07022000 DATA: Chemical and Microbiological Tables, 2002

Station list Available data
LOWER MISSISSIPPI RIVER BASIN

07022000 MISSISSIPPI RIVER AT THEBES, IL

	(National Stream-Quality Accounting Network Station)

LOCATION.-- Lat 37°13'00", long 89°27'50" (NAD of 1927), in NW 1/4 sec.17, T.15 S., R.3 W., Alexander County, Hydrologic Unit 07140105, near center span on downstream side of railroad bridge at Thebes, 5.0 mi downstream from Headwater Diversion Channel, and at mile 43.7 above Ohio River.

DRAINAGE AREA.-- 713,200 mi², approximately.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1932 to current year. Monthly discharge only for some periods, published in WSP 1311. Prior to April 1941, published as "at Cape Girardeau, Mo".
	STAGE: March 1933 to February 1938 and October 1939 to current year in reports of the U.S. Geological Survey. Prior to April 1941, published as "at Cape Girardeau, Mo". Since November 1878, under name of "at Grays Point" in files of the U.S. Army Corps of Engineers; January 1879 to May of 1896, published as "at Grays Point"; since May 1896, published as "at Cape Girardeau" in reports of the Mississippi River Commission February 1891 to February 1894; and since 1904, published as "at Cape Girardeau" in reports of the National Weather Service.
SURFACE-WATER QUALITY
	CHEMICAL: January 1973 to current year.
	SEDIMENT: October 1980 to current year.
	SPECIFIC CONDUCTANCE: October 1974 to September 1981.
	WATER TEMPERATURE: October 1974 to September 1981.

REVISED RECORDS.-- WSP 1341: 1844(M). WDR MO-76-1: Drainage area, WDR MO-98-1: Extreme outside period of record.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and telemark. Datum of gage is 300.00 ft above NGVD of 1929. Mar. 17, 1933, to Dec. 21 1934, nonrecording gage; Dec. 22, 1934, to Apr. 4, 1941, water-stage recorder, at site 8.2 mi upstream at datum 4.65 ft higher; Apr. 5, 1941, to Sept. 30, 1941, nonrecording gage at present site and datum; Oct. 1, 1941, to Oct. 11, 1943, at datum 0.07 ft higher. Prior to Apr. 5, 1941, various auxiliary gages used. Since Oct. 1, 1943, former gage at Cape Girardeau used as auxiliary gage.

REMARKS.-- Natural flow of stream affected by many reservoirs and navigation dams in the upper Mississippi River Basin and by many reservoirs and diversions for irrigation in the Missouri River Basin. NASQAN station January 1973 to September 1986. Illinois Environmental Protection Agency station October 1986 to September 1994 (during the period, samples were analyzed by the Illinois EPA). Re-established as a NASQAN station October 1994 to current year.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 996,000 ft³/s, August 7, 1993; maximum gage height, 45.91 ft, May 23, 1995; minimum discharge, 23,400 ft³/s, December 13, 1937.
SPECIFIC CONDUCTANCE: Maximum daily, 705 microsiemens per centimeter, Aug. 5-7, 1980; minimum daily, 272 microsiemens per centimeter, Apr. 6, 1979.
WATER TEMPERATURE: Maximum daily, 31.5 °C, July 10 and 11, 1975, and July 17, 1977; minimum daily, 0.0 °C, on several days during winter periods.
SUSPENDED-SEDIMENT CONCENTRATONS: Maximum daily mean, 3,890 mg/L, Dec. 22, 1985; minimum daily mean, 13 mg/L, Jan. 28, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 6,280,000 tons, Mar. 1, 1985; minimum daily, 2,530 tons, Jan. 28, 1981.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of July 4, 1844, reached an elevation of 345.14 ft, present datum, at Grays Point, from floodmarks, discharge, 1,075,000 ft³/s, computed by the U.S. Army Corps of Engineers.

