Water Data Report 1997
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04211820 GRAND RIVER AT HARPERSFIELD, OHIO
LOCATION.--Lat 41045'19", long 80056'55", Ashtabula County, Hydrologic Unit 04110004, on left bank, 2000 ft downstream
of bridge on State Highway 534, 0.25 mi south of Harpersfield, 4.85 mi upstream of Mill Creek confluence.
DRAINAGE AREA.--552 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--March 1996 to September 1996.
GAGE.--Water-stage recorder. Altitude of gage is 735 ft above sea level.
REMARKS.--Records excellent except for periods of estimated record, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 10,000 ft3/s Apr. 24, 1996, gage height, 9.15 ft; minimum daily
discharge, 6.9 ft3/s Sept. 6, 1996.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 1030 1060 2540 e690 856 4810 985 376 3300 92 13 28
2 547 816 4040 677 660 4360 810 288 9200 101 12 25
3 266 593 2540 864 743 3450 604 320 e12600 79 12 26
4 166 448 1860 848 1260 2100 442 821 e11100 62 11 27
5 116 414 1480 902 4760 1560 358 772 e5500 54 9.9 28
6 88 383 1090 1510 4210 2790 318 1740 e3500 46 9.0 27
7 69 332 903 1120 2420 2800 279 1800 e1900 40 8.3 27
8 58 1010 741 e772 1870 2350 237 1190 e1000 35 7.9 34
9 59 3940 630 e565 e1370 2430 209 1180 e600 32 7.5 35
10 177 5150 557 e492 839 3750 198 1190 e350 30 7.4 38
11 257 4150 814 e390 565 3150 197 1210 e200 28 8.9 42
12 235 3190 3380 e300 e427 1930 589 806 137 28 9.3 61
13 181 2750 3400 e250 e500 1470 2960 568 205 27 10 92
14 132 2420 2760 e230 382 3300 2260 427 565 26 9.7 81
15 102 1960 2510 e250 e339 5260 1750 386 352 24 12 58
16 83 1560 1980 e270 e320 2960 1400 549 190 21 16 43
17 65 1310 2460 e250 e340 2230 843 692 473 19 27 34
18 122 3220 3460 e240 351 1700 560 584 560 18 58 28
19 2540 5010 e2060 e230 1250 1040 502 1480 942 16 98 25
20 5650 3280 e1500 e220 3400 674 432 4150 657 15 84 34
21 4110 1990 e890 e215 3000 501 334 2230 349 15 65 70
22 2810 1230 654 332 2490 432 291 1080 203 14 67 210
23 2010 877 472 e1800 1780 440 412 607 140 14 77 152
24 1730 737 2360 e1900 1120 e500 449 371 107 15 85 88
25 1260 1290 e3240 2080 e618 525 438 311 87 16 108 64
26 830 5030 e2040 e2300 492 975 384 803 77 16 81 50
27 547 4850 1600 e1690 6340 1150 308 1080 89 17 61 42
28 393 2580 1340 e1900 9570 860 292 796 96 17 57 36
29 311 1860 1640 e1800 --- 640 372 505 110 16 49 32
30 456 1510 1320 e1600 --- 548 428 325 89 15 39 31
31 1160 --- 955 1180 --- 864 --- 337 --- 14 32 ---
TOTAL 27560 64950 57216 27867 52272 61549 19641 28974 54678 962 1151.9 1568
MEAN 889 2165 1846 899 1867 1985 655 935 1823 31.0 37.2 52.3
MAX 5650 5150 4040 2300 9570 5260 2960 4150 12600 101 108 210
MIN 58 332 472 215 320 432 197 288 77 14 7.4 25
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 1997, BY WATER YEAR (WY)
MEAN 889 2165 1846 899 1867 1744 1204 1179 1321 90.4 47.0 263
MAX 889 2165 1846 899 1867 1985 1754 1424 1823 150 56.9 474
(WY) 1997 1997 1997 1997 1997 1997 1996 1996 1997 1996 1996 1996
MIN 889 2165 1846 899 1867 1503 655 935 820 31.0 37.2 52.3
(WY) 1997 1997 1997 1997 1997 1996 1997 1997 1996 1997 1997 1997
SUMMARY STATISTICS FOR 1997 WATER YEAR WATER YEARS 1996 - 1997
ANNUAL TOTAL 398388.9
ANNUAL MEAN 1091 1091
HIGHEST ANNUAL MEAN 1091 1997
LOWEST ANNUAL MEAN 1091 1997
HIGHEST DAILY MEAN 12600 Jun 3 12600 Jun 3 1997
LOWEST DAILY MEAN 7.4 Aug 10 6.9 Sep 6 1996
ANNUAL SEVEN-DAY MINIMUM 8.3 Aug 6 8.3 Aug 6 1997
INSTANTANEOUS PEAK FLOW e16000 Jun 3 e16000 Jun 3 1997
INSTANTANEOUS PEAK STAGE 11.38 Jun 3 11.38 Jun 3 1997
INSTANTANEOUS LOW FLOW 6.9 Aug 9 6.2 Sep 6 1996
10 PERCENT EXCEEDS 2980 2800
50 PERCENT EXCEEDS 492 440
90 PERCENT EXCEEDS 26 27
e Estimated.
