Scientific Investigations Report 2006–5290
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5290
Table 2. Principal aquifers, primary lithology of the aquifers, well-sampling networks within each study unit, and the total number of wells sampled during water years 1993–2004.
[Study unit: ACAD, Acadian; ACFB, Apalachicola-Chattahoochee-Flint; ALBE, Albemarle-Pamlico; CCYK, Central Columbia Plateau-Yakima; CONN, Connecticut; DELR, Delaware; GAFL, Georgia-Florida; HPGW, High Plains; KANA, Kanawha; LERI, Lake Erie; LSUS, Lower Susquehanna; MOBL, Mobile; NVBR, Nevada basin and range; OZRK, Ozark Plateaus; PODL, Potomac-DelMarva; PUGT, Puget Sound basin; REDN, Red River of the North; SANJ, San Joaquin; SANT, Santee; SPLT, South Platte; TENN, lower and upper Tennessee; TRIN, Trinity; UCOL, upper Colorado; USNK, Upper Snake River; WHMI, White-Miami; WMIC, Western Lake Michigan; YELL, Yellowstone. Study networks: MAS, major aquifer study; SUS, study unit survey (during Cycle I; equivalent to Cycle II MAS); SWQA, source-water quality assessment; LUS, land-use study; CR, cropland; AG, agriculture; UR, urban; RS, residential; RC, new residential/commercial; MI, mining; REF, reference; FPS, flow-path study. Lower case letters and numbers following study network indicate study unit or NAWQA network coding]
| Principal aquifers | Primary lithology | Study unit | Study networks | Number of wells sampled |
Data collection years (water year) |
|---|---|---|---|---|---|
| Columbia Plateau | Volcanic (basalt sand and gravel interbeds) | CCYK | MAS-1b, SWQA | 44 | 2002, 2003 |
| Snake River Plain | Volcanic (basalt sand and gravel interbeds) | USNK | MAS-1, MAS-2, LUSCR-1 | 82 | 1993, 1994, 1996 |
| Floridan | Limestone | GAFL | MAS-2, SWQA-1, SWQA-2 | 60 | 2002, 2003 |
| ACFB1 | SUS-11 | 19 | 2002, 2003 | ||
| Piedmont and Blue Ridge | Crystalline rocks (metamorphic, schist, granite) | ACFB1 | LUSUR-11 | 11 | 1994 |
| KANA | MAS-2 | 30 | 1997 | ||
| PODL | SWQA-1 | 15 | 2003 | ||
| LSUS | MAS-2 | 30 | 1994 | ||
| Carbonate rocks (limestone, dolomite) | LSUS | LUSAG-1 | 30 | 1993 | |
| Basin and Range | Sand, gravel, clay | NVBR | MAS-2, SWQA-1, LUSUR-2 | 41 | 2003 |
| Limestone | MAS-4 | 18 | |||
| Volcanic (basalt sand and gravel interbeds) | MAS-2 | 4 | |||
| Central Valley | Sand, gravel, silt | SANJ | MAS-1, MASCR-1a | 30 | 2002 |
| Alluvium | SWQA-1 | 15 | 2003 | ||
| Glacial Deposits | Sand, gravel, clay | CONN | MAS-2, SWQA-1 | 45 | 2002, 2003 |
| DELR | MAS-3 | 16 | 2001 | ||
| HPGW | SWQA-1 | 15 | 2003 | ||
| LERI | LUSspecial-1 | 28 | 1997 | ||
| PUGT | LUSCR-1, LUSRS-1, FPSCR-1 | 27 | 1998 | ||
| WHMI | SWQA | 15 | 2003 | ||
| WMIC | MAS-2 | 28 | 2003 | ||
| REDN1 | LUSAG1 | 12 | 2000 | ||
| High Plains | Sand, gravel | HPGW | MAS-4, MAS-5 | 57 | 2003, 2004 |
| Coastal Lowlands | Sand, semiconsolidated sand | TRIN | MAS-3, SWQA-1 | 45 | 2002, 2003 |
| Mississippi Embayment- Texas Coastal Uplands | Semiconsolidated sand | ACAD | MAS-3 | 21 | 2004 |
| North Atlantic Coastal Plain | Sand, clay, semiconsolidated sand | PODL | MAS-1, MAS-2, LUSspecial-1 | 50 | 2001, 2002, 2003, 2004 |
| Limestone1 | ALBE1 | SUS-71 | 19 | 2002, 2003 | |
| Ordovician | Limestone | TENN (lower) | MAS-2 | 30 | 2000, 2001 |
| Valley and Ridge | Shale, sandstone | DELR | MAS-2 | 30 | 2000 |
| LSUS | MAS-1 | 29 | 1993 | ||
| Limestone, dolomite | LSUS | LUSAG-2, LUSAG-3, LUSUR-1 | 66 | 1994, 1995 | |
| TENN (upper) | MAS-1 | 30 | 1999 | ||
| Mississippian-Pennsylvanian | Sedimentary | KANA | LUSMI-1, MAS-1 | 57 | 1997, 1998 |
| Carbonate rocks (residuum, limestone, dolomite) | TENN (lower) | MAS-1, LUSAG-1 | 64 | 1999, 2000, 2001 | |
| Southeastern Coastal Plain | Sand, clay | MOBL | LUSRC-1 | 30 | 2000 |
| SANT | MAS-1 | 28 | 1997 | ||
| Stream and River Valley | Alluvium | UCOL | MAS-1, MAS-2, LUSRC-1a, LUSRC-1b, LUS-1c, LUS-1d, LUS-1e | 68 | 1997, 1998 |
| YELL | LUSother-1 | 28 | 2001 | ||
| Denver Basin1 | Shale, sandstone1 | SPLT1 | SWQA-11 | 112 | 2003 |
| Ozark Plateaus1 | Limestone1 | OZRK1 | LUSAG-2a1, REF-11 | 16 | 2002 |
1 Study unit, well-sampling network, and wells not included in final analyses of this report.
U.S.
Department of the Interior | U.S. Geological
Survey
Persistent URL: https://pubs.water.usgs.gov/sir20065290
Page Contact Information: Publications Team
Page Last Modified: Thursday, 01-Dec-2016 19:30:06 EST
