USGS CD-ROM: Surface-Water Quality Tables

05587455 MISSISSIPPI RIVER BELOW GRAFTON, IL

LOCATION.--Lat 38°57'04", long 90°22'16", in sec.24, T.6 N., R.11 W., Jersey County, Hydrologic Unit 07110009, 11.3 mi above Lock and Dam 26, 19.0 mi above mouth of Missouri River, and at mile 214.6 upstream from the mouth of the Ohio River.

DRAINAGE AREA.--171,300 mi², approximately.

PERIOD OF RECORD.--March 1989 to current year. National stream-quality accounting network station 1989 to 1994. Illinois Environmental Protection Agency station November 1992 to current year.

WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS- PH OXYGEN, COLI- STREP- E. COLI ALKA-
CHARGE, SPE- WATER DIS- FORM, TOCOCCI WATER LINITY
INST. CIFIC WHOLE SOLVED FECAL, FECAL, WHOLE WAT DIS
CUBIC TEMPER- CON- FIELD TUR- OXYGEN, (PER- 0.7 KF AGAR TOTAL FIX END
FEET ATURE DUCT- (STAND- BID- DIS- CENT mM-MF (COLS. UREASE FIELD
DATE TIME PER WATER ANCE ARD ITY SOLVED SATUR- (COLS./ PER (COL / CaCO₃
SECOND (DEG C) (mS/cm) UNITS) (NTU) (mg/L) ATION) 100 mL) 100 mL) 100 mL) (mg/L)
(00061) (00010) (00095) (00400) (00076) (00300) (00301) (31625) (31673) (31633) (39036)
OCT
16... 1125 69500 18.4 434 8.05 10    9.2 97 K4 950 K6 150
NOV
12... 1335 63400 7.0 468 7.62 4.7 12.3 100 K22 K8 52 150
DEC
04... 1045 46100 5.4 544 8.65 6.5 9.2 71 110 54 130 170
JAN
22... 1020 79500 0.6 470 8.14 23    14.0 95 83 K76 54 180
FEB
17... 1225 108000 4.2 303 7.97 63    13.7 105 200 210 100 150
MAR
17... 1015 126000 3.8 466 8.03 34    13.0 97 K45 3000 K28 140
23... 1315 197000 3.3 435 7.92 90    13.3 99 190 5800 190 150
APR
14... 1110 329000 13.8 607 7.91 37    10.4 100 K77 220 120 140
MAY
05... 1010 250000 14.0 497 8.09 42    9.7 93 190 100 150 160
19... 0935 173000 22.3 544 8.10 30    7.4 83 78 15 68 160
JUN
02... 0945 192000 23.3 522 7.92 33    7.3 86 44 K11 58 170
15... 1250 221000 21.8 495 8.13 100    6.9 78 1400 3000 1700 160
JUL
06... 1340 286000 27.5 459 7.99 56    5.7 71 K150 500 540 150
AUG
12... 1055 118000 26.9 440 8.09 32    7.4 91 110 K20 -- 150
SEP
01... 1045 93700 25.9 466 8.09 14    6.7 82 K29 230 K24 160

WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
		DIS-			PH			OXYGEN,	COLI-	STREP-	E. COLI	ALKA-
		CHARGE,		SPE-	WATER			DIS-	FORM,	TOCOCCI	WATER	LINITY
		INST.		CIFIC	WHOLE			SOLVED	FECAL,	FECAL,	WHOLE	WAT DIS
		CUBIC	TEMPER-	CON-	FIELD	TUR-	OXYGEN,	(PER-	0.7	KF AGAR	TOTAL	FIX END
		FEET	ATURE	DUCT-	(STAND-	BID-	DIS-	CENT	mM-MF	(COLS.	UREASE	FIELD
DATE	TIME	PER	WATER	ANCE	ARD	ITY	SOLVED	SATUR-	(COLS./	PER	(COL /	CaCO₃
		SECOND	(DEG C)	(mS/cm)	UNITS)	(NTU)	(mg/L)	ATION)	100 mL)	100 mL)	100 mL)	(mg/L)
		(00061)	(00010)	(00095)	(00400)	(00076)	(00300)	(00301)	(31625)	(31673)	(31633)	(39036)
OCT
16...	1125	69500	18.4	434	8.05	10	9.2	97	K4	950	K6	150
NOV
12...	1335	63400	7.0	468	7.62	4.7	12.3	100	K22	K8	52	150
DEC
04...	1045	46100	5.4	544	8.65	6.5	9.2	71	110	54	130	170
JAN
22...	1020	79500	0.6	470	8.14	23	14.0	95	83	K76	54	180
FEB
17...	1225	108000	4.2	303	7.97	63	13.7	105	200	210	100	150
MAR
17...	1015	126000	3.8	466	8.03	34	13.0	97	K45	3000	K28	140
23...	1315	197000	3.3	435	7.92	90	13.3	99	190	5800	190	150
APR
14...	1110	329000	13.8	607	7.91	37	10.4	100	K77	220	120	140
MAY
05...	1010	250000	14.0	497	8.09	42	9.7	93	190	100	150	160
19...	0935	173000	22.3	544	8.10	30	7.4	83	78	15	68	160
JUN
02...	0945	192000	23.3	522	7.92	33	7.3	86	44	K11	58	170
15...	1250	221000	21.8	495	8.13	100	6.9	78	1400	3000	1700	160
JUL
06...	1340	286000	27.5	459	7.99	56	5.7	71	K150	500	540	150
AUG
12...	1055	118000	26.9	440	8.09	32	7.4	91	110	K20	--	150
SEP
01...	1045	93700	25.9	466	8.09	14	6.7	82	K29	230	K24	160

ALKA- BICAR- CAR- NITRO- NITRO- NITRO- NITRO- NITRO- NITRO-
LINITY BONATE BONATE NITRO- NITRO- GEN, GEN, GEN, GEN,AM- GEN,AM- GEN,
WAT DIS WATER WATER NITRO- GEN GEN, AMMONIA NITRITE NITRATE MONIA + MONIA + NO₂+NO₃
TOT IT DIS IT DIS IT GEN, DIS- ORGANIC DIS- DIS- DIS- ORGANIC ORGANIC DIS-
FIELD FIELD FIELD TOTAL SOLVED TOTAL SOLVED SOLVED SOLVED DIS. TOTAL SOLVED
DATE (mg/L as (mg/L as (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L
CaCO₃) HCO₃) as CO₃) as N) as N) as N) as N) as N) as N) as N) as N) as N)
(39086) (00453) (00452) (00600) (00602) (00605) (00608) (00613) (00618) (00623) (00625) (00631)
OCT
16... 147 180 0 1.8 1.6 0.54 0.041 0.045 1.14 0.37 0.58 1.19
NOV
12... 154 188 0 3.0 2.9 --      <0.020 0.023 2.41 0.45 0.53 2.43
DEC
04... 166 178 12 2.7 2.4 --      <0.020 0.014 2.05 0.37 0.63 2.06
JAN
22... 175 214 0 5.6 5.4 0.61 0.098 0.037 4.88 0.49 0.71 4.92
FEB
17... 154 188 0 5.3 4.6 1.0   0.074 0.023 4.22 0.38 1.1   4.24
MAR
17... 144 175 0 5.1 4.6 1.0   0.058 0.027 4.02 0.52 1.1   4.05
23... 146 178 0 5.3 4.7 1.0   0.130 0.022 4.16 0.54 1.1   4.18
APR
14... 139 170 0 5.6 5.3 0.84 0.049 0.037 4.71 0.51 0.89 4.75
MAY
05... 160 196 0 6.1 5.5 1.0   0.039 0.035 4.99 0.46 1.1   5.02
19... 162 198 0 6.4 5.9 0.96 0.055 0.078 5.30 0.48 1.0   5.38
JUN
02... 167 204 0 5.9 5.2 0.96 0.053 0.197 4.66 0.39 1.0   4.85
15... 155 189 0 7.0 5.9 1.5   0.029 0.098 5.37 0.47 1.6   5.47
JUL
06... 148 181 0 5.6 5.0 --      <0.020 0.030 4.55 0.43 1.0   4.58
AUG
12... 152 185 0 3.0 3.0 0.47 0.084 0.062 2.35 0.57 0.55 2.41
SEP
01... 166 203 0 2.7 2.1 --      <0.020 0.070 1.50 0.49 1.2   1.57