SURFACE-WATER QUALITY, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
			DIS-		UV	UV		OXYGEN,	pH
			CHARGE,		ABSORB-	ABSORB-		DIS-	WATER	SPE-		HARD-
			INST.	TURBID-	ANCE	ANCE		SOLVED	WHOLE	CIFIC		NESS
			(cubic	ITY LAB	254 NM,	280 NM,	OXYGEN,	(per-	FIELD	CON-	TEMPER-	TOTAL
		SAMPLE	feet	HACH	WTR FLT	WTR FLT	DIS-	cent	(stand-	DUCT-	ATURE	(mg/L
DATE	TIME	TYPE	per	2100AN	(units	(units	SOLVED	satur-	ard	ANCE	WATER	as
			second)	(NTU)	/cm)	/cm)	(mg/L)	ation)	units)	(mS/cm)	(deg C)	CaCO₃)
			(00061)	(99872)	(50624)	(61726)	(00300)	(00301)	(00400)	(00095)	(00010)	(00900)
OCT
17...	1415	ENVIRONMENTAL	144000	39	.127	.093	11.2	114	8.0	501	16.2	180
NOV
26...	1510	ENVIRONMENTAL	117000	31	.098	.069	8.8	86	8.0	623	12.4	230
JAN
14...	1500	ENVIRONMENTAL	108000	18	.118	.085	19.8	151	7.9	577	2.5	240
FEB
13...	1355	ENVIRONMENTAL	149000	45	.104	.076	13.6	108	8.3	533	4.7	220
MAR
06...	1420	ENVIRONMENTAL	158000	53	.115	.086	13.8	105	8.1	564	3.8	220
06...	1428	BLANK	--	--	--	--	--	--	--	--	--	--
25...	1455	ENVIRONMENTAL	211000	45	--	--	11.2	94	7.7	543	7.4	220
APR
03...	1340	ENVIRONMENTAL	179000	59	.108	.079	11.5	100	8.4	524	9.3	210
03...	1350	REPLICATE	--	63	.111	.082	--	--	--	--	--	210
15...	1335	ENVIRONMENTAL	244000	96	.136	.101	8.6	86	8.1	463	14.9	190
29...	1410	ENVIRONMENTAL	376000	260	.159	.117	7.8	79	7.8	387	15.5	160
MAY
09...	1010	ENVIRONMENTAL	504000	240	.166	.124	7.0	75	7.8	366	17.8	150
14...	1050	ENVIRONMENTAL	751000	370	.193	.146	5.4	58	7.8	270	18.0	120
JUN
12...	1300	ENVIRONMENTAL	377000	110	.144	.105	6.0	73	8.0	433	24.6	180
JUL
10...	1510	ENVIRONMENTAL	197000	36	.144	.104	6.6	91	8.2	500	30.7	200
10...	1518	BLANK	--	--	--	--	--	--	--	--	--	--
10...	1520	REPLICATE	--	27	.144	.104	--	--	--	--	--	200
AUG
14...	1415	ENVIRONMENTAL	128000	45	.154	.111	6.5	84	8.2	491	27.4	200
14...	1425	REPLICATE	--	38	.155	.112	6.9	88	8.3	503	27.5	200
SEP
11...	1305	ENVIRONMENTAL	123000	30	.148	.106	7.2	93	8.3	517	27.9	200
11...	1313	BLANK	--	--	--	--	--	--	--	--	--	--