04211820 GRAND RIVER AT HARPERSFIELD, OHIO
National Water-Quality Assessment Program, Lake Erie-Lake St. Clair Basin Study Unit
WATER-QUALITY RECORDS
The data described in the following table were collected and analyzed as part of the NAWQA (National Water-
Quaity Assessment Program) project in the Lake Erie-Lake St. Clair Basin. The objectives of the NAWQA program are to
broadly characterize the water quality of the Nation's streams and aquifers in relation to human and natural
factors. This project is one of 60 river basin and aquifer assessment projects being implemented across the nation.
At any one time, 15 to 20 of these projects are actively collecting data. The period of high-intensity data
collection for the Lake Erie-Lake St. Clair Basin project is in water years 1996-98.
There are four stream sites in Ohio for which data are being reported in this publication as part of the NAWQA
study: Auglaize River near Ft. Jennings (04186500), Maumee River at Waterville (04193500), Cuyahoga River at LTV
Steel at Cleveland (04208504), and Grand River at Harpersfield (04211820). Three sites are reported in the 1997
Michigan annual data report: Black River near Jeddo, MI (04159492), Clinton River at Sterling Heights, MI (04161820)
and River Raisin near Manchester, MI (04175600). Two Sites are reported in the 1997 Indiana annual data report:
St. Joseph River near Newville, IN (04178000), and Maumee River at New Haven, IN (04183000). One site is reported in
the 1997 New York annual data report: Cattaraugus Creek at Gowanda, NY (04213500).
These data also can be obtained electronically at http//oh.water.usgs.gov/nawqa.index.html.
---, no data; <, concentration or value reported is less than that indicated; E, estimated value; K, value is
estimated from a non-ideal colony count
WATER-QUALITY DATA, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DIS- PH BARO- OXYGEN, COLI- E. COLI
CHARGE, SPE- WATER METRIC DIS- FORM, WATER MAGNE-
INST. CIFIC WHOLE PRES- SOLVED FECAL, WHOLE SIUM,
CUBIC CON- FIELD TEMPER- TEMPER- SURE OXYGEN, (PER- 0.7 TOTAL DIS-
FEET DUCT- (STAND- ATURE ATURE (MM DIS- CENT UM-MF UREASE SOLVED
DATE TIME PER ANCE ARD AIR WATER OF SOLVED SATUR- (COLS./ (COL / (MG/L
SECOND (US/CM) UNITS) (DEG C) (DEG C) HG) (MG/L) ATION) 100 ML) 100 ML) AS MG)
(00061) (00095) (00400) (00020) (00010) (00025) (00300) (00301) (31625) (31633) (00925)
OCT
24... 1015 1770 223 7.4 10.0 10.0 734 9.2 85 410 K200 5.8
NOV
21... 0945 2050 183 7.4 3.0 3.0 740 12.5 95 410 260 4.7
DEC
05... 0915 1540 180 7.5 0.5 3.0 740 12.7 96 600 -- 4.8
JAN
16... 1000 267 291 7.5 -9.0 0.0 735 12.0 85 -- -- 4.0
FEB
06... 0930 4400 167 6.8 0.0 0.0 753 12.6 87 900 800 3.5
27... 0930 5430 190 7.3 17.0 2.5 728 11.7 90 -- 1200 4.0
MAR
13... 0900 1530 182 7.4 -3.0 4.0 754 12.1 92 -- K160 4.5
27... 0830 1200 233 7.7 11.0 5.0 739 11.9 95 -- 360 5.0
APR