PHOS- PHOS- CARBON, HARD- HARD-
PHATE, PHOS- PHORUS CARBON, ORGANIC HARD- NESS NESS MAGNE-
ORTHO, PHOS- PHORUS ORTHO, ORGANIC SUS- NESS NONCARB NONCARB CALCIUM SIUM, SODIUM,
DIS- PHORUS DIS- DIS- DIS- PENDED TOTAL DISSOLV DISSOLV DIS- DIS- DIS-
SOLVED TOTAL SOLVED SOLVED SOLVED TOTAL (mg/L FLD. as LAB as SOLVED SOLVED SOLVED
DATE (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L as CaCO₃ CaCO₃ (mg/L (mg/L (mg/L
as PO₄) as P) as P) as P) as C) as C) CaCO₃) (mg/L) (mg/L) as Ca) as Mg) as Na)
(00660) (00665) (00666) (00671) (00681) (00689) (00900) (00904) (00905) (00915) (00925) (00930)
OCT
16... 0.40 0.173 0.141 0.129 5.4 1.1   200 49 -- 44 21 18
NOV
12... 0.38 0.137 0.115 0.123 5.0 0.70 200 42 -- 47 20 18
DEC
04... 0.31 0.133 0.093 0.101 4.7 1.1   220 49 -- 51 21 21
JAN
22... 0.28 0.179 0.092 0.092 4.9 0.70 250 70 -- 58 25 28
FEB
17... 0.25 0.313 0.086 0.083 5.0 1.9   220 68 -- 54 22 19
MAR
17... 0.25 0.248 0.086 0.080 5.7 2.0   190 47 -- 46 18 14
23... 0.28 0.313 0.090 0.090 4.5 3.0   180 38 50 45 17 13
APR
14... 0.25 0.282 0.108 0.081 5.1 1.6   190 -- -- 47 17 10
MAY
05... 0.24 0.283 0.079 0.077 5.7 3.0   230 67 -- 57 21 10
19... 0.15 0.269 0.071 0.049 4.5 1.6   240 73 67 56 23 14
JUN
02... 0.36 0.282 0.118 0.117 4.8 1.3   230 66 -- 54 24 13
15... 0.43 0.570 0.167 0.140 4.3 2.2   220 66 56 54 21 12
JUL
06... 0.47 0.373 0.143 0.153 5.6 1.9   190 41 -- 47 17 8.7
AUG
12... 0.41 0.186 0.130 0.133 5.2 1.2   200 49 -- 47 20 14
SEP
01... 0.39 0.229 0.148 0.127 7.3 0.90 200 35 -- 45 22 14