					ALKA-	ALKA-	BICAR-	CAR-					SOLIDS,
		MAGNE-	POTAS-		LINITY	LINITY	BONATE	BONATE	CHLO-	FLUO-	SILICA,		RESIDUE
	CALCIUM	SIUM,	SIUM,	SODIUM,	WAT DIS	WAT DIS	WATER	WATER	RIDE,	RIDE,	DIS-	SULFATE	AT 180
	DIS-	DIS-	DIS-	DIS-	FIX END	TOT IT	DIS IT	DIS IT	DIS-	DIS-	SOLVED	DIS-	DEG. C
	SOLVED	SOLVED	SOLVED	SOLVED	FIELD	FIELD	FIELD	FIELD	SOLVED	SOLVED	(mg/L	SOLVED	DIS-
DATE	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L as	(mg/L as	(mg/L as	(mg/L	(mg/L	(mg/L	as	(mg/L	SOLVED
	as Ca)	as Mg)	as K)	as Na)	CaCO₃)	CaCO₃)	HCO₃)	as CO₃)	as Cl)	as F)	SiO2)	as SO₄)	(mg/L)
	(00915)	(00925)	(00935)	(00930)	(39036)	(39086)	(00453)	(00452)	(00940)	(00950)	(00955)	(00945)	(70300)
OCT
17...	45.0	17.2	5.45	29.8	123	128	156	0	27.5	.3	6.89	74.8	316
NOV
26...	56.6	22.6	4.31	38.1	159	160	195	0	29.7	.3	5.48	96.6	390
JAN
14...	57.7	22.2	3.92	28.4	184	184	224	0	27.8	.3	8.99	65.1	358
FEB
13...	53.2	20.2	3.70	24.5	166	167	189	7	32.2	.2	7.76	57.3	326
MAR
06...	55.4	21.0	3.41	26.5	167	169	206	0	33.6	.3	6.66	58.9	332
06...	<.01	<.008	--	<.09	--	--	--	--	--	--	<.13	--	--
25...	54.2	21.3	3.42	29.7	173	177	216	0	36.9	.2	7.27	58.2	334
APR
03...	49.3	20.3	3.48	26.8	160	161	179	8	30.1	.3	6.08	60.9	323
03...	49.8	20.6	3.52	26.9	--	--	--	--	30.7	.3	6.02	61.5	323
15...	45.9	18.8	3.68	23.6	120	122	149	0	26.7	.2	4.63	58.0	293
29...	39.3	14.9	3.42	16.8	99	100	122	0	21.1	.2	6.88	38.3	244
MAY
09...	36.8	13.6	3.54	13.2	134	128	157	0	16.1	.1	6.22	35.6	228
14...	30.5	9.93	3.52	9.30	93	93	113	0	10.4	.1	6.43	25.7	183
JUN
12...	44.5	17.4	3.51	16.8	130	133	162	0	21.1	.2	5.68	44.6	260
JUL
10...	48.7	18.5	3.64	21.2	154	154	188	0	22.7	.3	7.11	59.4	307
10...	--	--	--	--	--	--	--	--	--	--	--	--	--
10...	48.8	18.8	4.08	21.7	--	--	--	--	22.0	.3	7.12	59.0	287
AUG
14...	46.5	19.2	3.97	30.2	151	151	184	0	21.5	.3	4.46	70.4	294
14...	46.5	19.3	3.83	30.7	--	--	--	--	22.0	.3	4.34	71.7	300
SEP
11...	49.0	19.4	4.10	30.2	150	149	177	2	20.4	.3	7.75	74.3	320
11...	--	--	--	--	--	--	--	--	--	--	--	--	--

