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Scientific Investigations Report 2010–5229


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Estimates of Tracer-Based Piston-Flow Ages of Groundwater from Selected Sites: National Water-Quality Assessment Program, 1992–2005


Table 1. Summary of tracer-based piston-flow ages that were interpreted in this report.


[Abbreviations: CFCs, chlorofluorocarbons; SF6, sulfur hexafluoride; 3H/3He, tritium/helium-3; USGS, U.S. Geological Survey. Symbols: >, greater than (when used with a date means greater than or more recent than that date); <, less than (where used with a date means less than or older than that date); >, where used with a tracer-based piston-flow age means greater than or older than that age; <, where used with a tracer-based piston-flow age means less than or younger than that age; –, not determined]


Network USGS site identification No. Local site name Tracer sample date Tracer-based piston-flow recharge date Tracer-based piston-flow age (years) Environ- mental tracer
Apalachicola-Chattahoochee-Flint Basin (ACFB)
LUSAG1 305641084542001 CP 19 04-22-02 1991 11 CFCs
LUSAG1 310552084435601 CP 18 09-15-99 1981 18 CFCs
LUSAG1 310752085271301 CP 13 03-20-02 1974 28 CFCs
LUSAG1 310913084195301 CP 30 04-10-02 >1985 <17 CFCs
LUSAG1 311505085140101 CP 14 03-07-02 1987 15 CFCs
LUSAG1 312119084215601 CP 21 04-08-02 1984 18 CFCs
LUSAG1 312908084151901 CP 29 04-09-02 1991 11 CFCs
LUSAG1 313415084475201 CP 16 04-23-02 1965 37 CFCs
LUSAG1 314357084380001 CP 15 09-16-99 1998 1 CFCs
LUSAG1 314858084194901 CP 23 09-16-99 1970 29 CFCs
LUSAG1 320011084121501 CP 26 09-17-99 1994 5 CFCs
LUSCR1 315947084024001 LC 7A 09-29-99 1979 20 CFCs
LUSCR1 320001084032801 LC 8A 09-28-99 1993 6 CFCs
LUSCR1 320051084061401 LC 6 03-08-02 1961 41 CFCs
LUSCR1 320150083594801 LC 9C 09-07-99 1953 46 CFCs
LUSCR1 320206084084701 LC 1C 09-08-99 >1986 <13 CFCs
LUSCR1 320301084013401 LC 10E 09-28-99 1969 30 CFCs
LUSCR1 320414084052801 LC 5B 09-29-99 1989 10 CFCs
LUSCR1 320541084091501 LC 3A 09-08-99 1969 30 CFCs
LUSCR2 310727084485401 AC 38A 09-13-99 1976 23 CFCs
LUSCR2 311015084511901 AC 36B 09-13-99 1954 45 CFCs
LUSCR2 311141084513401 AC 35B 09-14-99 1984 15 CFCs
LUSCR2 311434084511701 AC 34A 09-14-99 1975 24 CFCs
LUSFO1/reference1 311327084484101 RF 41  09-14-99 1973 26 CFCs
LUSFO1/reference1 311714084275101 RF 44  09-15-99 1983 16 CFCs
LUSFO1/reference1 312737084553301 RF 42  09-30-99 >1991 <8 CFCs
Albemarle-Pamlico Drainage Basin (ALBE)
LUSAG1 345516077190001 LU-20 05-21-02 >1983 <19 CFCs
LUSAG1 353111077334402 GR-085 L6 04-22-03 >1987 <16 CFCs
LUSAG1 353221076105501 LU-S9C 05-22-02 >1971 <31 CFCs
LUSAG1 353547076473301 LU-10A 05-21-02 >1956 <46 CFCs
LUSAG1 361714076201301 LU-04A 05-23-02 >1969 <33 CFCs
LUSAG1 362646076361607 GA-067 05-23-02 >1990 <12 CFCs
Central Columbia Plateau - Yakima River Basin (CCYK)
LUSOR1b/AG2b 462141119130501 PN84 07-24-02 1989 13 SF6
LUSOR1b/AG2b 462727119115801 ON63 07-25-02 1993 9 SF6
LUSOR1b/AG2b 462826119145301 ON58 07-23-02 1982 20 SF6
LUSOR1b/AG2b 463745119164601 PN17 07-23-02 1990 12 SF6
LUSOR1b/AG2b 463843119095201 ON59 07-23-02 1986 16 SF6
LUSOR1b/AG2b 464819119091001 PN89 07-23-02 1981 21 SF6
LUSOR1b/AG2b 465328119195901 ON04 07-17-02 1980 22 SF6
LUSOR1b/AG2b 465531119315501 ON54 07-16-02 <1970 >32 SF6
LUSOR1b/AG2b 470850119323501 PN57 07-15-02 1986 16 SF6
LUSOR1b/AG2b 471013119433401 PN49 07-16-02 1988 14 SF6
Central Nebraska Basins (CNBR)
LUSCR1 413340096402701 DO-24 05-15-03 >1945 <58 CFCs
LUSCR1 413853096483801 DO-22 06-04-03 >1945 <58 CFCs
LUSCR1 414343096595801 CO-13 06-04-03 >1977 <26 CFCs
LUSCR1 414401096531301 DO-21 06-02-03 1983 20 CFCs
LUSCR1 414527097094101 S-11 06-03-03 1981 22 CFCs
LUSCR1 414931096321101 B-27 06-05-03 1986 17 CFCs
LUSCR1 415220096214801 B-28 04-28-03 1990 13 CFCs
LUSCR1 420024096485901 CU19 05-28-03 >1969 <34 CFCs
LUSCR1 420425097101301 S-10 05-07-03 1989 14 CFCs
LUSCR1 420526096543901 W-14 05-01-03 >1970 <33 CFCs
LUSCR1 420922096514401 W-18 05-05-03 1984 19 CFCs
LUSCR1 421303097011601 W-15 05-07-03 1977 26 CFCs
LUSCR1 421357097243201 P-02 05-27-03 1976 27 CFCs
LUSCR1 421829097112401 W-08 05-08-03 1989 14 CFCs
LUSCR1 422011096595401 DI-16 05-05-03 1981 22 CFCs
LUSCR1 422031097043501 W-07 05-06-03 1987 16 CFCs
LUSCR1 422156097314301 P-03 05-21-03 1991 12 CFCs
LUSCR1 422441097404601 P-04 05-20-03 1988 15 CFCs
LUSCR1 422756097334901 K-05 05-20-03 1983 20 CFCs
LUSCR1 422802097031601 CE-17 05-19-03 >1976 <27 CFCs
LUSCR1 422947097142701 CE-06 05-20-03 >1990 <13 CFCs
REFPA1 415458097142201 S-R2 06-03-03 1986 17 CFCs
Connecticut, Housatonic and Thames River Basins (CONN)
Other 413046073122601 CT- WY 67 04-17-03 − − SF6
Other 413121073122701 CT-WY 23 12-30-03 1997 6 3H/3He
Other 413615073102101 CT- WY 68 04-16-03 − − SF6
LUSRC1 413150072551901 CT- CS 244 07-23-03 − − SF6
LUSRC1 413925072544401 CT-BS-277 09-14-05 2000 5 3H/3He
LUSRC1 414555072333601 CT- M 193 08-08-03 − − SF6
Connecticut, Housatonic and Thames River Basins (CONN)—Continued
LUSRC1 414825072350901 CT-SW-136 09-21-05 >1953 <52 3H/3He
LUSRC1 414826072290901 CT-M-192 09-20-05 >1953 <52 3H/3He
LUSRC1 415336072414801 CT-W-218 09-15-05 1972 33 3H/3He
LUSRC1 415446072364501 CT- EW 141 08-04-03 − − SF6
LUSRC1 415535072475701 CT- GR 345 08-20-03 − − SF6
LUSRC1 420322072391801 MA-AFW 31 08-05-03 − − SF6
LUSRC1 420757072390101 MA-XCW 144 08-12-03 1994 9 SF6
LUSRC1 421031072311601 MA-CMW-97 10-18-05 2003 2 3H/3He 2
LUSRC1 421031072311601 MA-CMW 97 08-06-03 1996 7 SF63
SUS2 412746073142401 CT-SB-120 11-06-02 >1945 <57 CFCs
SUS2 413225073130401 CT-WY-65 06-06-02 >1945 <57 CFCs
SUS2 413710072553001 CT-S-400 07-29-02 >1945 <57 CFCs
SUS2 414144072505101 CT-F-344 05-30-02 >1958 <44 CFCs
SUS2 415547071563501 CT-WK-232 09-18-02 >1945 <57 CFCs
SUS2 431640072415801 VT-AN-01 08-19-02 1974 28 CFCs
SUS2 434402072152701 NH-HHW-269 09-09-02 >1961 <41 CFCs
SUS2 435633072332001 VT-RA-1 08-21-02 >1991 <11 CFCs
SUS2 440417072002501 NH-HKW-113 09-10-02 >1956 <46 CFCs
Delaware River Basin (DELR)
SUS1 400808075210401 MG 225 07-28-99 1971 28 3H/3He
SUS1 400821075164001 MG1724 08-17-99 1988 11 3H/3He
SUS1 400954075354501 CH1567 07-15-99 1972 27 3H/3He
SUS1 401154075055001 BK2955 08-18-99 1974 25 3H/3He