10... 0845 197 278 8.1 -3.0 6.0 752 11.9 97 -- K42 7.1
24... 0900 452 257 7.8 8.5 9.0 735 10.4 93 -- 170 6.0
MAY
05... 1200 766 246 7.7 10.5 13.0 744 10.4 101 -- 210 5.9
22... 0900 1140 206 7.7 8.5 14.5 749 8.6 87 -- 220 5.0
JUN
05... 0930 5500 128 7.0 16.0 15.5 743 9.8 100 -- 340 3.4
JUL
02... 0840 102 278 7.7 28.5 23.5 738 7.7 93 -- 5100 7.4
10... 0915 30 371 8.1 18.0 21.5 749 8.5 98 -- K20 9.7
31... 0900 14 384 8.0 21.5 24.0 752 8.4 101 -- -- 11
AUG
14... 0815 9.8 414 7.8 15.0 20.5 744 7.2 82 -- K17 11
SEP
08... 1230 34 488 8.6 18.0 22.5 742 9.8 115 -- K36 12
25... 0930 62 466 7.8 15.0 14.5 734 9.5 94 -- K50 12
BICAR- CAR- ALKA- SOLIDS, NITRO- NITRO-
POTAS- BONATE BONATE LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN,
SODIUM, SIUM, WATER WATER WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3
DIS- DIS- DIS IT DIS IT TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS-
SOLVED SOLVED FIELD FIELD FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED
DATE (MG/L (MG/L MG/L AS MG/L AS MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L
AS NA) AS K) HCO3 CO3 CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N)
(00930) (00935) (00453) (00452) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631)
OCT
24... 11 3.9 69 -- 57 25 17 0.1 6.5 143 0.04 0.41
NOV
21... 9.1 2.6 51 -- 41 19 15 0.2 5.7 124 0.02 0.45
DEC
05... 8.4 2.8 49 -- 40 21 14 0.1 5.4 122 0.02 0.29
JAN
16... 8.4 1.5 95 -- 78 22 19 0.2 3.1 128 0.02 0.41
FEB
06... 10 1.9 53 -- 43 15 18 <0.1 4.2 100 0.02 0.53
27... 13 2.0 45 -- 37 18 24 0.1 3.6 112 <0.01 0.56
MAR
13... 10 2.0 44 -- 36 19 18 0.1 3.9 112 <0.01 0.37
27... 15 1.9 51 -- 42 21 27 <0.1 3.2 140 <0.01 0.32
APR
10... 15 2.0 83 -- 68 28 25 0.2 1.5 162 <0.01 0.08
24... 15 2.0 74 -- 60 25 25 0.1 2.3 161 <0.01 0.26
MAY
05... 15 1.8 80 -- 65 20 25 0.2 2.7 139 <0.01 0.13
22... 9.7 2.0 70 -- 58 16 15 0.2 3.0 133 <0.01 0.30
JUN
05... 5.3 2.3 59 -- 48 11 7.9 0.1 4.4 102 0.02 0.44
JUL
02... 12 3.1 100 -- 82 21 18 0.2 3.6 171 0.01 0.33
10... 17 3.0 127 -- 104 30 28 0.2 3.9 220 <0.01 0.14
31... 19 2.9 143 -- 117 27 28 0.2 1.7 228 <0.01 0.06
AUG
14... 20 2.9 174 -- 143 30 29 0.2 1.3 236 <0.01 0.07
SEP
08... 26 3.7 117 7 108 65 44 0.2 2.2 292 0.01 0.20
25... 26 3.6 142 -- 116 48 40 0.2 3.8 275 <0.01 0.32
NITRO- NITRO- NITRO- PHOS- CARBON,
GEN, GEN,AM- GEN,AM- PHOS- PHORUS MANGA- CARBON, ORGANIC ACETO-
AMMONIA MONIA + MONIA + PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- CHLOR,
DIS- ORGANIC ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, WATER
SOLVED TOTAL DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- FLTRD
DATE (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (UG/L (UG/L (MG/L (MG/L PENDED REC
AS N) AS N) AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) (UG/L)
(00608) (00625) (00623) (00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (49260)
OCT
24... 0.04 0.8 0.6 0.09 0.02 0.02 260 32 10 1.3 30 --