	NITRO-	NITRO-	NITRO-	NITRO-	NITRO-	NITRO-		PHOS-		CARBON,	CARBON,		CARBON,
	GEN,	GEN,AM-	GEN,AM-	GEN,	GEN,	GEN,PAR	PHOS-	PHORUS		INORG +	INOR-	CARBON,	ORGANIC
	AMMONIA	MONIA +	MONIA +	NO₂+NO₃	NITRITE	TICULTE	PHORUS	ORTHO,	PHOS-	ORGANIC	GANIC,	ORGANIC	PARTIC-
	DIS-	ORGANIC	ORGANIC	DIS-	DIS-	WAT FLT	DIS-	DIS-	PHORUS	PARTIC.	PARTIC.	DIS-	ULATE
	SOLVED	DIS.	TOTAL	SOLVED	SOLVED	SUSP	SOLVED	SOLVED	TOTAL	TOTAL	TOTAL	SOLVED	TOTAL
DATE	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L
	as N)	as N)	as N)	as N)	as N)	as N)	as P)	as P)	as P)	as C)	as C)	as C)	as C)
	(00608)	(00623)	(00625)	(00631)	(00613)	(49570)	(00666)	(00671)	(00665)	(00694)	(00688)	(00681)	(00689)
OCT
17...	.05	.41	.82	.90	.016	.45	.140	.125	.26	3.7	<.1	30.6	3.7
NOV
26...	.09	.45	.98	1.20	.010	.48	.093	.079	.23	4.2	<.1	3.9	4.1
JAN
14...	.07	.44	.97	2.32	.010	.28	.091	.074	.169	2.6	<.1	4.4	2.6
FEB
13...	.07	.35	.96	3.19	.017	.55	.111	.103	.25	3.8	<.1	4.0	3.8
MAR
06...	E.03	.41	.90	2.80	.014	.53	.081	.060	.23	3.5	<.1	4.4	3.5
06...	<.015	--	--	<.013	<.002	--	--	<.007	--	--	--	--	--
25...	.05	.41	1.0	2.99	.017	.43	.084	.063	.22	3.7	<.1	4.4	3.7
APR
03...	.04	.40	1.1	2.44	.011	.50	.061	.048	.23	4.1	<.1	4.2	4.0
03...	E.03	.41	1.0	2.47	.012	.47	.064	.050	.23	4.1	<.1	4.4	4.0
15...	.06	.47	1.4	2.11	.020	.58	.081	.061	.33	4.7	<.1	4.8	4.7
29...	<.04	.50	1.7	2.13	.071	1.06	.089	.067	.57	9.2	.2	5.3	9.0
MAY
09...	<.04	.46	2.2	2.19	.041	.60	.090	.071	.62	5.8	.3	5.6	5.5
14...	<.04	.43	1.5	1.64	.055	.88	.079	.067	.53	9.4	<.1	6.0	9.3
JUN
12...	<.04	.36	1.1	2.96	.017	.44	.106	.089	.38	3.4	<.1	5.0	3.3
JUL
10...	<.04	.33	.81	2.54	.008	.20	.129	.117	.22	1.8	<.1	4.8	1.8
10...	--	--	--	--	--	--	--	--	--	--	--	--	--
10...	<.04	.31	.73	2.50	.008	.47	.129	.117	.22	2.9	.2	4.6	2.7
AUG
14...	<.04	.40	.86	.69	.033	.39	.127	.105	.26	2.5	<.1	5.6	2.5
14...	<.04	.41	.89	.69	.033	.41	.126	.107	.23	2.9	<.1	5.4	2.9
SEP
11...	<.04	.37	.79	1.26	E.005	.51	.157	.138	.22	3.0	<.1	5.7	3.0
11...	--	--	--	--	--	--	--	--	--	--	--	--	--

			COLI-	FECAL	CHLOR-A
	PHEO-		FORM,	STREP,	PHYTO-	ALUM-	ANTI-			BERYL-			CHRO-
	PHYTIN	E COLI,	FECAL,	KF STRP	PLANK-	INUM,	MONY,	ARSENIC	BARIUM,	LIUM,	BORON,	CADMIUM	MIUM,
	A,	MTEC MF	0.7	MF,	TON	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-
	PHYTO-	WATER	mm-MF	WATER	CHROMO	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED
DATE	PHYTON	(col./	(col./	(col./	FLUOROM	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L
	(mg/L)	100 mL)	100 mL)	100 mL)	(mg/L)	as Al)	as Sb)	as As)	as Ba)	as Be)	as B)	as Cd)	as Cr)
	(62360)	(31633)	(31625)	(31673)	(70953)	(01106)	(01095)	(01000)	(01005)	(01010)	(01020)	(01025)	(01030)
OCT
17...	24.2	170	270	48	22.4	--	--	2.2	--	--	74	--	--
NOV
26...	24.3	380	K365	405	16.1	6	.28	1.8	60	<.06	74	E.02	<.8
JAN
14...	10.4	58	88	142	32.0	--	--	1.4	--	--	72	--	--
FEB
13...	14.2	K25	K54	44	32.2	--	--	1.3	--	--	52	--	--
MAR
06...	22.9	44	92	115	32.5	--	--	1.1	--	--	50	--	--
06...	--	--	--	--	--	<1	.16	<.2	<1	<.06	<7	<.04	<.8
25...	19.4	K52	K320	K62	30.5	3	.05	1.2	61	<.06	52	.08	<.8
APR
03...	25.5	50	62	48	33.2	--	--	1.3	--	--	44	--	--
03...	--	--	--	--	--	--	--	1.3	--	--	44	--	--
15...	26.3	320	480	516	22.3	--	--	1.4	--	--	48	--	--
29...	27.6	K110	840	1060	17.0	--	--	1.3	--	--	35	--	--
MAY
09...	19.4	1400	2800	9800	15.3	--	--	1.2	--	--	30	--	--
14...	12.1	1300	1850	3200	8.8	--	--	1.3	--	--	29	--	--
JUN
12...	9.9	120	K362	105	6.9	3	.23	1.7	70	<.06	40	E.02	<.8
JUL
10...	17.9	46	105	K17	36.5	--	--	2.3	--	--	51	--	--
10...	--	--	--	--	--	--	--	--	--	--	--	--	--
10...	20.2	--	--	--	40.4	--	--	2.3	--	--	52	--	--
AUG
14...	22.8	400	440	1480	44.4	--	--	2.8	--	--	73	--	--
14...	--	--	--	--	--	--	--	2.7	--	--	74	--	--
SEP
11...	27.7	21	34	85	52.8	3	.41	2.7	71	<.06	69	E.02	<.8
11...	--	--	--	--	--	--	--	--	--	--	--	--	--