SUS1 401245075300901 MG1712 06-09-99 1973 26 3H/3He
SUS1 401405075275101 MG1714 06-22-99 1976 23 3H/3He
SUS1 401416075445601 BE1698 06-29-99 1975 24 3H/3He
SUS1 401620075055001 BK2823 10-05-99 1999 0 3H/3He
SUS1 401658074505001 210556 06-08-99 1996 3 3H/3He
SUS1 401734074470301 210284 10-12-99 1991 8 3H/3He
SUS1 402027075072901 BK2956 09-08-99 1989 10 3H/3He
SUS1 402119075173701 BK2958 09-30-99 1980 19 3H/3He
SUS1 402337075290001 MG1715 06-30-99 1976 23 3H/3He
SUS1 402341074543601 190074 06-03-99 >1953 <46 3H/3He
SUS1 402555075114701 BK2954 06-15-99 1992 7 3H/3He
SUS1 403003075000001 190083 08-19-99 1980 19 3H/3He
SUS1 403140075052901 BK2048 07-01-99 >1953 <46 3H/3He
SUS1 403237075185301 BK1411 06-16-99 1999 0 3H/3He
Eastern Iowa Basins (EIWA)
LUSCR1 405405091335001 Moun 08-02-99 >1945 <54 CFCs
LUSCR1 405601091551901 Fair 07-23-99 >1945 <54 CFCs
LUSCR1 411511091155101 Colu 07-20-99 >1945 <54 CFCs
LUSCR1 411843092105101 Sego 07-08-99 1995 4 CFCs
LUSCR1 412755091114101 Musc 07-20-99 >1960 <39 CFCs
LUSCR1 412927092575201 Pell 07-19-99 1989 10 CFCs
LUSCR1 413248092011301 Nort 07-07-99 1990 9 CFCs
LUSCR1 413540091341201 Hill 07-07-99 1993 6 CFCs
LUSCR1 414208092312601 Malc 07-08-99 1996 3 CFCs
LUSCR1 414912093284201 Lori 07-13-99 >1975 <24 CFCs
LUSCR1 414958090230301 Malo 08-04-99 >1990 <9 CFCs
LUSCR1 415527092190301 Bell 07-12-99 >1983 <16 CFCs
LUSCR1 420117092505601 Legr 07-13-99 >1945 <54 CFCs
LUSCR1 421115091250501 Prai 08-03-99 1996 3 CFCs
LUSCR1 421705092142501 Lapo 07-16-99 >1945 <54 CFCs
LUSCR1 422518092144701 Gilb 07-15-99 >1945 <54 CFCs
LUSCR1 422629092345001 Zane 07-26-99 >1945 <54 CFCs
LUSCR1 423557091560501 Haze 07-14-99 >1953 <46 CFCs
LUSCR1 423639092350901 Newh 07-14-99 >1945 <54 CFCs
LUSCR1 424203092551301 Dumo 07-29-99 >1945 <54 CFCs
LUSCR1 425401093135201 Shef 07-29-99 1997 2 CFCs
LUSCR1 425756092162401 Fred 07-15-99 1993 6 CFCs
LUSCR1 430159093403201 Dune 07-28-99 >1971 <28 CFCs
LUSCR1 430525093023501 Maso 07-29-99 >1995 <4 CFCs
LUSCR1 431222093313301 Mill 07-28-99 >1945 <54 CFCs
LUSCR1 431339093155901 Clea 07-29-99 >1945 <54 CFCs
LUSCR1 432946093161901 Fert 07-27-99 1991 8 CFCs
LUSCR1 433815093000001 Aust 07-27-99 1972 27 CFCs
LUSCR1 435221093001901 Bloo 07-27-99 >1945 <54 CFCs
Other 414752092053201 081N11W26ACC 1984USGS OBS WELL IRA 5A 08-19-98 >1980 <18 CFCs
Other 414752092053202 081N11W26ACC 1985USGS OBS WELL IRA 5B 08-19-98 >1989 <9 CFCs
Other 414752092053203 081N11W26ACC 1985USGS OBS WELL IRA 5C 08-19-98 >1985 <13 CFCs
Other 414816092053401 081N11W23DCC 1984USGS OBS WELL IRA 4A 08-03-98 >1953 <45 CFCs
Other 414816092053402 081N11W23DCC 1985USGS OBS WELL IRA 4B 08-03-98 >1985 <13 CFCs
Other 414816092053403 081N11W23DCC 1985USGS OBS WELL IRA 4C 08-03-98 >1990 <8 CFCs
Eastern Iowa Basins (EIWA)—Continued
Other 414818092055401 081N11W14CCA 1985USGS OBS WELL IRA 26A 08-20-98 >1969 <29 CFCs
Other 414818092055402 081N11W14CCA 1985USGS OBS. WELL IRA 26B 08-20-98 >1977 <21 CFCs
Other 414900092073801 081N11W21ABD 96USGS OBS. WELL IRC 1 08-13-98 >1966 <32 CFCs
Other 414907092083001 081N11W20AAA 1984USGS OBS. WELL IRA 3A 08-10-98 >1962 <36 CFCs
Other 414907092083003 081N11W20AAA 1985USGS OBS. WELL IRA 3C 08-10-98 >1964 <34 CFCs
Other 414907092083004 081N11W20AAAA 1985USGS OBS. WELL IRA 3D 08-06-98 >1980 <18 CFCs
Other 414930092093801 081N11W17CBB 1984USGS OBS. WELL IRA 6 08-13-98 >1964 <34 CFCs
Other 415020092094001 081N11W07DAA 1985USGS OBS. WELL IRA 21A 08-04-98 1985 13 CFCs
Other 415020092094002 081N11W07DAA 1985USGS OBS. WELL IRA 21B 08-05-98 >1979 <19 CFCs
Other 415020092094003 081N11W07DAA 1985USGS OBS. WELL IRA 21C 08-05-98 >1979 <19 CFCs
Other 415020092094004 081N11W07DAA 1985USGS OBS. WELL IRA 21D 08-04-98 >1984 <14 CFCs
Other 415020092094005 0811107WDAAD 1986USGS OBS. WELL IRA 21E 08-04-98 >1993 <5 CFCs
Other 415020092094010 081N11W07DAA 1987USGS OBS. WELL IRA 21F 08-05-98 >1977 <21 CFCs
Other 415039092164001 081N12W05CCC 1984USGS OBS. WELL IRA 17 08-17-98 1986 12 CFCs
Other 415045092145601 081N12W09ABC 1984USGS OBS. WELL IRA 19 08-21-98 1988 10 CFCs
Other 415052092120301 081N12W11AAD 96USGS OBS. WELL IRC 2 08-11-98 >1951 <47 CFCs
Other 415105092132501 081N12W03DDB 96USGS OBS. WELL IRC 3 08-11-98 >1952 <46 CFCs
Other 415105092135201 081N12W03CDA 96USGS OBS. WELL IRC 4 08-18-98 >1975 <23 CFCs
Other 415211092164101 082N12W31DAD 1984USGS OBS. WELL IRA 16A 08-17-98 >1981 <17 CFCs
Other 415211092164102 082N12W31DAD 1984USGS OBS. WELL IRA 16B 08-17-98 >1945 <53 CFCs
Other/REFCR1 414818092055403 081N11W14CCA 1985USGS OBS. WELL IRA 26C 08-20-98 >1972 <26 CFCs
Georgia-Florida Coastal Plain (GAFL)
LUSCR1 312021083350101 GAFL 11-1 09-20-99 1973 26 CFCs
LUSCR1 312703083263601 GAFL 12-3 09-24-99 1978 21 CFCs
LUSCR1 313822083311901 GAFL 20-1 09-22-99 1985 14 CFCs
LUSCR1 314421083281601 GAFL 18-1 09-21-99 1987 12 CFCs
LUSCR1 314847083360301 GAFL 15-1 09-22-99 1976 23 CFCs
LUSCR1 315059083350901 GAFL 16-1 09-22-99 1994 5 CFCs
LUSCR1 315747083312901 GAFL 17-2 09-23-99 1980 19 CFCs
Lake Erie-Lake Saint Clair Basins (LERI)
LUSRC1 422751083405200 URB093-1/422751083 urb-093-13 11-19-96 >1953 <43 3H/3He
LUSRC1 422806083493700 URB093/422806083 urb-093-10 11-19-96 1978 18 3H/3He
LUSRC1 423020083390100 URB125/423020083 urb-125-8 11-21-96 1992 4 3H/3He
LUSRC1 424010083360200 URB125-2/424010083 urb-125-26 11-26-96 1992 4 3H/3He
LUSRC1 424614083175300 URB125-1/424614083 urb-125-16 12-11-96 1964 32 3H/3He
Lower Illinois River Basin (LIRB)
LUSRC1 383214089571501 SIL-25 08-03-05 − − SF6
LUSRC1 383321089594601 SIL-23 08-03-05 − − SF6
LUSRC1 383445089535701 SIL-27 08-01-05 2001 4 SF6
LUSRC1 383453089545001 SIL-27A 08-04-05 − − SF6
LUSRC1 383847090003501 SIL-22 07-12-05 1974 31 SF6
LUSRC1 384058090010601 SIL-22A 07-12-05 − − SF6
LUSRC1 384323090405801 SMO-12 08-09-05 1982 23 SF6
LUSRC1 384411090354601 SMO-14 07-27-05 − − SF6
LUSRC1 384515089591801 SIL-28 08-08-05 1993 12 SF6
LUSRC1 384546089575801 SIL-21 08-02-05 − − SF6
LUSRC1 384613089572001 SIL-30 08-02-05 − − SF6
LUSRC1 384619090382701 SMO-08 07-26-05 1980 25 SF6
LUSRC1 384646090375501 SMO-9A 07-26-05 − − SF6
LUSRC1 384656089582001 SIL-20 07-13-05 1980 25 SF6
LUSRC1 384659090003701 SIL-20A 07-14-05 1984 21 SF6
LUSRC1 384714089585301 SIL-20B 07-13-05 − − SF6
LUSRC1 384734090384801 SMO-06A 07-28-05 1991 14 SF6