NOV
21... 0.04 0.6 0.4 0.04 0.01 0.02 220 26 7.3 0.7 22 <0.002
DEC
05... 0.03 0.6 0.4 0.08 0.05 0.05 220 23 7.2 1.3 28 <0.002
JAN
16... 0.05 0.5 0.3 0.07 <0.01 0.01 180 33 5.7 0.6 8 <0.002
FEB
06... 0.06 0.8 0.4 0.11 0.03 <0.01 210 38 5.2 1.3 85 --
27... 0.07 2.8 0.4 0.74 <0.01 0.01 180 45 5.1 12 1040 <0.002
MAR
13... <0.02 0.5 0.4 0.07 <0.01 0.01 150 19 5.9 1.2 47 --
27... <0.02 0.7 0.3 0.10 <0.01 <0.01 200 31 5.7 1.2 36 --
APR
10... <0.02 0.3 0.3 0.03 <0.01 <0.01 310 38 5.3 0.5 11 --
24... 0.05 0.5 0.4 0.05 <0.01 <0.01 300 45 6.3 0.5 21 <0.002
MAY
05... <0.02 0.5 0.4 0.06 <0.01 <0.01 320 48 7.5 0.7 31 <0.002
22... 0.04 0.7 0.6 0.09 0.02 0.01 240 13 9.4 0.7 40 0.165
JUN
05... 0.04 0.7 0.6 0.11 0.03 0.03 370 24 10 1.7 -- 0.410
JUL
02... <0.02 0.7 0.6 0.04 <0.01 <0.01 160 6.1 9.6 1.4 37 0.099
10... <0.02 0.7 0.5 0.04 <0.01 <0.01 28 27 7.2 0.8 6 0.121
31... <0.02 0.6 0.4 0.04 <0.01 0.01 24 73 7.7 0.6 10 0.029
AUG
14... <0.02 0.6 0.5 0.04 0.01 0.01 20 81 6.9 0.8 9 <0.002
SEP
08... <0.02 0.5 0.4 0.03 <0.01 <0.01 8 8.5 5.4 0.4 10 0.010
25... <0.02 0.5 <0.20 0.04 <0.01 <0.01 20 17 5.3 0.8 10 0.012
DEETHYL METHYL BEN- CAR- CARBO-
ALA- ATRA- ATRA- AZIN- FLUR- BUTYL- BARYL FURAN CYANA- DCPA
CHLOR, ZINE, ZINE, PHOS ALIN ATE, WATER WATER CHLOR- ZINE, WATER
WATER, WATER, WATER, WAT FLT WAT FLD WATER, FLTRD FLTRD PYRIFOS WATER, FLTRD P,P'
DISS, DISS, DISS, 0.7 U 0.7 U DISS, 0.7 U 0.7 U DIS- DISS, 0.7 U DDE
DATE REC, REC REC GF, REC GF, REC REC GF, REC GF, REC SOLVED REC GF, REC DISSOLV
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(46342) (39632) (04040) (82686) (82673) (04028) (82680) (82674) (38933) (04041) (82682) (34653)
OCT
24... -- -- -- -- -- -- -- -- -- -- -- --
NOV
21... <0.002 0.051 E0.034 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 <0.002 <0.006
DEC
05... <0.002 0.039 E0.019 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 <0.002 <0.006
JAN
16... <0.002 0.036 E0.019 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 <0.002 <0.006
FEB
06... -- -- -- -- -- -- -- -- -- -- -- --
27... <0.002 0.044 E0.019 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 E0.002 <0.006
MAR
13... -- -- -- -- -- -- -- -- -- -- -- --
27... -- -- -- -- -- -- -- -- -- -- -- --
APR
10... -- -- -- -- -- -- -- -- -- -- -- --
24... <0.002 0.035 E0.009 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 <0.002 <0.006
MAY
05... <0.002 0.039 E0.010 <0.080 <0.002 <0.002 <0.003 <0.003 <0.004 <0.004 <0.002 <0.006
22... 0.006 0.595 E0.031 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 0.045 E0.001 <0.006
JUN
05... 0.075 2.57 E0.072 <0.001 <0.002 <0.002 E0.012 <0.003 0.007 0.034 E0.001 <0.006
JUL
02... 0.138 1.63 E0.066 <0.001 <0.002 <0.002 E0.007 <0.003 0.106 0.035 <0.002 <0.006
10... 0.015 1.50 E0.065 <0.001 <0.002 <0.002 <0.003 <0.003 <0.004 0.035 <0.002 <0.006
31... 0.005 0.635 E0.071 <0.001 <0.002 <0.002 <0.003 <0.003 E0.004 0.024 <0.002 <0.006