SOLIDS, SOLIDS, SED.
POTAS- CHLO- FLUO- SILICA, RESIDUE SUM OF SOLIDS, SUSP.
SODIUM SIUM, RIDE, SULFATE RIDE, DIS- AT 180 CONSTI- DIS- SIEVE SEDI-
AD- DIS- DIS- DIS- DIS- SOLVED DEG. C TUENTS, SOLVED DIAM. MENT,
SORP- SOLVED SOLVED SOLVED SOLVED (mg/L DIS- DIS- (TONS % FINER SUS-
DATE TION SODIUM (mg/L (mg/L (mg/L (mg/L as SOLVED SOLVED PER THAN PENDED
RATIO PERCENT as K) as Cl) as SO₄) as F) SiO2) (mg/L) (mg/L) DAY) 0.062 mm (mg/L)
(00931) (00932) (00935) (00940) (00945) (00950) (00955) (70300) (70301) (70302) (70331) (80154)
OCT
16... 0.6 16 3.3 27 34 0.29 8.6 269 250 50500 97 57
NOV
12... 0.6 16 3.3 28 34 0.18 7.7 281 261 48100 93 58
DEC
04... 0.6 17 3.0 31 37 0.22 7.2 298 280 37100 90 74
JAN
22... 0.8 20 3.3 51 45 0.26 7.7 362 344 77700 91 132
FEB
17... 0.6 16 2.9 30 39 0.14 7.9 304 286 88600 96 250
MAR
17... 0.5 14 3.4 25 33 0.18 8.5 275 254 93600 71 313
23... 0.4 13 3.3 22 31 0.19 9.0 255 249 136000 88 463
APR
14... 0.3 10 3.4 19 29 0.18 10 249 242 221000 79 162
MAY
05... 0.3 9 3.0 21 42 0.17 8.3 302 282 204000 89 423
19... 0.4 12 3.2 27 46 0.25 5.5 320 297 149000 91 213
JUN
02... 0.4 11 3.0 24 45 0.24 7.0 315 293 163000 94 182
15... 0.3 10 3.5 20 37 0.25 9.7 323 275 193000 96 488
JUL
06... 0.3 9 3.6 16 25 0.25 13 264 241 204000 89 245
AUG
12... 0.4 13 3.2 23 34 0.30 8.4 272 252 86700 95 143
SEP
01... 0.4 13 2.9 23 30 0.21 7.0 275 250 69600 98 100

2,6-DI- METHYL BEN- CAR- CARBO-
ETHYL ACETO- ALA- ATRA- AZIN- FLUR- BUTYL- BARYL FURAN CYANA- DCPA
ANILINE CHLOR, CHLOR, ZINE, PHOS ALIN ATE, WATER WATER CHLOR- ZINE, WATER
WAT FLT WATER WATER, WATER, WAT FLT WAT FLD WATER, FLTRD FLTRD PYRIFOS WATER, FLTRD
0.7 m FLTRD DISS, DISS, 0.7 m 0.7 m DISS, 0.7 m 0.7 m DIS- DISS, 0.7 m
DATE GF, REC REC REC, REC GF, REC GF, REC REC GF, REC GF, REC SOLVED REC GF, REC
(mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
(82660) (49260) (46342) (39632) (82686) (82673) (04028) (82680) (82674) (38933) (04041) (82682)
OCT
16... <0.003   0.340 0.010 0.196 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.008 <0.002
NOV
12... <0.003   0.061 0.103 0.211 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.008 <0.002
DEC
04... <0.003   <0.002 0.006 0.080 <0.001 <0.002 <0.002 <0.010 <0.003   <0.004 <0.004 <0.002
JAN
22... <0.003   0.085 0.007 0.144 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 <0.004 <0.002
FEB
17... <0.003   0.042 0.008 0.106 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.019 <0.002
MAR
17... <0.003   0.036 0.014 0.111 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 <0.004 <0.002
23... <0.003   0.040 0.014 0.147 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.029 <0.002
APR
14... <0.003   0.016 0.010 0.102 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.007 <0.002
MAY
05... <0.003   0.774 0.030 2.31   <0.001 <0.002 <0.002 <0.003 <0.003   <0.010 0.156 <0.002
19... <0.003   1.80   0.065 4.12   <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.548 <0.002
JUN
02... <0.003   0.879 0.029 3.16   <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.284 <0.002
15... <0.003   0.901 0.069 5.96   <0.001 <0.002 <0.002 <0.003 E0.024   <0.020 0.318 <0.002
JUL
06... <0.003   0.183 0.035 1.86   <0.001 <0.002 <0.002 <0.003 E0.0248 <0.004 0.290 <0.002
AUG
12... <0.003   0.019 0.007 0.536 <0.001 <0.002 <0.002 <0.003 <0.003   <0.004 0.083 <0.002
SEP
01... 0.0047 0.016 0.004 0.226 <0.001 <0.002 <0.002 E0.043 <0.003   <0.004 0.012 0.016