LUSRC1 384955089473001 MRN-1 09-07-05 − − SF6
LUSRC1 385446090015901 SIL-19A 07-11-05 − − SF6
LUSRC1 385735089513901 WDN-1 09-07-05 − − SF6
New England Coastal Basins (NECB)
LUSRC1 414541071143501 Swansea 08-30-99 >1945 <54 CFCs
LUSRC1 414913071052701 Berkley 08-31-99 1992 7 CFCs
LUSRC1 415317070434701 Carver 08-11-99 >1968 <31 CFCs
LUSRC1 415423070442901 Carver 08-11-99 1988 11 CFCs
LUSRC1 415541070443001 Plymouth 08-04-99 >1945 <54 CFCs
LUSRC1 415600071022501 Raynham 07-28-99 >1993 <6 CFCs
LUSRC1 420013071161501 T-77 07-22-99 >1945 <54 CFCs
LUSRC1 420044070430301 Duxbury 09-01-99 1994 5 CFCs
LUSRC1 420134070432301 Duxbury 08-31-99 1991 8 CFCs
LUSRC1 420144070541501 Bridgewater 08-03-99 >1945 <54 CFCs
LUSRC1 420239070472201 Pembroke 07-29-99 1993 6 CFCs
LUSRC1 420241071072601 Easton 08-19-99 >1977 <22 CFCs
LUSRC1 420249071035801 Bridgewater 09-02-99 >1945 <54 CFCs
LUSRC1 420607070515501 Hanover 08-25-99 >1945 <54 CFCs
LUSRC1 420634070444201 Marshfield 08-23-99 1990 9 CFCs
LUSRC1 420644071260701 Franklin 07-21-99 >1945 <54 CFCs
LUSRC1 420910070530901 Hanover 08-24-99 >1945 <54 CFCs
LUSRC1 420937070513001 Norwell 08-24-99 >1945 <54 CFCs
LUSRC1 421655071360301 Westboro 07-20-99 >1945 <54 CFCs
New England Coastal Basins (NECB)—Continued
LUSRC1 421744071115201 Newton 07-23-99 >1945 <54 CFCs
LUSRC1 422651071242601 Concord 08-05-99 >1945 <54 CFCs
LUSRC1 423138071141501 Billercia 07-13-99 >1945 <54 CFCs
LUSRC1 423325071300301 Littleton 08-17-99 1986 13 CFCs
LUSRC1 423501071133101 Tewksbury 08-18-99 1990 9 CFCs
LUSRC1 423527071120601 Tewksbury 08-18-99 >1984 <15 CFCs
LUSRC1 423916070562401 Topsfield 08-10-99 1992 7 CFCs
LUSRC1 424012070581101 Boxford 07-14-99 1988 11 CFCs
LUSRC1 424228071290201 Nashua 07-27-99 1993 6 CFCs
LUSRC1 424730071313401 Nashua 08-09-99 >1945 <54 CFCs
SUS1/SUS2 413024071334101 C11.1 South Kingston 413024071334101 10-31-00 >1987 <13 CFCs
SUS1/SUS2 414046071051001 C12.5 West Port 414046071051001 10-30-00 >1945 <55 CFCs
SUS1/SUS2 415012070461101 C22.1 Carver 415012070461101 10-12-00 >1966 <34 CFCs
SUS1/SUS2 423609070490901 C21.1 Hamilton 423609070490901 10-11-00 >1959 <41 CFCs
SUS1/SUS2 424528071321101 C1.2 Hollis 424528071321101 06-05-00 >1945 <55 CFCs
SUS1/SUS2 424548071403201 C2.1 Brookline 424548071403201 06-22-00 1980 20 CFCs
SUS1/SUS2 424843071112201 C2.1 Salem 424843071112201 06-06-00 >1945 <55 CFCs
SUS1/SUS2 424905071260101 C3.2 Litchfield 424905071260101 06-19-00 >1945 <55 CFCs
SUS1/SUS2 425532070565501 C4.1 Kensington 425532070565501 06-07-00 >1984 <16 CFCs
SUS1/SUS2 425948072024801 C3.3 Hancock 425948072024801 08-14-00 >1945 <55 CFCs
SUS1/SUS2 430140071193801 C13.3 Auburn 430140071193801 08-09-00 >1986 <14 CFCs
SUS1/SUS2 430616071020801 C5.1 Lee 430616071020801 06-08-00 >1945 <55 CFCs
SUS1/SUS2 431300071342701 C9.3 Concord 431300071342701 09-11-00 >1945 <55 CFCs
SUS1/SUS2 431341070441901 C23.4 Berwick 431341070441901 10-03-00 >1972 <28 CFCs
SUS1/SUS2 431350071421001 C4.1 Contoocook 431350071421001 08-21-00 >1983 <17 CFCs
SUS1/SUS2 432143070304101 12.2 Kennebunk ME 432143070304101 06-21-00 1988 12 CFCs
SUS1/SUS2 432203070283201 Kennebunkport 10-14-99 >1945 <54 CFCs
SUS1/SUS2 432406070371301 C9.3 Kennebunk 432406070371301 06-14-00 >1945 <55 CFCs
SUS1/SUS2 432430070305501 Arundel 10-14-99 >1973 <26 CFCs
SUS1/SUS2 432735071273401 C8.1 Belmont 432735071273401 09-11-00 >1945 <55 CFCs
SUS1/SUS2 433325071420301 C5.2 New Hampton 433325071420301 08-15-00 >1945 <55 CFCs
SUS1/SUS2 433605070415401 C8.2 East Waterboro 433605070415401 06-15-00 >1945 <55 CFCs
SUS1/SUS2 433650071101101 C14.4 Wolfboro 433650071101101 08-28-00 >1945 <55 CFCs
SUS1/SUS2 434335071361101 C7.3 Holderness 434335071361101 08-10-00 >1987 <13 CFCs
SUS1/SUS2 434532070555701 Parsonfield 10-12-99 1990 9 CFCs
SUS1/SUS2 434641070383301 Standish 10-12-99 >1967 <32 CFCs
SUS1/SUS2 434700071212701 C15.2 Sandwich 434700071212701 09-25-00 1978 22 CFCs
SUS1/SUS2 435014070232001 C14.1 Windham 4350140702301 07-12-00 >1945 <55 CFCs
SUS1/SUS2 435342070301601 C24.5 Raymond ME 435342070301601 10-16-00 1988 12 CFCs
SUS1/SUS2 435534071530501 C6.1 Warren 435534071530501 08-16-00 >1988 <12 CFCs
SUS1/SUS2 435720070125201 C25.1 New Gloucester 4357070125201 09-14-00 >1945 <55 CFCs
New England Coastal Basins (NECB)—Continued
SUS1/SUS2 435726070023901 C17.1 Brunswick 435726070023901 07-19-00 >1985 <15 CFCs
SUS1/SUS2 435858070475901 C20.1 Denmark 435858070475901 10-19-00 >1948 <52 CFCs
SUS1/SUS2 440213070080901 C13.4 Lisbon 440213070080901 07-18-00 >1945 <55 CFCs
SUS1/SUS2 440257070282201 C26.5 West Poland ME 440257070282201 08-30-00 >1982 <18 CFCs
SUS1/SUS2 440852071221401 C16.1b Harts location 440852071221401 08-24-00 1993 7 CFCs
SUS1/SUS2 441312070172501 15.3 Turner ME 10-13-99 >1970 <29 CFCs
SUS1/SUS2 441721069584001 C22.3 Winthrop 441721069584001 07-20-00 >1945 <55 CFCs
SUS1/SUS2 442059070502101 C18.2 Albany TWP 442059070502101 08-23-00 >1987 <13 CFCs
SUS1/SUS2 442245069584901 21.3 Readfield 442245069584901 06-29-00 >1945 <55 CFCs
SUS1/SUS2 442407069501801 27.4 Belgrade ME 442407069501801 10-17-00 >1946 <54 CFCs
SUS1/SUS2 442605070122401 Livermore 10-13-99 >1971 <28 CFCs
SUS1/SUS2 442857069282801 South China 10-19-99 >1981 <18 CFCs
SUS1/SUS2 442913070511801 C17.5 Newry 44291307051801 08-22-00 >1975 <25 CFCs
SUS1/SUS2 443626069414301 Fairfield 10-15-99 >1945 <54 CFCs
SUS1/SUS2 443657069303701 C24.4 Benton 443657069303701 06-28-00 >1984 <16 CFCs
SUS1/SUS2 443852070401901 28.5 Ellis pond ME 443852070401901 10-18-00 >1945 <55 CFCs
SUS1/SUS2 444137069121701 26.1 Troy ME 444137069121701 06-20-00 1994 6 CFCs
SUS1/SUS2 444400069111801 C27.5 Plymouth ME 444400069111801 07-06-00 >1945 <55 CFCs
SUS1/SUS2 444525069391101 C25.4 Skowhegan 444525069391101 08-31-00 >1945 <55 CFCs
SUS1/SUS2 444702069490301 C19.2 Madison 444702069490301 07-17-00 >1945 <55 CFCs
SUS1/SUS2 445149069460001 C18.3 Madison 445149069460001 07-13-00 >1945 <55 CFCs
SUS1/SUS2 445249069120901 Newport 10-20-99 >1945 <54 CFCs
SUS1/SUS2 445601069182001 C29.2 Corinna 4456010691801 10-04-00 >1966 <34 CFCs
SUS1/SUS2 445700069183901 Corinna 10-22-99 >1945 <54 CFCs
SUS1/SUS2 445958069301101 C29.4 Harmony 445958069301101 06-27-00 1967 33 CFCs
SUS1/SUS2 450223069162401 Dexter 10-21-99 >1973 <26 CFCs
SUS3 414604070381402 C23.1 Onset MA 07-25-01 1991 10 CFCs