						MANGA-	MOLYB-		SELE-		STRON-	VANA-
	COBALT,	COPPER,	IRON,	LEAD,	LITHIUM	NESE,	DENUM,	NICKEL,	NIUM,	SILVER,	TIUM,	DIUM,	ZINC,
	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-
	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED
DATE	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L	(mg/L
	as Co)	as Cu)	as Fe)	as Pb)	as Li)	as Mn)	as Mo)	as Ni)	as Se)	as Ag)	as Sr)	as V)	as Zn)
	(01035)	(01040)	(01046)	(01049)	(01130)	(01056)	(01060)	(01065)	(01145)	(01075)	(01080)	(01085)	(01090)
OCT
17...	--	--	<10	--	15.2	--	--	--	1.3	--	221	3.3	--
NOV
26...	.24	1.5	E6	.10	19.5	2.2	2.9	.60	.9	<1	280	2.2	3
JAN
14...	--	--	E8	--	11.6	--	--	--	1.1	--	246	2.7	--
FEB
13...	--	--	<10	--	8.2	--	--	--	1.0	--	186	2.1	--
MAR
06...	--	--	<10	--	8.5	--	--	--	1.0	--	199	1.1	--
06...	<.02	<.2	<10	<.08	<.3	<.1	<.2	<.06	<.3	<1	<.08	<.2	<1
25...	.29	1.8	E6	E.08	8.8	1.7	1.8	2.32	1.0	<1	187	.8	2
APR
03...	--	--	<10	--	9.2	--	--	--	1.1	--	193	2.2	--
03...	--	--	<10	--	8.9	--	--	--	1.1	--	190	2.0	--
15...	--	--	57	--	8.0	--	--	--	.8	--	171	2.2	--
29...	--	--	E6	--	6.1	--	--	--	.5	--	132	2.5	--
MAY
09...	--	--	11	--	4.8	--	--	--	.6	--	--	2.1	--
14...	--	--	20	--	3.2	--	--	--	.5	--	113	2.6	--
JUN
12...	.20	1.9	<10	<.08	7.2	.4	1.9	2.66	.9	<1	147	3.4	<1
JUL
10...	--	--	<10	--	11.4	--	--	--	1.2	--	181	3.3	--
10...	--	--	--	--	--	--	--	--	--	--	--	--	--
10...	--	--	<10	--	11.3	--	--	--	1.1	--	182	3.2	--
AUG
14...	--	--	<10	--	16.0	--	--	--	.9	--	203	4.7	--
14...	--	--	<10	--	16.1	--	--	--	.8	--	206	4.7	--
SEP
11...	.19	2.0	<10	<.08	16.4	.5	3.1	3.39	1.1	<1	225	4.5	<1
11...	--	--	--	--	--	--	--	--	--	--	--	--	--