DEETHYL DISUL- ETHAL- ETHO- LIN-
ATRA- FOTON EPTC FLUR- PROP URON
ZINE, DI- DI- WATER WATER ALIN WATER FONOFOS WATER MALA- METO-
WATER, AZINON, ELDRIN FLTRD FLTRD WAT FLT FLTRD WATER LINDANE FLTRD THION, LACHLOR
DISS, DIS- DIS- 0.7 m 0.7 m 0.7 m 0.7 m DISS DIS- 0.7 m DIS- WATER
DATE REC SOLVED SOLVED GF, REC GF, REC GF, REC GF, REC REC SOLVED GF, REC SOLVED DISSOLV
(mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
(04040) (39572) (39381) (82677) (82668) (82663) (82672) (04095) (39341) (82666) (39532) (39415)
OCT
16... E0.020 E0.003 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.028
NOV
12... E0.006 E0.004 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.093
DEC
04... E0.005 0.005 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.055
JAN
22... E0.005 E0.004 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.142
FEB
17... E0.018 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.088
MAR
17... E0.019 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.118
23... E0.039 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.313
APR
14... E0.006 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.109
MAY
05... E0.016 E0.004 <0.001 <0.017 0.004 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 1.42
19... E0.033 0.005 <0.001 <0.017 0.005 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 2.82
JUN
02... E0.035 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 1.36
15... E0.082 E0.004 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 1.75
JUL
06... E0.198 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.809
AUG
12... E0.089 <0.002 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.194
SEP
01... E0.017 0.007 <0.001 <0.017 <0.002 <0.004 <0.003 <0.003 <0.004 <0.002 <0.005 0.064

MOL- NAPROP- METHYL PEB- PENDI- PRO- PRO-
METRI- INATE AMIDE PARA- ULATE METH- PHORATE PRO- PROP- PANIL PARGITE
BUZIN WATER WATER PARA- THION WATER ALIN WATER METON, CHLOR, WATER WATER
SENCOR FLTRD FLTRD THION, WAT FLT FILTRD WAT FLT FLTRD WATER, WATER, FLTRD FLTRD
WATER 0.7 m 0.7 m DIS- 0.7 m 0.7 m 0.7 m 0.7 m DISS, DISS, 0.7 m 0.7 m
DATE DISSOLV GF, REC GF, REC SOLVED GF, REC GF, REC GF, REC GF, REC REC REC GF, REC GF, REC
(mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
(82630) (82671) (82684) (39542) (82667) (82669) (82683) (82664) (04037) (04024) (82679) (82685)
OCT
16... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.008 <0.007 <0.004 <0.013
NOV
12... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.007 <0.007 <0.004 <0.013
DEC
04... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.008 <0.007 <0.004 <0.013
JAN
22... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.006 <0.007 <0.004 <0.013
FEB
17... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.003 <0.007 <0.004 <0.013
MAR
17... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 <0.018 <0.007 <0.004 <0.013
23... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 <0.018 <0.007 <0.004 <0.013
APR
14... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.006 <0.007 <0.004 <0.013
MAY
05... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.010 <0.007 <0.004 <0.013
19... <0.010 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.016 <0.007 <0.004 <0.013
JUN
02... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.016 <0.007 <0.004 <0.013
15... 0.021 <0.004 <0.003 <0.004 <0.006 <0.004 0.023 <0.002 E0.010 <0.007 <0.004 <0.013
JUL
06... 0.013 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.013 <0.007 <0.004 <0.013
AUG
12... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.015 <0.007 <0.004 <0.013
SEP
01... <0.004 <0.004 <0.003 <0.004 <0.006 <0.004 <0.004 <0.002 E0.011 <0.007 <0.004 <0.013