SUS3 415704071380601 C02.1 Mapleville RI 10-03-01 1988 13 CFCs
SUS3 420434071225001 C10.2 Franklin MA 07-18-01 >1945 <56 CFCs
SUS3 422029071223701 C09.1 Wayland MA 07-16-01 >1945 <56 CFCs
SUS3 422754071093101 C14.3 Woburn MA 07-17-01 >1945 <56 CFCs
SUS3 423247071031301 C20.1 Lynnfield 08-06-01 >1987 <14 CFCs
SUS3 423548071074901 C15.8 N Reading MA 07-17-01 >1945 <56 CFCs
SUS3 432708070465901 C27.2 Sanford ME 07-31-01 >1945 <56 CFCs
SUS3 441137070312501 C29.2 Norway ME 09-26-01 >1945 <56 CFCs
SUS3 443021071092501 C17.6 Berlin NH 08-14-01 >1945 <56 CFCs
SUS3 450232069525101 C30.1 Bingham ME 09-25-01 1987 14 CFCs
Northern Rockies Intermontane Basins (NROK)
SUS2 464951114023701 29 #1 06-19-01 2000 1 SF6
SUS2 465127114055401 16 #1 06-20-01 1985 16 SF6
SUS2 465323114054301 18 #1 06-20-01 − − SF6
SUS2 465440114022101 30 #1 06-19-01 1997 4 SF6
SUS2 465741114110601 6 #1 06-27-01 1999 2 SF6
SUS2 465838114074501 17 #1 06-27-01 2001 0 SF6
SUS2 470328114164301 3 #1 06-28-01 1997 4 SF6
Nevada Basin and Range (NVBR)
LUSRC1 390834119450701 seeliger 06-11-02 >1945 <57 CFCs
LUSRC1 390943119474801 kings well 06-26-02 >1945 <57 CFCs
LUSRC1 391110119460601 OFFICE DEEP 05-13-02 1967 35 CFCs
LUSRC1 391110119460602 OFFICE SHALLOW 05-13-02 >1945 <57 CFCs
LUSRC1 391111119481901 VC-8 07-07-03 >1945 <58 CFCs
LUSRC1 392837119485901 LAKERIDGE GOLF 06-03-02 >1945 <57 CFCs
LUSRC1 392918119464901 neil rd park 06-27-02 >1945 <57 CFCs
LUSRC1 392937119452601 WASHOE CO 06-12-02 >1977 <25 CFCs
LUSRC1 392944119440301 rosewood lakes 06-06-02 >1962 <40 CFCs
LUSUR2 391030119480701 Ash Canyon 05-28-02 1978 24 CFCs
SUS2 390943119474802 kings 1 10-15-03 >1971 <32 CFCs
SUS2 391231119442901 Goni 2 deep 10-15-03 1970 33 CFCs
SUS2 392231119501901 STMGID WELL 7 11-30-03 1971 32 CFCs
SUS2 392414119474701 STMGID WELL 5 11-13-03 1957 46 CFCs
SUS2 392506119462201 STMGID WELL 1 10-29-03 1953 50 CFCs
Potomac River Basin and Delmarva Peninsula (PODL)
LUSAG1 380231079091101 37N 5 06-12-02 1997 5 SF6
LUSAG1 382014079052701 38Q 2 07-18-00 − − SF6
LUSAG1 382556078565401 39R 8 06-06-02 1985 17 SF6
LUSAG1 382859078544401 39R 7 06-10-02 1975 27 SF6
LUSAG1 383645078452101 40S 2 07-19-00 − − SF6
LUSAG1 384037078281201 43T 3 06-04-02 1991 11 SF6
LUSAG1 384556078385101 41U 1 07-19-00 1978 22 SF6
LUSAG1 390700078151801 44W 20 06-11-02 1996 6 SF6
LUSAG1 393319077560801 GV-18 05-23-02 − − SF6
LUSAG1 393815077353001 WA BJ 51 07-20-00 1995 5 SF6
LUSAG1 394416077393401 FR 537 07-20-00 1994 6 SF6
LUSAG1 394828077545701 FR 809 05-22-02 1995 7 SF6
LUSRC1 382805077255801 51R 7 07-15-03 1994 9 SF6
LUSRC1 383710077222301 51S 15 07-16-03 1989 14 SF6
LUSRC1 383934077222601 52T 72 07-28-03 1994 9 SF6
LUSRC1 385305077162101 52V 24 07-23-03 − − SF6
LUSRC1 390812077051001 MO DF 61 06-30-03 − − SF6
Potomac River Basin and Delmarva Peninsula (PODL)—Continued
LUSRC1 391004077132601 MO CE 26 06-19-03 − − SF6
LUSRC1 391102077101901 MO CE 24 06-18-03 1630 − − SF6
REFFO1 393108077561101 BER-0687 06-04-02 2000 2 SF6
REFFO2 383514077242601 51S 13 07-15-03 1615 1980 23 SF6
Puget Sound Basin (PUGT)
LUSCR1 485303122190901 AG-03 08-11-06 1989 17 SF6
LUSCR1 485608122320501 WC-15 08-30-06 1998 8 SF6
LUSCR1 485708122311301 AG-01-B, now AG16 08-25-06 1995 11 SF6
LUSCR1 485749122250301 AG-15 08-29-06 2000 6 SF6
LUSCR1 485751122241601 AG-04 08-17-06 1999 7 SF6
LUSCR1 485755122253901 AG-05 08-16-06 >1986 <20 SF6
LUSCR1 485817122244701 AG-13 08-30-06 1997 9 SF6
LUSCR1 485917122241901 AG-06 08-24-06 1995 11 SF6
LUSCR1 490009122233101 ABB5 08-15-06 1993 13 SF6
LUSCR1 490009122242002 AG-07 08-01-07 1996 11 SF6
LUSCR1 490009122265001 AG-09 08-28-06 2003 3 SF6
LUSCR1 490010122223101 AG-08 08-08-06 1994 12 SF6
LUSCR1 490011122193201 ABB4 08-08-06 1994 12 SF6
LUSCR1 490012122240001 FT7-22 08-14-06 >1979 <27 SF6
LUSCR1 490020122213201 ABB2 08-09-06 1999 7 SF6
LUSCR1 490023122253002 91-15 08-24-06 1993 13 SF6
LUSCR1 490031122221501 BC-C-25 08-09-06 1997 9 SF6
LUSCR1 490031122225301 BC-B-20 08-22-06 1999 7 SF6
LUSCR1 490042122241001 ABB1 08-23-06 1993 13 SF6
LUSCR1 490101122221501 BC-A-25 08-22-06 2000 6 SF6
LUSCR1 490103122240301 AG-12 08-29-06 1996 10 SF6
LUSCR1 490125122201601 Airport, now 91-10 08-16-06 2003 3 SF6
REFCR1 485751122304601 AG-REF 08-10-06 1994 12 SF6
Rio Grande Valley (RIOG)
LUSCR1 370936106010501 SLV 13-1 07-31-00 1982 18 CFCs
LUSCR1 371914106042901 SLV 12-1 08-09-00 1984 16 CFCs
LUSCR1 372233105351101 SLV 35-1 07-28-00 >1970 <30 CFCs
LUSCR1 372311106032501 SLV 14-1 07-21-00 >1945 <55 CFCs
LUSCR1 372401105563001 SLV 24-4 07-21-00 >1969 <31 CFCs
LUSCR1 372732106050401 SLV 11-3 08-09-00 >1974 <26 CFCs
LUSCR1 372849106090201 SLV 01-3 08-01-00 1981 19 CFCs
LUSCR1 373242106004501 SLV 23-1 07-20-00 >1958 <42 CFCs
LUSCR1 373323106025001 SLV 15-1 07-20-00 1989 11 CFCs
LUSCR1 373527105554201 SLV 25-1 08-04-00 1983 17 CFCs
LUSCR1 373611106014501 SLV 22-2 07-19-00 1987 13 CFCs
Rio Grande Valley (RIOG)—Continued
LUSCR1 373732105525601 SLV 34-1 07-18-00 >1972 <28 CFCs
LUSCR1 373754105575201 SLV 26-1 07-18-00 1985 15 CFCs
LUSCR1 373849106074301 SLV 10-1 08-01-00 1987 13 CFCs
LUSCR1 373916106021701 SLV 21-3 07-19-00 >1945 <55 CFCs
LUSCR1 374033105582801 SLV 27-1 07-19-00 1986 14 CFCs
LUSCR1 374101106035601 SLV 16-1 08-02-00 1986 14 CFCs
LUSCR1 374153106153201 SLV 03-1 08-07-00 1991 9 CFCs
LUSCR1 374217106082501 SLV 09-5 08-02-00 1987 13 CFCs
LUSCR1 374223105511401 SLV 33-1 07-24-00 >1971 <29 CFCs
LUSCR1 374225105533101 SLV 32-1 08-08-00 1983 17 CFCs
LUSCR1 374310106032401 SLV 20-1 08-08-00 1990 10 CFCs
LUSCR1 374359106085501 SLV 08-1 08-10-00 1990 10 CFCs
LUSCR1 374423106042801 SLV 17-1 07-25-00 1984 16 CFCs
LUSCR1 374431106000701 SLV 28-1 07-25-00 >1973 <27 CFCs
LUSCR1 374515106192101 SLV 05-1 07-27-00 1984 16 CFCs
LUSCR1 374614106000701 SLV 29-3 07-25-00 1986 14 CFCs
LUSCR1 374734105533001 SLV 31-1 08-08-00 >1968 <32 CFCs
LUSCR1 374757106085301 SLV 07-1 07-26-00 1985 15 CFCs
LUSCR1 374825106021301 SLV 19-1 07-26-00 1982 18 CFCs
LUSCR1 375037106123401 SLV 06-1 07-27-00 1989 11 CFCs
LUSCR1 375054106013401 SLV 30-1 08-03-00 1988 12 CFCs
LUSCR1 375154106021101 SLV 18-2 08-03-00 >1947 <53 CFCs
Sacramento River Basin (SACR)
LUSRC1 382450121253601 982390009/7N5E33J1/LICHTENBERGER 07-16-98 <1953 >45 3H/3He