AUG
14... <0.002 0.490 E0.056 <0.001 <0.002 <0.002 <0.003 <0.003 0.021 0.017 <0.002 <0.006
SEP
08... <0.002 0.346 E0.044 <0.100 <0.002 <0.002 <0.003 <0.003 <0.004 0.017 <0.002 <0.006
25... <0.002 0.276 E0.027 <0.080 <0.002 <0.002 E0.013 <0.003 <0.004 0.009 <0.002 <0.006
2,6-DI- DISUL- ETHAL- ETHO- LIN-
ETHYL FOTON EPTC FLUR- PROP URON
DI- DI- ANILINE WATER WATER ALIN WATER FONOFOS ALPHA WATER
AZINON, ELDRIN WAT FLT FLTRD FLTRD WAT FLT FLTRD WATER BHC LINDANE FLTRD
DIS- DIS- 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U DISS DIS- DIS- 0.7 U
DATE SOLVED SOLVED GF, REC GF, REC GF, REC GF, REC GF, REC REC SOLVED SOLVED GF, REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39572) (39381) (82660) (82677) (82668) (82663) (82672) (04095) (34253) (39341) (82666)
OCT
24... -- -- -- -- -- -- -- -- -- -- --
NOV
21... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
DEC
05... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
JAN
16... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
FEB
06... -- -- -- -- -- -- -- -- -- -- --
27... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
MAR
13... -- -- -- -- -- -- -- -- -- -- --
27... -- -- -- -- -- -- -- -- -- -- --
APR
10... -- -- -- -- -- -- -- -- -- -- --
24... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
MAY
05... 0.007 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
22... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
JUN
05... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
JUL
02... 0.040 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
10... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
31... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
AUG
14... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
SEP
08... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
25... <0.002 <0.001 <0.003 <0.017 <0.002 <0.004 <0.003 <0.003 <0.002 <0.004 <0.002
MOL- NAPROP- METHYL PEB- PENDI- PER-
METRI- INATE AMIDE PARA- ULATE METH- METHRIN PHORATE
MALA- METO- BUZIN WATER WATER PARA- THION WATER ALIN CIS WATER
THION, LACHLOR SENCOR FLTRD FLTRD THION, WAT FLT FILTRD WAT FLT WAT FLT FLTRD
DIS- WATER WATER 0.7 U 0.7 U DIS- 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U
DATE SOLVED DISSOLV DISSOLV GF, REC GF, REC SOLVED GF, REC GF, REC GF, REC GF, REC GF, REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39532) (39415) (82630) (82671) (82684) (39542) (82667) (82669) (82683) (82687) (82664)
OCT
24... -- -- -- -- -- -- -- -- -- -- --
NOV
21... <0.005 0.021 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
DEC
05... <0.005 0.023 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
JAN
16... <0.005 0.014 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
FEB
06... -- -- -- -- -- -- -- -- -- -- --
27... <0.005 0.009 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
MAR
13... -- -- -- -- -- -- -- -- -- -- --