PRON- TEBU- TER- TER- THIO- TRIAL- TRI- PER-
AMIDE SI- THIURON BACIL BUFOS BENCARB LATE FLUR- METHRIN
WATER MAZINE, WATER WATER WATER WATER WATER ALIN ALPHA CIS
FLTRD WATER, FLTRD FLTRD FLTRD FLTRD FLTRD WAT FLT BHC WAT FLT P,P'
0.7 m DISS, 0.7 m 0.7 m 0.7 m 0.7 m 0.7 m 0.7 m DIS- 0.7 m DDE
DATE GF, REC REC GF, REC GF, REC GF, REC GF, REC GF, REC GF, REC SOLVED GF, REC DISSOLV
(mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
(82676) (04035) (82670) (82665) (82675) (82681) (82678) (82661) (34253) (82687) (34653)
OCT
16... <0.003 0.008 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
NOV
12... <0.003 E0.004 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
DEC
04... <0.003 E0.004 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
JAN
22... <0.003 <0.005 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
FEB
17... <0.003 E0.004 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
MAR
17... <0.003 <0.005 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
23... <0.003 0.006 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
APR
14... <0.020 <0.005 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
MAY
05... <0.003 0.028 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
19... <0.003 0.034 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
JUN
02... <0.003 0.026 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
15... <0.003 0.036 <0.010 <0.007 <0.013 <0.002 <0.001 E0.002 <0.002 <0.005 <0.006
JUL
06... <0.003 0.015 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
AUG
12... <0.003 <0.010 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 <0.006
SEP
01... <0.003 0.006 <0.010 <0.007 <0.013 <0.002 <0.001 <0.002 <0.002 <0.005 E0.001

E - Laboratory estimated value.
K - Results based on colony count outside the acceptable range (non-ideal colony count).

	ALKA-	BICAR-	CAR-				NITRO-	NITRO-	NITRO-	NITRO-	NITRO-	NITRO-
	LINITY	BONATE	BONATE		NITRO-	NITRO-	GEN,	GEN,	GEN,	GEN,AM-	GEN,AM-	GEN,
	WAT DIS	WATER	WATER	NITRO-	GEN	GEN,	AMMONIA	NITRITE	NITRATE	MONIA +	MONIA +	NO₂+NO₃
	TOT IT	DIS IT	DIS IT	GEN,	DIS-	ORGANIC	DIS-	DIS-	DIS-	ORGANIC	ORGANIC	DIS-
	FIELD	FIELD	FIELD	TOTAL	SOLVED	TOTAL	SOLVED	SOLVED	SOLVED	DIS.	TOTAL	SOLVED
DATE	(mg/L as	(mg/L as	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L
	CaCO₃)	HCO₃)	as CO₃)	as N)	as N)	as N)	as N)	as N)	as N)	as N)	as N)	as N)
	(39086)	(00453)	(00452)	(00600)	(00602)	(00605)	(00608)	(00613)	(00618)	(00623)	(00625)	(00631)
OCT
16...	147	180	0	1.8	1.6	0.54	0.041	0.045	1.14	0.37	0.58	1.19
NOV
12...	154	188	0	3.0	2.9	--	<0.020	0.023	2.41	0.45	0.53	2.43
DEC
04...	166	178	12	2.7	2.4	--	<0.020	0.014	2.05	0.37	0.63	2.06
JAN
22...	175	214	0	5.6	5.4	0.61	0.098	0.037	4.88	0.49	0.71	4.92
FEB
17...	154	188	0	5.3	4.6	1.0	0.074	0.023	4.22	0.38	1.1	4.24
MAR
17...	144	175	0	5.1	4.6	1.0	0.058	0.027	4.02	0.52	1.1	4.05
23...	146	178	0	5.3	4.7	1.0	0.130	0.022	4.16	0.54	1.1	4.18
APR
14...	139	170	0	5.6	5.3	0.84	0.049	0.037	4.71	0.51	0.89	4.75
MAY
05...	160	196	0	6.1	5.5	1.0	0.039	0.035	4.99	0.46	1.1	5.02
19...	162	198	0	6.4	5.9	0.96	0.055	0.078	5.30	0.48	1.0	5.38
JUN
02...	167	204	0	5.9	5.2	0.96	0.053	0.197	4.66	0.39	1.0	4.85
15...	155	189	0	7.0	5.9	1.5	0.029	0.098	5.37	0.47	1.6	5.47
JUL
06...	148	181	0	5.6	5.0	--	<0.020	0.030	4.55	0.43	1.0	4.58
AUG
12...	152	185	0	3.0	3.0	0.47	0.084	0.062	2.35	0.57	0.55	2.41
SEP
01...	166	203	0	2.7	2.1	--	<0.020	0.070	1.50	0.49	1.2	1.57