LUSRC1 382515121262501 982390008/7N5E33D1/PEDERSEN 07-14-98 1987 11 3H/3He
LUSRC1 382517121252601 9823900010/7N5E34D1/LAGUNA PARK 07-15-98 <1953 >45 3H/3He
LUSRC1 382537121260001 982390007/7N5E28Q1/CASE 07-13-98 >1953 <45 3H/3He
LUSRC1 382629121254801 982390006/7N5E21R1/N. LAGUNA CR. 07-20-98 1996 2 3H/3He
LUSRC1 382757121261101 982390004/7N5E16C1/HITE 07-21-98 >1953 <45 3H/3He
LUSRC1 382800121270701 982390005/7N5E17B1/MESA GRANDE 07-22-98 >1953 <45 3H/3He
LUSRC1 382906121322201 982390001/7N3E4J1 CHARTER POINTE 06-18-98 >1953 <45 3H/3He
LUSRC1 382911121312301 982390003/7N4E3K1/PARKWAY OAKS 06-22-98 >1953 <45 3H/3He
LUSRC1 382941121320501 9823900011/8N3E3D1/SOJOURNER 06-17-98 1953 45 3H/3He
LUSRC1 383000121313601 9823900012/8N4E34K1/SEYMOUR 06-16-98 1987 11 3H/3He
LUSRC1 383655121301601 9823900015/9N4E23R1/BANNON 08-03-98 >1953 <45 3H/3He
LUSRC1 383659121292201 9823900016/9N4E24Q1/NORTHGATE 08-05-98 1991 7 3H/3He
LUSRC1 383727121301801 9823900014/9N4E23A1/JEFFERSON 08-06-98 1965 33 3H/3He
LUSRC1 383746121291101 9823900013/9N4E13R1/CHUCKWAGON 08-04-98 1960 38 3H/3He
LUSRC1 384145121184101 9823900018/10N6E27F1/TWIN CREEKS 08-17-98 <1953 >45 3H/3He
LUSRC1 384234121215601 982390002/10N6E19F/BLUE OAK 08-20-98 <1953 >45 3H/3He
LUSRC1 384303121211701 9823900017/10N6E18R1/ANTELOPE 08-18-98 <1953 >45 3H/3He
LUSRC1 384318121230001 9823900019/10N5E13F1/LONE OAK 08-19-98 <1953 >45 3H/3He
San Joaquin-Tulare Basins (SANJ)
LUSOR1 363418119384201 O'Brian Domestic 16S/21E-01E01 08-13-96 >1945 <51 CFCs
LUSOR1 363418119384202 O'Brian Deep 16S/21E-01E02 08-13-96 >1945 <51 CFCs
LUSOR1 363418119384203 O'Brian 16S/21E-01E03 08-13-96 1992 4 CFCs
LUSOR1 363805119345001 Peters New Domestic 15S/22-E09QXX 08-14-96 1987 9 CFCs
LUSOR1 363808119344901 Peters Deep 15S/22E-09Q02 08-14-96 1984 12 CFCs
LUSOR1 363808119344902 Peters Shallow Monitoring 15S/22-E09Q03 08-14-96 >1945 <51 CFCs
LUSOR1 363922119402002 Feaver E1-2 15S/21E-03L02 08-12-96 >1945 <51 CFCs
LUSOR1 363922119402003 Feaver E1-3 15S/21E-03L03 08-12-96 >1945 <51 CFCs
LUSOR1 363928119401701 O'Fraley 15S/21E-03G01 08-14-96 1985 11 CFCs
Santee River Basin (SANT)
LUSCR1 323759080283701 COL- 359 11-25-97 >1945 <52 CFCs
LUSCR1 324349081092801 HAM- 223 09-23-97 1966 31 CFCs
LUSCR1 324412080485501 COL- 357 09-16-97 >1987 <10 CFCs
LUSCR1 324507081061901 HAM- 224 09-23-97 >1945 <52 CFCs
LUSCR1 324754080573801 HAM- 220 12-05-97 1982 15 CFCs
LUSCR1 325129080453601 COL- 358 09-22-97 1956 41 CFCs
LUSCR1 325618081054101 HAM- 221 09-29-97 1987 10 CFCs
LUSCR1 325812081090901 HAM- 222 10-01-97 1991 6 CFCs
LUSCR1 330051081092501 AL- 383 11-24-97 1986 11 CFCs
LUSCR1 330417081162201 AL- 385 11-24-97 1985 12 CFCs
LUSCR1 330422081130601 AL- 384 11-24-97 1988 9 CFCs
LUSCR1 330540080490701 COL- 356 12-03-97 1989 8 CFCs
LUSCR1 330656080365201 DOR- 325 09-09-97 1986 11 CFCs
LUSCR1 330715081192501 BW- 920 11-24-97 1985 12 CFCs
LUSCR1 331038080545601 BAM- 78 10-02-97 1988 9 CFCs
LUSCR1 331043081022101 BAM- 79 10-02-97 1990 7 CFCs
LUSCR1 331303080464101 ORG- 400 11-25-97 >1949 <48 CFCs
LUSCR1 331305080231301 DOR- 326 09-11-97 1990 7 CFCs
LUSCR1 331842080215301 ORG- 399 08-28-97 1994 3 CFCs
LUSCR1 331934080283701 ORG- 398 09-22-97 >1987 <10 CFCs
LUSCR1 332056080293501 ORG- 397 09-08-97 >1945 <52 CFCs
LUSCR1 332219080390501 ORG- 396 12-03-97 1988 9 CFCs
LUSCR1 332224080123601 BRK- 633 08-27-97 >1945 <52 CFCs
LUSCR1 332355080410401 ORG- 395 12-08-97 1984 13 CFCs
LUSCR1 332446080242201 ORG- 402 08-26-97 1987 10 CFCs
LUSCR1 332534080155701 ORG- 404 08-27-97 >1992 <5 CFCs
LUSCR1 332641080032201 BRK- 634 08-26-97 1976 21 CFCs
LUSCR1 332706080332001 ORG- 394 09-08-97 1984 13 CFCs
LUSCR1 333358080213001 CLA- 138 09-03-97 1992 5 CFCs
LUSRC1 335729080553901 RIC- 572 08-12-99 >1945 <54 CFCs
Santee River Basin (SANT)—Continued
LUSRC1 335811080580601 RIC- 563 08-16-99 >1945 <54 CFCs
LUSRC1 335838080553301 RIC- 566 09-18-96 >1945 <51 CFCs
LUSRC1 335851080561601 RIC- 567 09-18-96 >1945 <51 CFCs
LUSRC1 335938080581701 RIC- 558 09-17-96 >1945 <51 CFCs
LUSRC1 340122080590301 RIC- 584 10-04-96 >1945 <51 CFCs
LUSRC1 340124080572501 RIC- 559 08-17-99 >1945 <54 CFCs
LUSRC1 340155080582001 RIC- 583 09-16-96 >1945 <51 CFCs
LUSRC1 340158080574601 RIC- 556 09-25-96 >1945 <51 CFCs
LUSRC1 340158080585401 RIC- 561 10-03-96 >1945 <51 CFCs
LUSRC1 340236080585701 RIC- 578 09-12-96 >1945 <51 CFCs
LUSRC1 340304080574401 RIC- 579 08-11-99 >1979 <20 CFCs
LUSRC1 340544080530701 RIC- 576 08-10-99 >1981 <18 CFCs
LUSRC1 340745080543101 RIC- 575 09-19-96 >1945 <51 CFCs
SUS3 335744081514801 SAL- 75 08-03-98 1966 32 CFCs
SUS3 335931081441001 SAL- 74 08-05-98 >1978 <20 CFCs
SUS3 341412081445101 NEW- 965 08-05-98 1978 20 CFCs
SUS3 341421082113201 GNW- 544 07-30-98 >1959 <39 CFCs
SUS3 341450081291201 NEW- 876 07-27-98 >1945 <53 CFCs
SUS3 341638080492001 FA- 337 07-23-98 1969 29 CFCs
SUS3 342406081344001 NEW- 450 07-21-98 1978 20 CFCs
SUS3 342611082013601 LAU-1332 07-21-98 1960 38 CFCs
SUS3 342624081113501 FA- 391 07-29-98 1968 30 CFCs
SUS3 343510082170101 GRV-2984 07-22-98 >1945 <53 CFCs
SUS3 344254080572401 CTR- 625 07-29-98 1978 20 CFCs
SUS3 344413081314901 UN- 158 08-04-98 1994 4 CFCs
SUS3 344415081555201 SP-1607 07-30-98 1985 13 CFCs
SUS3 344600081131401 CTR- 602 08-11-98 >1945 <53 CFCs
SUS3 345323080423701 UN- 143 07-15-98 >1945 <53 CFCs
SUS3 345501082300501 GRV- 1382 07-22-98 >1945 <53 CFCs
SUS3 345503081475601 SP-1743 07-28-98 >1945 <53 CFCs
SUS3 345838082014601 SP-1810 07-28-98 1981 17 CFCs
SUS3 350257081345001 CRK- 145 08-04-98 1968 30 CFCs
SUS3 350824081045901 YK- 430 07-23-98 1961 37 CFCs
SUS3 351252081363401 CV- 135 07-14-98 >1956 <42 CFCs
SUS3 352106081152601 GS- 288 07-06-98 1984 14 CFCs
SUS3 352222081005001 GS- 287 07-15-98 >1945 <53 CFCs
SUS3 352703081391601 CV- 134 07-14-98 1984 14 CFCs
SUS3 353535081133401 CW- 348 07-06-98 1984 14 CFCs
SUS3 354154081532201 MC- 106 07-08-98 1993 5 CFCs
SUS3 354252081372501 BK- 106 07-07-98 >1979 <19 CFCs
SUS3 354911081161401 AX- 39 07-13-98 >1976 <22 CFCs
SUS3 355856081130501 AX- 40 08-17-98 >1945 <53 CFCs
South-Central Texas (SCXT)
LUSRC1 293252098380801 AY-68-27-610 12-10-98 1984 14 CFCs
LUSRC1 293340098344701 AY-68-28-516 12-08-98 1994 4 3H/3He
LUSRC1 293348098334101 AY-68-28-515 11-06-98 1989 9 CFCs
LUSRC1 293350098355801 AY-68-28-406 11-06-98 1987 11 CFCs