2,6-DI-

BEN-

CAR-

CARBO-

DEETHYL

ETHYL

ACETO-

ALA-

ATRA-

FLUR-

BUTYL-

BARYL

FURAN

CYANA-

DCPA

ATRA-

ANILINE

CHLOR,

ALPHA

ZINE,

ALIN

ATE,

WATER

CHLOR-

ZINE,

WATER

ZINE,

WAT FLT

WATER

WATER,

BHC

WATER,

WAT FLD

WATER,

FLTRD

PYRIFOS

WATER,

FLTRD

WATER,

0.7 m

FLTRD

DISS,

DIS-

DISS,

0.7 m

DISS,

0.7 m

DIS-

DISS,

0.7 m

DISS,

DATE

GF, REC

REC

REC,

SOLVED

REC

GF, REC

REC

GF, REC

SOLVED

REC

GF, REC

REC

(mg/L)

(82660)

(49260)

(46342)

(34253)

(39632)

(82673)

(04028)

(82680)

(82674)

(38933)

(04041)

(82682)

(04040)

OCT

17...

<.002

.034

<.002

<.005

.225

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.067

NOV

26...

<.002

.027

.010

<.005

.085

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.051

JAN

14...

<.006

.039

.005

<.005

.151

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.052

FEB

13...

<.006

.025

<.004

<.005

.190

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.053

MAR

06...

<.002

.027

<.002

<.005

.131

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.026

06...

25...

<.006

.015

.016

<.005

.093

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.036

APR

03...

<.006

<.010

.005

<.005

.099

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.036

03...

15...

<.006

.052

<.004

<.005

.304

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.035

29...

<.006

.434

.040

<.005

4.35

<.010

<.002

<.041

<.020

<.005

<.020

<.003

E.105

MAY

09...

<.006

.322

.031

<.005

3.03

<.010

<.002

E.005

<.020

<.005

<.018

<.003

E.174

14...

<.006

.484

.053

<.005

4.09

<.010

<.002

E.004

<.005

E.015

<.003

E.259

JUN

12...

<.006

.679

.019

<.005

2.80

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.177

JUL

10...

<.006

.117

.015

<.005

1.04

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.221

10...

<.006

<.004

<.005

<.007

<.010

<.002

<.041

<.020

<.005

<.018

<.003

<.006

10...

<.006

.126

.014

<.005

1.14

<.010

<.002

<.041

<.020

<.005

E.010

<.003

E.165

AUG

14...

<.006

.016

.005

<.005

.354

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.097

14...

SEP

11...

<.006

.014

<.004

<.005

.180

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.053

11...

<.006

<.004

<.005

<.007

<.010

<.002

<.041

<.020

<.005

<.018

<.003

<.006

DISUL-

ETHAL-

ETHO-

LIN-

METHYL

FOTON

EPTC

FLUR-

PROP

URON

AZIN-

PARA-

DI-

WATER

ALIN

WATER

FONOFOS

WATER

MALA-

PHOS

THION

METO-

AZINON,

ELDRIN

FLTRD

WAT FLT

FLTRD

WATER

LINDANE

FLTRD

THION,

WAT FLT

LACHLOR

DIS-

0.7 m

DISS

DIS-

0.7m

DIS-

0.7 m

WATER

DATE

SOLVED

GF, REC

REC

SOLVED

GF, REC

SOLVED

GF, REC

DISSOLV

(mg/L)

(39572)

(39381)

(82677)

(82668)

(82663)

(82672)

(04095)

(39341)

(82666)

(39532)

(82686)

(82667)

(39415)

OCT

17...

.007

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.047

NOV

26...

.007

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.031

JAN

14...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.051

FEB

13...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.020

.068

MAR

06...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.053

06...

25...

E.003

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

.053

.039

APR

03...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.029

03...

15...

E.003

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.066

29...

.008

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.652

MAY

09...

.011

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.020

.396

14...

.009

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.680

JUN

12...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.727

JUL

10...

E.003

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.211

10...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

<.013

10...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.231

AUG

14...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.061

14...