	PHOS-			PHOS-		CARBON,		HARD-	HARD-
	PHATE,		PHOS-	PHORUS	CARBON,	ORGANIC	HARD-	NESS	NESS		MAGNE-
	ORTHO,	PHOS-	PHORUS	ORTHO,	ORGANIC	SUS-	NESS	NONCARB	NONCARB	CALCIUM	SIUM,	SODIUM,
	DIS-	PHORUS	DIS-	DIS-	DIS-	PENDED	TOTAL	DISSOLV	DISSOLV	DIS-	DIS-	DIS-
	SOLVED	TOTAL	SOLVED	SOLVED	SOLVED	TOTAL	(mg/L	FLD. as	LAB as	SOLVED	SOLVED	SOLVED
DATE	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	as	CaCO₃	CaCO₃	(mg/L	(mg/L	(mg/L
	as PO₄)	as P)	as P)	as P)	as C)	as C)	CaCO₃)	(mg/L)	(mg/L)	as Ca)	as Mg)	as Na)
	(00660)	(00665)	(00666)	(00671)	(00681)	(00689)	(00900)	(00904)	(00905)	(00915)	(00925)	(00930)
OCT
16...	0.40	0.173	0.141	0.129	5.4	1.1	200	49	--	44	21	18
NOV
12...	0.38	0.137	0.115	0.123	5.0	0.70	200	42	--	47	20	18
DEC
04...	0.31	0.133	0.093	0.101	4.7	1.1	220	49	--	51	21	21
JAN
22...	0.28	0.179	0.092	0.092	4.9	0.70	250	70	--	58	25	28
FEB
17...	0.25	0.313	0.086	0.083	5.0	1.9	220	68	--	54	22	19
MAR
17...	0.25	0.248	0.086	0.080	5.7	2.0	190	47	--	46	18	14
23...	0.28	0.313	0.090	0.090	4.5	3.0	180	38	50	45	17	13
APR
14...	0.25	0.282	0.108	0.081	5.1	1.6	190	--	--	47	17	10
MAY
05...	0.24	0.283	0.079	0.077	5.7	3.0	230	67	--	57	21	10
19...	0.15	0.269	0.071	0.049	4.5	1.6	240	73	67	56	23	14
JUN
02...	0.36	0.282	0.118	0.117	4.8	1.3	230	66	--	54	24	13
15...	0.43	0.570	0.167	0.140	4.3	2.2	220	66	56	54	21	12
JUL
06...	0.47	0.373	0.143	0.153	5.6	1.9	190	41	--	47	17	8.7
AUG
12...	0.41	0.186	0.130	0.133	5.2	1.2	200	49	--	47	20	14
SEP
01...	0.39	0.229	0.148	0.127	7.3	0.90	200	35	--	45	22	14