LUSRC1 293359098405401 AY-68-27-517 11-10-98 1988 10 CFCs
LUSRC1 293404098382001 AY-68-27-612 12-10-98 1986 12 CFCs
LUSRC1 293405098394201 AY-68-27-609 11-10-98 1984 14 CFCs
LUSRC1 293408098331301 AY-68-28-519 11-14-98 1988 10 CFCs
LUSRC1 293425098350801 AY-68-28-407 11-13-98 >1945 <53 CFCs
LUSRC1 293429098373801 AY-68-27-611 11-12-98 1986 12 CFCs
LUSRC1 293436098343001 AY-68-28-517 06-28-00 1983 17 3H/3He 4
LUSRC1 293436098343001 AY-68-28-517 12-08-98 1990 8 CFCs 5
LUSRC1 293439098324101 AY-68-28-518 12-11-98 >1945 <53 CFCs
LUSRC1 293456098280201 AY-68-29-418 12-09-98 1988 10 3H/3He
LUSRC1 293459098321401 AY-68-28-609 11-11-98 1988 10 CFCs
LUSRC1 293504098270901 AY-68-29-213 11-05-98 1989 9 CFCs
LUSRC1 293508098375101 AY-68-27-307 10-23-98 1984 14 CFCs
LUSRC1 293516098325501 AY-68-28-211 11-14-98 >1945 <53 CFCs
LUSRC1 293516098362801 AY-68-28-113 11-12-98 1988 10 CFCs
LUSRC1 293520098254101 AY-68-29-214 11-08-98 >1945 <53 CFCs
LUSRC1 293528098274301 AY-68-29-114 11-03-98 >1945 <53 CFCs
LUSRC1 293530098343401 AY-68-28-210 10-26-98 >1945 <53 CFCs
LUSRC1 293534098282801 AY-68-29-113 11-07-98 1982 16 CFCs
LUSRC1 293535098304101 AY-68-28-314 12-07-98 1988 10 CFCs
LUSRC1 293537098262401 AY-68-29-215 11-05-98 1991 7 CFCs
LUSRC1 293559098284801 AY-68-29-112 12-09-98 1987 11 CFCs
LUSRC1 293611098311901 AY-68-28-315 11-11-98 1994 4 CFCs
LUSRC1 293615098262301 AY-68-29-217 11-09-98 1990 8 CFCs
LUSRC1 293635098302301 AY-68-28-313 11-04-98 >1945 <53 CFCs
LUSRC1 293643098264001 AY-68-29-216 06-29-00 1995 5 3H/3He 6
LUSRC1 293643098264001 AY-68-29-216 11-09-98 >1945 <53 CFCs 7
LUSRC1 293746098265401 AY-68-21-806 12-07-98 1993 5 CFCs
REFRE1 292628099401401 YP-69-35-602 09-14-99 1981 18 3H/3He
Tennessee River Basin (TENN)
SUS1 343752086433001 Jefferson G-4555 06-29-99 >1945 <54 CFCs
SUS1 344150086523401 Norris G-4556 06-29-99 1992 7 CFCs
SUS1 344153087280101 Madden G-4562 07-06-99 >1945 <54 CFCs
SUS1 344355087414401 Crosslin G-4561 07-07-99 >1945 <54 CFCs
SUS1 344535087042201 Haney G-4557 06-30-99 >1945 <54 CFCs
SUS1 345343086554701 Dubois G-4558 06-30-99 >1945 <54 CFCs
Tennessee River Basin (TENN)
SUS1 345558086382801 Hazel Green G-4554 07-01-99 >1945 <54 CFCs
SUS1 350102086284001 Quick G-4565 07-15-99 1958 41 CFCs
SUS1 351928085594501 Rhoads G-4563 07-15-99 1974 25 CFCs
SUS1 352402086063201 Hawkersmith G-4559 07-15-99 >1945 <54 CFCs
Trinity River Basin (TRIN)
LUSRC1 294800095415801 MW28A 12-21-03 >1991 <12 CFCs
LUSRC1 295358095374101 MW18 12-18-03 >1974 <29 CFCs
LUSRC1 295421095305801 MW19 12-19-03 >1945 <58 CFCs
LUSRC1 295557095360901 MW11 12-16-03 >1967 <36 CFCs
LUSRC1 300011095251801 MW10 12-17-03 >1989 <14 CFCs
LUSRC1 300333095291701 MW03 12-29-03 1977 26 CFCs
LUSRC1 301008095302901 MW13 12-22-03 >1974 <29 CFCs
REFOT1 301716095400501 REF03 12-30-03 1989 14 CFCs
Upper Illinois River Basin (UIRB)
LUSCR1 405145087044701 AgLus 22-2 07-07-99 1986 13 CFCs
LUSCR1 405524087152701 AgLus 24 07-08-99 1983 16 CFCs
LUSCR1 405732087282301 AgLus 12 07-19-99 >1989 <10 CFCs
LUSCR1 410030087263101 AgLus 22-1 07-19-99 >1945 <54 CFCs
LUSCR1 410123087385601 AgLus 09 07-21-99 >1945 <54 CFCs
LUSCR1 410253087280701 AgLus 13 07-22-99 1990 9 CFCs
LUSCR1 410422088000001 AgLus 01 07-13-99 >1945 <54 CFCs
LUSCR1 410505087201201 AgLus 20 07-20-99 1993 6 CFCs
LUSCR1 410510087224201 AgLus 21 06-29-99 1989 10 CFCs
LUSCR1 410511087295201 AgLus 14 05-13-99 >1975 <24 CFCs
LUSCR1 410600087113501 AgLus 25 06-29-99 >1945 <54 CFCs
LUSCR1 410715087072301 AgLus 27 06-14-99 1990 9 CFCs
LUSCR1 410748087060901 AgLus 26 06-14-99 >1987 <12 CFCs
LUSCR1 410812087423401 AgLus 07 08-23-99 >1945 <54 CFCs
LUSCR1 410859087370001 AgLus 06 07-13-99 >1987 <12 CFCs
LUSCR1 410925087333201 AgLus 15-101 05-12-99 >1956 <43 CFCs
LUSCR1 410947087050501 AgLus 28 06-15-99 >1967 <32 CFCs
LUSCR1 411029087172401 AgLus 19 06-01-99 >1964 <35 CFCs
LUSCR1 411119087143601 AgLus 29 06-02-99 >1972 <27 CFCs
LUSCR1 411123088061201 AgLus 03 08-23-99 1990 9 CFCs
LUSCR1 411248087304901 AgLus 16 07-20-99 >1978 <21 CFCs
LUSCR1 411329087121201 AgLus 30 06-15-99 >1976 <23 CFCs
LUSCR1 411511087214501 AgLus 18 06-16-99 >1945 <54 CFCs
LUSCR1 411719087171301 AgLus 17 06-01-99 >1949 <50 CFCs
LUSCR1 413141088402401 AgLus 05 07-12-99 1991 8 CFCs
LUSRC1 415752088244001 URBLUS 01 05-24-00 >1949 <51 CFCs
Upper Illinois River Basin (UIRB)—Continued
LUSRC1 420012088191101 URBLUS 12 05-11-00 >1949 <51 CFCs
LUSRC1 421228088160701 URBLUS 22 04-18-00 1983 17 3H/3He
LUSRC1 421301088191501 URBLUS 11 06-08-00 1988 12 CFCs
LUSRC1 421402088173501 URBLUS 14 04-20-00 1990 10 3H/3He
LUSRC1 421545087564301 URBLUS 32 05-10-00 <1953 >47 3H/3He
LUSRC1 421633088125801 URBLUS 25 04-19-00 1983 17 3H/3He
LUSRC1 422002088263001 URBLUS 02 05-22-00 >1979 <21 CFCs
LUSRC1 422314088140001 URBLUS 20 05-09-00 1992 8 3H/3He
LUSRC1 423523088244901 URBLUS 04 05-09-00 1976 24 CFCs
LUSRC1 424052088180101 URBLUS 15 05-04-00 1991 9 CFCs
LUSRC1 424700088133201 URBLUS 27 05-03-00 1995 5 3H3He
LUSRC1 425402088241601 URBLUS 05 05-03-00 1999 1 3H/3He
LUSRC1 425913088133801 URBLUS 19 04-13-00 1989 11 3H/3He
LUSRC1 430003088164601 URBLUS 16 04-12-00 1975 25 3H/3He
LUSRC1 430155088114701 URBLUS 28 05-08-00 >1945 <55 CFCs
LUSRC1 430239088164001 URBLUS 17 04-12-00 >1968 <32 CFCs
LUSRC1 430353088095901 URBLUS 30 05-02-00 2000 0 3H/3He
LUSRC1 430728088132801 URBLUS 18 05-01-00 1989 11 3H/3He
LUSRC1 430846088123201 URBLUS 29 04-11-00 1975 25 CFCs
SUS1 421324088105301 MAS1-24 03-26-01 >1970 <31 CFCs
SUS1 421422088174001 MAS1-22 05-15-01 >1945 <56 CFCs
SUS1 421651088190601 MAS1-12 05-16-01 >1963 <38 CFCs
SUS1 421850088252301 MAS1-01 04-09-01 >1949 <52 CFCs
SUS1 422050088194001 MAS1-11 03-29-01 >1977 <24 CFCs
SUS1 422146088124301 MAS1-25 04-24-01 >1947 <54 CFCs
SUS1 422917088132901 MAS1-26 04-26-01 >1949 <52 CFCs
SUS1 423007088305501 MAS1-02 03-27-01 >1950 <51 CFCs
SUS1 423048088105001 MAS1-27 03-28-01 >1945 <56 CFCs
SUS1 423149088151101 MAS1-21 03-28-01 >1980 <21 CFCs
SUS1 423423088233201 MAS1-10 04-25-01 >1945 <56 CFCs
SUS1 423454088303101 MAS1-03 03-27-01 >1950 <51 CFCs
SUS1 423508088162701 MAS1-13 04-10-01 >1950 <51 CFCs
SUS1 423741088252201 MAS1-04 05-16-01 >1945 <56 CFCs
SUS1 423808088203801 MAS1-09 04-25-01 >1949 <52 CFCs
SUS1 424127088135601 MAS1-20 05-03-01 >1945 <56 CFCs