27... -- -- -- -- -- -- -- -- -- -- --
APR
10... -- -- -- -- -- -- -- -- -- -- --
24... <0.005 0.016 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
MAY
05... <0.005 0.014 <0.010 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
22... <0.005 0.315 0.012 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
JUN
05... <0.005 1.51 0.120 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
JUL
02... <0.005 0.609 0.032 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
10... <0.005 0.843 0.033 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
31... <0.005 0.287 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
AUG
14... <0.005 0.174 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
SEP
08... <0.005 0.129 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
25... <0.005 0.108 <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.005 <0.002
PRON- PRO- PRO- TEBU- TER- TER- THIO- TRIAL-
PRO- AMIDE PROP- PANIL PARGITE SI- THIURON BACIL BUFOS BENCARB LATE
METON, WATER CHLOR, WATER WATER MAZINE, WATER WATER WATER WATER WATER
WATER, FLTRD WATER, FLTRD FLTRD WATER, FLTRD FLTRD FLTRD FLTRD FLTRD
DISS, 0.7 U DISS, 0.7 U 0.7 U DISS, 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U
DATE REC GF, REC REC GF, REC GF, REC REC GF, REC GF, REC GF, REC GF, REC GF, REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675) (82681) (82678)
OCT
24... -- -- -- -- -- -- -- -- -- -- --
NOV
21... <0.018 <0.003 <0.007 <0.004 <0.013 <0.005 <0.010 <0.007 <0.013 <0.002 <0.001
DEC
05... <0.018 <0.003 <0.007 <0.004 <0.013 <0.005 <0.010 <0.007 <0.013 <0.002 <0.001
JAN
16... E0.008 <0.003 <0.007 <0.004 <0.013 0.006 <0.010 <0.007 <0.013 <0.002 <0.001
FEB
06... -- -- -- -- -- -- -- -- -- -- --
27... <0.018 <0.003 <0.007 <0.004 <0.013 <0.005 <0.010 <0.007 <0.013 <0.002 <0.001
MAR
13... -- -- -- -- -- -- -- -- -- -- --
27... -- -- -- -- -- -- -- -- -- -- --
APR
10... -- -- -- -- -- -- -- -- -- -- --
24... E0.014 <0.003 <0.007 <0.004 <0.013 0.009 <0.010 <0.007 <0.013 <0.002 <0.001
MAY
05... E0.013 <0.003 <0.007 <0.004 <0.013 0.030 <0.010 E0.014 <0.013 <0.002 <0.001
22... E0.007 <0.003 <0.007 <0.004 <0.013 0.034 <0.010 <0.007 <0.013 <0.002 <0.001
JUN
05... E0.009 <0.003 <0.007 <0.004 <0.013 0.177 <0.010 <0.007 <0.013 <0.002 <0.001
JUL
02... <0.018 <0.003 <0.007 <0.004 <0.013 0.124 <0.010 <0.007 <0.013 <0.002 <0.001
10... 0.019 <0.003 <0.007 <0.004 <0.013 0.056 <0.010 <0.007 <0.013 <0.002 <0.001
31... E0.017 <0.003 <0.007 <0.004 <0.013 0.056 <0.010 <0.007 <0.013 <0.002 <0.001
AUG
14... E0.017 <0.003 <0.007 <0.004 <0.013 0.040 <0.010 <0.007 <0.013 <0.002 <0.001
SEP
08... 0.044 <0.003 <0.007 <0.004 <0.013 0.025 <0.010 <0.007 <0.013 <0.002 <0.001
25... E0.013 <0.003 <0.007 <0.004 <0.013 0.017 <0.010 <0.007 <0.013 <0.002 <0.001
U.S. Department of the Interior |
U.S. Geological Survey
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