								SOLIDS,	SOLIDS,		SED.
			POTAS-	CHLO-		FLUO-	SILICA,	RESIDUE	SUM OF	SOLIDS,	SUSP.
	SODIUM		SIUM,	RIDE,	SULFATE	RIDE,	DIS-	AT 180	CONSTI-	DIS-	SIEVE	SEDI-
	AD-		DIS-	DIS-	DIS-	DIS-	SOLVED	DEG. C	TUENTS,	SOLVED	DIAM.	MENT,
	SORP-		SOLVED	SOLVED	SOLVED	SOLVED	(mg/L	DIS-	DIS-	(TONS	% FINER	SUS-
DATE	TION	SODIUM	(mg/L	(mg/L	(mg/L	(mg/L	as	SOLVED	SOLVED	PER	THAN	PENDED
	RATIO	PERCENT	as K)	as Cl)	as SO₄)	as F)	SiO2)	(mg/L)	(mg/L)	DAY)	0.062 mm	(mg/L)
	(00931)	(00932)	(00935)	(00940)	(00945)	(00950)	(00955)	(70300)	(70301)	(70302)	(70331)	(80154)
OCT
16...	0.6	16	3.3	27	34	0.29	8.6	269	250	50500	97	57
NOV
12...	0.6	16	3.3	28	34	0.18	7.7	281	261	48100	93	58
DEC
04...	0.6	17	3.0	31	37	0.22	7.2	298	280	37100	90	74
JAN
22...	0.8	20	3.3	51	45	0.26	7.7	362	344	77700	91	132
FEB
17...	0.6	16	2.9	30	39	0.14	7.9	304	286	88600	96	250
MAR
17...	0.5	14	3.4	25	33	0.18	8.5	275	254	93600	71	313
23...	0.4	13	3.3	22	31	0.19	9.0	255	249	136000	88	463
APR
14...	0.3	10	3.4	19	29	0.18	10	249	242	221000	79	162
MAY
05...	0.3	9	3.0	21	42	0.17	8.3	302	282	204000	89	423
19...	0.4	12	3.2	27	46	0.25	5.5	320	297	149000	91	213
JUN
02...	0.4	11	3.0	24	45	0.24	7.0	315	293	163000	94	182
15...	0.3	10	3.5	20	37	0.25	9.7	323	275	193000	96	488
JUL
06...	0.3	9	3.6	16	25	0.25	13	264	241	204000	89	245
AUG
12...	0.4	13	3.2	23	34	0.30	8.4	272	252	86700	95	143
SEP
01...	0.4	13	2.9	23	30	0.21	7.0	275	250	69600	98	100

	PRON-		TEBU-	TER-	TER-	THIO-	TRIAL-	TRI-		PER-
	AMIDE	SI-	THIURON	BACIL	BUFOS	BENCARB	LATE	FLUR-		METHRIN
	WATER	MAZINE,	WATER	WATER	WATER	WATER	WATER	ALIN	ALPHA	CIS
	FLTRD	WATER,	FLTRD	FLTRD	FLTRD	FLTRD	FLTRD	WAT FLT	BHC	WAT FLT	P,P'
	0.7 m	DISS,	0.7 m	0.7 m	0.7 m	0.7 m	0.7 m	0.7 m	DIS-	0.7 m	DDE
DATE	GF, REC	REC	GF, REC	GF, REC	GF, REC	GF, REC	GF, REC	GF, REC	SOLVED	GF, REC	DISSOLV
	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)
	(82676)	(04035)	(82670)	(82665)	(82675)	(82681)	(82678)	(82661)	(34253)	(82687)	(34653)
OCT
16...	<0.003	0.008	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
NOV
12...	<0.003	E0.004	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
DEC
04...	<0.003	E0.004	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
JAN
22...	<0.003	<0.005	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
FEB
17...	<0.003	E0.004	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
MAR
17...	<0.003	<0.005	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
23...	<0.003	0.006	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
APR
14...	<0.020	<0.005	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
MAY
05...	<0.003	0.028	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
19...	<0.003	0.034	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
JUN
02...	<0.003	0.026	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
15...	<0.003	0.036	<0.010	<0.007	<0.013	<0.002	<0.001	E0.002	<0.002	<0.005	<0.006
JUL
06...	<0.003	0.015	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
AUG
12...	<0.003	<0.010	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	<0.006
SEP
01...	<0.003	0.006	<0.010	<0.007	<0.013	<0.002	<0.001	<0.002	<0.002	<0.005	E0.001