SUS1 424404088134601 MAS1-19 04-05-01 >1977 <24 CFCs
SUS1 424657088132001 MAS1-28 04-03-01 1986 15 CFCs
SUS1 424756088194201 MAS1-08 04-10-01 >1976 <25 CFCs
SUS1 424955088130901 MAS1-15 05-02-01 >1945 <56 CFCs
SUS1 425352088240101 MAS1-05 04-04-01 >1945 <56 CFCs
Upper Illinois River Basin (UIRB)—Continued
SUS1 425536088180901 MAS1-16 04-12-01 >1949 <52 CFCs
SUS1 425656088124401 MAS1-18 05-02-01 >1945 <56 CFCs
SUS1 425755088210901 MAS1-06 04-04-01 >1945 <56 CFCs
SUS1 425816088231401 MAS1-07 05-01-01 1990 11 CFCs
SUS1 430407088075901 MAS1-30 04-11-01 >1975 <26 CFCs
SUS1 430923088141601 MAS1-17 04-11-01 >1978 <23 CFCs
SUS2 405145087044702 AGSUS 22-2 08-29-00 >1947 <53 CFCs
SUS2 405345087100601 AGSUS 23 08-21-00 >1968 <32 CFCs
SUS2 405357087495001 AGSUS 11 09-28-00 >1949 <51 CFCs
SUS2 405627087142101 AGSUS 24 09-25-00 >1959 <41 CFCs
SUS2 405823087313101 AGSUS 12 08-24-00 >1973 <27 CFCs
SUS2 410025087280701 AGSUS 13 10-03-00 >1945 <55 CFCs
SUS2 410030087263102 AGSUS 22-1 09-11-00 >1945 <55 CFCs
SUS2 410407087200201 AGSUS 20 10-05-00 >1973 <27 CFCs
SUS2 410533087232601 AGSUS 21 10-04-00 >1949 <51 CFCs
SUS2 410541087313701 AGSUS 14 09-27-00 >1948 <52 CFCs
SUS2 410656087092901 AGSUS 25 10-10-00 >1946 <54 CFCs
SUS2 410700087305802 AGSUS 15 09-21-00 >1945 <55 CFCs
SUS2 410715087072001 AGSUS 27 10-16-00 1977 23 CFCs
SUS2 410841087040801 AGSUS 26 09-14-00 >1964 <36 CFCs
SUS2 410940087101001 AGSUS 30-1A 08-22-00 >1989 <11 CFCs
SUS2 410958087050601 AGSUS 28 09-13-00 >1968 <32 CFCs
SUS2 411029087172402 AGSUS 19 10-18-00 >1973 <27 CFCs
SUS2 411041087281101 AGSUS 16 09-26-00 >1978 <22 CFCs
SUS2 411100088074001 AGSUS 03 08-28-00 >1945 <55 CFCs
SUS2 411116087141401 AGSUS 29 10-17-00 >1945 <55 CFCs
SUS2 411409087104701 AGSUS 30 08-23-00 >1978 <22 CFCs
SUS2 411511087214502 AGSUS 18 08-31-00 >1945 <55 CFCs
SUS2 411719087171302 AGSUS 17 09-12-00 >1946 <54 CFCs
White, Great and Little Miami River Basins (WHMI)
LUSCR1 391636084452800 H-153 MIAM NAWQA LUS WELL BVAS AG-23 08-03-00 >1953 <47 3H/3He
LUSCR1 392018084371800 BU-1108 MIAM NAWQA LUS WELL BVAS AG-30 08-02-00 1991 9 3H/3He
LUSCR1 392134084563200 MIAM NAWQA LUS WELL BVAS AG-24 
AT CEDAR GROVE IN 08-03-00 >1953 <47 3H/3He
LUSCR1 392756084300900 BU-1107 MIAM NAWQA LUS WELL BVAS AG-29 08-02-00 1998 2 3H/3He
LUSCR1 393119086154101 TP-23 08-14-07 1995 12 SF6
LUSCR1 393223085534001 TP-7 08-14-07 − − SF6
LUSCR1 393421084003300 GR-654 MIAM NAWQA LUS WELL BVAS AG-20S 07-26-00 2000 0 3H/3He
LUSCR1 393831085043500 MIAM NAWQA LUS WELL BVAS AG-1 NR
SPRINGERSVILLE IN 08-09-00 >1953 <47 3H/3He
LUSCR1 394032085543101 TP-17 08-20-07 1970 37 SF6
White, Great and Little Miami River Basins (WHMI)—Continued
LUSCR1 394233083576000 GR-656 MIAM NAWQA LUS WELL BVAS AG-21 07-26-00 2000 0 3H/3He
LUSCR1 394420084463001 PR-202 MIAM NAWQA LUS WELL BVAS AG-7D 08-16-00 2000 0 3H/3He
LUSCR1 394650084320300 PR-203 MIAM NAWQA LUS WELL BVAS AG-26 07-17-00 2000 0 3H/3He
LUSCR1 394745085051300 MIAM NAWQA LUS WELL BVAS AG-3 NR 
HISER IN 08-25-00 >1953 <47 3H/3He
LUSCR1 394759085071000 MIAM NAWQA LUS WELL BVAS AG-8S NR
PENNVILLE IN 08-10-00 2000 0 3H/3He
LUSCR1 395135085070000 MIAM NAWQA LUS WELL BVAS AG-4S AT
JACKSONBURG IN 08-09-00 2000 0 3H/3He
LUSCR1 395213085052200 MIAM NAWQA LUS WELL BVAS AG-9 NR 
HOOVER MILL IN 08-24-00 1978 22 3H/3He
LUSCR1 395248084491600 MIAM NAWQA LUS WELL BVAS AG-6 AT
MIDDLEBORO IN 08-16-00 1965 35 3H/3He
LUSCR1 395713085202901 TP-8 08-16-07 − − SF6
LUSCR1 395849083494501 CL-283 MIAM NAWQA LUS WELL BVAS AG-13D 07-12-00 1999 1 3H/3He
LUSCR1 395911084422700 D-175 MIAM NAWQA LUS WELL BVAS AG-10 07-24-00 2000 0 3H/3He
LUSCR1 400019083412000 CL-284 MIAM NAWQA LUS WELL BVAS AG-14 07-19-00 >1953 <47 3H/3He
LUSCR1 400145084106000 MI-205 MIAM NAWQA LUS WELL BVAS AG-27 08-01-00 1995 5 3H/3He
LUSCR1 400320084402400 D-176 MIAM NAWQA LUS WELL BVAS AG-11 08-08-00 >1953 <47 3H/3He
LUSCR1 400356085562101 TP-18 08-23-07 − − SF6
LUSCR1 400850083404700 CH-106 MIAM NAWQA LUS WELL BVAS AG-15S 07-13-00 2000 0 3H/3He
LUSCR1 401040084154000 MI-204 MIAM NAWQA LUS WELL BVAS AG-12 07-28-00 1998 2 3H/3He
LUSCR1 401238084144400 SH-75 MIAM NAWQA LUS WELL BVAS AG-28S 07-27-00 >1953 <47 3H/3He
LUSCR1 401240083492600 CH-110 MIAM NAWQA LUS WELL BVAS AG-17S 07-19-00 1998 2 3H/3He
LUSCR1 401307083450600 CH-108 MIAM NAWQA LUS WELL BVAS AG-16S 07-18-00 >1953 <47 3H/3He
LUSCR1 401359083493100 CH-112 MIAM NAWQA LUS WELL BVAS AG-18S 07-25-00 1999 1 3H/3He
LUSCR1 401837083492900 LO-75 MIAM NAWQA LUS WELL BVAS AG-19 07-20-00 1992 8 3H/3He
LUSCR1a 393421084003301 GR-655 MIAM NAWQA LUS WELL BVAS AG-20D 07-26-00 1995 5 3H/3He
LUSCR1a 394759085071001 MIAM NAWQA LUS WELL BVAS AG-8D NR
PENNVILLE IN 08-10-00 <1953 >47 3H/3He
LUSCR1a 395135085070001 MIAM NAWQA LUS WELL BVAS AG-4D AT
JACKSONBURG IN 08-15-00 1966 34 3H/3He
LUSCR1a 400850083404701 CH-107 MIAM NAWQA LUS WELL BVAS AG-15D 07-13-00 1991 9 3H/3He
LUSCR1a 401238084144401 SH-76 MIAM NAWQA LUS WELL BVAS AG-28D 07-27-00 1969 31 3H/3He
LUSCR1a 401240083492601 CH-111 MIAM NAWQA LUS WELL BVAS AG-17D 07-19-00 >1953 <47 3H/3He
LUSCR1a 401307083450601 CH-109 MIAM NAWQA LUS WELL BVAS AG-16D 07-18-00 >1953 <47 3H/3He
LUSCR1a 401359083493101 CH-113 MIAM NAWQA LUS WELL BVAS AG-18D 07-25-00 1996 4 3H/3He
LUSCR3a 390244086593401 NAWQA AG WELL FA5S AT ELLISTON, IN 07-21-99 >1953 <46 3H/3He
LUSCR3a 390505085513301 NAWQA AG WELL FA12S AT AZALIA, IN 07-22-99 1997 2 3H/3He
LUSCR3a 393455086562101 NAWQA AG WELL FA14 NEAR MANHATTAN, IN 07-21-99 1999 0 3H/3He
LUSCR3a 393622085483301 NAWQA AG WELL FA17 NEAR SHELBYVILLE, IN 07-20-99 1999 0 3H/3He
White, Great and Little Miami River Basins (WHMI)—Continued
LUSCR3a 395709086040101 NAWQA AG WELL FA19 AT TRAILS END, IN 07-20-99 1999 0 3H/3He
LUSRC1 390744084212501 URB-02 11-29-01 − − SF6
LUSRC1 391226084272501 URB-31 11-28-01 − − SF6
LUSRC1 391434084474601 URB-04 11-15-01 − − SF6
LUSRC1 391518084485201 URB-03 11-15-01 − − SF6
LUSRC1 391849084381901 URB-01 11-27-01 − − SF6
LUSRC1 392008084335501 URB-06 11-14-01 1998 3 SF6
LUSRC1 392008084343801 URB-07 11-26-01 − − SF6
LUSRC1 392047084325101 URB-15 11-14-01 − − SF6
LUSRC1 392049084340301 URB-08 11-27-01 − − SF6
LUSRC1 392121084332101 URB-29 11-13-01 − − SF6
LUSRC1 392917084205601 URB-11 11-07-01 1998 3 SF6
LUSRC1 393405084203701 URB-12 11-06-01 − − SF6
LUSRC1 393453084131801 URB-13 11-05-01 − − SF6
LUSRC1 393954084132001 URB-17 11-01-01 − − SF6
LUSRC1 393956083575601 URB-23 10-25-01 1994 7 SF6
LUSRC1 394025084132501 URB-14 10-31-01 − − SF6
LUSRC1 394103084124901 URB-18 10-31-01 − − SF6
LUSRC1 394234084024301 URB-16 10-22-01 1998 3 SF6
LUSRC1 394256084040701 URB-19 10-23-01 − − SF6
LUSRC1 394320084044301 URB-20 10-04-01 − − SF6
LUSRC1 395210083565001 URB-22 10-24-01 − − SF6
LUSRC1 395244084011901 URB-26 12-03-01 − − SF6
LUSRC1 395247084015801 URB-25 12-03-01 − − SF6
LUSRC1 395614084020301 URB-24 10-17-01 − − SF6
LUSRC1 400642083441601 URB-21 10-03-01 − − SF6
REFOT1 393812084240001 Ref-02 11-07-01 − − SF6
REFOT1 395159086171501 TP Ref 1 08-23-07 1997 10 SF6
REFOT1 395218084100801 REF-01 10-18-01 − − SF6
SUS1 390832084133300 CT-75 MIAM NAWQA SUS WELL BVAS-30 07-08-99 >1953 <46 3H/3He
SUS1 391444084474600 H-151 MIAM NAWQA SUS WELL BVAS-27 07-01-99 1992 7 3H/3He
SUS1 391544084474200 H-150 MIAM NAWQA SUS WELL BVAS-19 07-01-99 1991 8 3H/3He
SUS1 391843084383200 BU-1105 MIAM NAWQA SUS WELL BVAS-28 07-07-99 1995 4 3H3He
SUS1 392544084290300 BU-1106 MIAM NAWQA SUS WELL BVAS-29 07-07-99 >1953 <46 3H/3He
SUS1 392756084330100 BU-1101 MIAM NAWQA SUS WELL BVAS-18 06-07-99 1987 12 3H/3He
SUS1 393330084204500 W-53 MIAM NAWQA SUS WELL BVAS-25 06-23-99 1999 0 3H/3He
SUS1 393455084180600 W-52 MIAM NAWQA SUS WELL BVAS-13 07-08-99 1989 10 3H/3He
SUS1 393512084594500 BVAS-20 MIAM NAWQA SUS WELL NEAR
DUNLAPSVILLE, IN 07-09-99 1999 0 3H/3He
SUS1 393605084013400 GR-653 MIAM NAWQA SUS WELL BVAS-16 06-22-99 1993 6 3H/3He
White, Great and Little Miami River Basins (WHMI)—Continued
SUS1 394254084003000 GR-650 MIAM NAWQA SUS WELL BVAS-5 05-27-99 1981 18 3H/3He
SUS1 394302084032700 GR-651 MIAM NAWQA SUS WELL BVAS-9 05-27-99 1991 8 3H/3He
SUS1 394654084160800 MT-1251 MIAM NAWQA SUS WELL BVAS-17 05-20-99 1993 6 3H/3He
SUS1 394918084100100 MT-1255 MIAM NAWQA SUS WELL BVAS-11 06-22-99 1987 12 3H/3He
SUS1 395125084154800 MT-1250 MIAM NAWQA SUS WELL BVAS-1 05-20-99 1996 3 3H/3He
SUS1 395127083551300 CL-278 MIAM NAWQA SUS WELL BVAS-14 06-10-99 >1953 <46 3H/3He
SUS1 395149084592900 BVAS-24 MIAM NAWQA SUS WELL NEAR
CENTERVILLE IN 06-03-99 1994 5 3H/3He
SUS1 395235083445700 CL-281 MIAM NAWQA SUS WELL BVAS-10 06-24-99 1990 9 3H/3He
SUS1 395248084010900 CL-280 MIAM NAWQA SUS WELL BVAS-7 06-29-99 1975 24 3H/3He
SUS1 395407083553400 CL-277 MIAM NAWQA SUS WELL BVAS-3 06-10-99 1987 12 3H/3He
SUS1 395528083414400 CL-275 MIAM NAWQA SUS WELL BVAS-8 05-13-99 1985 14 3H/3He
SUS1 395635083445900 CL-279 MIAM NAWQA SUS WELL BVAS-2 06-24-99 >1953 <46 3H/3He
SUS1 395706084035400 MI-203 MIAM NAWQA SUS WELL BVAS-22 06-28-99 1984 15 3H/3He
SUS1 400049084125300 MI-202 MIAM NAWQA SUS WELL BVAS-21 06-23-99 1980 19 3H/3He
SUS1 400113085051300 BVAS-23 MIAM NAWQA SUS WELL NR 
ECONOMY IN 06-03-99 1948 51 3H/3He
SUS1 400142083423900 CH-100 MIAM NAWQA SUS WELL BVAS-6 05-12-99 1995 4 3H/3He
SUS1 400409083464500 CH-103 MIAM NAWQA SUS WELL BVAS-15 06-29-99 1971 28 3H/3He
SUS1 400542083420900 CH-101 MIAM NAWQA SUS WELL BVAS-4 06-30-99 1986 13 3H/3He
SUS1 401200083443100 CH-104 MIAM NAWQA SUS WELL BVAS-26 06-30-99 1992 7 3H/3He
SUS1 401237083485800 CH-102 MIAM NAWQA SUS WELL BVAS-12 06-30-99 >1953 <46 3H/3He
Willamette Basin (WILL)
LUSAG3 441155123152801 65 07-09-02 >1977 <25 CFCs
LUSAG3 441556123092001 63 07-09-02 1987 15 CFCs
LUSAG3 442252122592201 61 07-10-02 >1968 <34 CFCs
LUSAG3 443226123121701 54 07-08-02 >1979 <23 CFCs
LUSAG3 443437123133901 49 07-08-02 >1945 <57 CFCs
LUSAG3 443646122552701 51 06-28-02 >1945 <57 CFCs
LUSAG3 444128122520901 47 06-27-02 1965 37 CFCs
LUSAG3 444213122481301 48 07-11-02 >1974 <28 CFCs
LUSAG3 444807123140101 41 08-21-02 >1977 <25 CFCs
LUSAG3 444915122493801 44 06-27-02 >1945 <57 CFCs
LUSAG3 450745123015801 29 07-12-02 >1969 <33 CFCs
LUSAG3 450808122440101 31 06-25-02 >1981 <21 CFCs
LUSAG3 450910123113701 28 07-12-02 >1979 <23 CFCs
LUSAG3 451048122420501 25 06-25-02 >1945 <57 CFCs
LUSAG3 452222122145301 15 08-19-02 1963 39 CFCs
LUSAG3 452335122320801 12 08-19-02 >1945 <57 CFCs
REFFO1 451708122204801 20 06-10-02 >1945 <57 CFCs
REFFO1 452842122305801 8 05-28-02 >1987 <15 CFCs
Yellowstone River Basin (YELL)
LUSOT1 424751108455901 RL-10 07-16-01 >1976 <25 CFCs
LUSOT1 424808108453101 RL-09 07-11-01 >1972 <29 CFCs
LUSOT1 424830108450101 RL-08 07-10-01 >1945 <56 CFCs
LUSOT1 425111108430501 RL-07 07-18-01 >1985 <16 CFCs
LUSOT1 425129108432401 RL-05 07-15-01 >1974 <27 CFCs
LUSOT1 425140108430901 RL-04 07-09-01 1987 14 CFCs
LUSOT1 425158108433801 RL-03 07-17-01 1992 9 CFCs
LUSOT1 425253108434501 RL-02 07-12-01 1988 13 CFCs
LUSOT1 425313108440701 RL-01 07-08-01 >1990 <11 CFCs
LUSOT1 443943106594001 RS-10 06-26-01 1984 17 CFCs
LUSOT1 444012106593201 RS-09 06-25-01 1987 14 CFCs
LUSOT1 444047106590901 RS-08 06-25-01 1990 11 CFCs
LUSOT1 444225106580701 RS-07 06-21-01 1988 13 CFCs
LUSOT1 444240106581401 RS-06 06-20-01 >1967 <34 CFCs
LUSOT1 444249106572301 RS-05 06-24-01 >1969 <32 CFCs
LUSOT1 444317106572601 RS-04 06-19-01 1984 17 CFCs
LUSOT1 444333106571001 RS-03 06-18-01 >1971 <30 CFCs
LUSOT1 444536107052201 RS-02 06-27-01 1992 9 CFCs
LUSOT1 444554107043101 RS-01 06-17-01 1991 10 CFCs
LUSOT1 450845109163701 RR-10 09-19-01 1997 4 CFCs
LUSOT1 450925109180001 RR-09 09-18-01 1991 10 CFCs
LUSOT1 450935109161701 RR-08 09-17-01 >1945 <56 CFCs
LUSOT1 450943109161701 RR-07 08-18-01 1993 8 CFCs
LUSOT1 450949109164601 RR-03 09-19-01 1988 13 CFCs
LUSOT1 450949109172301 RR-06 09-16-01 1991 10 CFCs
LUSOT1 450952109162901 RR-05 09-17-01 1987 14 CFCs
LUSOT1 450958109162801 RR-04 09-18-01 1986 15 CFCs
LUSOT1 451510109134801 RR-01 08-08-01 1987 14 CFCs

1 Forest LUS, serves as reference site.


2 There also are SF6 results, but for a different sample date.


3 There also are 3H3He results, but for a different sampling date.


4 There also are CFC results, but for a different sampling date


5 There also are 3H3He results, but for a different sampling date.


6 There also are CFC results, but for a different sampling date.


7 There also are 3H3He results, but for a different sampling date.

First posted January 27, 2011

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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