SEP

11...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.041

11...

<.005

<.02

<.002

<.009

<.005

<.003

<.004

<.035

<.027

<.050

<.006

<.013

MOL-

NAPROP-

PEB-

PENDI-

PER-

PRON-

PRO-

METRI-

INATE

AMIDE

ULATE

METH-

METHRIN

PHORATE

PRO-

AMIDE

PROPA-

PANIL

BUZIN

WATER

PARA-

WATER

ALIN

CIS

WATER

METON,

WATER

CHLOR,

WATER

SENCOR

FLTRD

P,P'

THION,

FILTRD

WAT FLT

FLTRD

WATER,

FLTRD

WATER,

FLTRD

WATER

0.7 m

DDE

DIS-

0.7 m

DISS,

0.7 m

DISS,

0.7 m

DATE

DISSOLV

GF, REC

DISSOLV

SOLVED

GF, REC

REC

GF, REC

REC

GF, REC

(mg/L)

(82630)

(82671)

(82684)

(34653)

(39542)

(82669)

(82683)

(82687)

(82664)

(04037)

(82676)

(04024)

(82679)

OCT

17...

<.006

<.002

<.007

<.003

<.007

<.002

<.010

<.006

<.011

E.01

<.004

<.010

<.011

NOV

26...

<.006

<.002

<.007

<.003

<.007

<.002

<.010

<.006

<.011

<.004

<.010

<.011

JAN

14...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

FEB

13...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

MAR

06...

<.006

<.002

<.007

<.003

<.007

<.002

<.010

<.006

<.011

<.01

<.004

<.010

<.011

06...

25...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

APR

03...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

03...

15...

.010

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

29...

<.010

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

MAY

09...

.009

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

14...

.020

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.004

<.010

<.011

JUN

12...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

JUL

10...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

10...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

10...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

AUG

14...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

14...

SEP

11...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

11...

<.006

<.002

<.007

<.003

<.010

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

	PRO-		TEBU-	TER-	TER-	THIO-	TRIAL-	TRI-		SED.
	PARGITE	SI-	THIURON	BACIL	BUFOS	BENCARB	LATE	FLUR-	URANIUM	SUSP.
	WATER	MAZINE,	WATER	WATER	WATER	WATER	WATER	ALIN	NATURAL	SIEVE	SEDI-
	FLTRD	WATER,	FLTRD	FLTRD	FLTRD	FLTRD	FLTRD	WAT FLT	DIS-	DIAM.	MENT,
	0.7 m	DISS,	0.7 m	0.7 m	0.7 m	0.7 m	0.7 m	0.7 m	SOLVED	% FINER	SUS-
DATE	GF, REC	REC	GF, REC	GF, REC	GF, REC	GF, REC	GF, REC	GF, REC	(mg/L	THAN	PENDED
	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	as U)	.062 mm	(mg/L)
	(82685)	(04035)	(82670)	(82665)	(82675)	(82681)	(82678)	(82661)	(22703)	(70331)	(80154)
OCT
17...	<.02	.017	<.02	<.034	<.02	<.005	<.002	<.009	--	88	110
NOV
26...	<.02	.024	<.02	<.034	<.02	<.005	<.002	<.009	2.10	92	85
JAN
14...	<.02	.073	<.02	<.034	<.02	<.005	<.002	<.009	--	61	46
FEB
13...	<.02	.042	<.02	<.034	<.02	<.005	<.002	<.009	--	56	131
MAR
06...	<.02	.048	<.01	<.034	<.02	<.005	<.002	<.009	--	75	113
06...	--	--	--	--	--	--	--	--	<.02	--	--
25...	<.02	.037	<.02	<.034	<.02	<.005	<.002	<.009	1.80	81	108
APR
03...	<.02	.047	<.02	<.034	<.02	<.005	<.002	<.009	--	85	113
03...	--	--	--	--	--	--	--	--	--	--	--
15...	<.02	.039	<.02	<.034	<.02	<.005	<.002	<.009	--	85	230
29...	<.02	.231	<.02	<.034	<.02	<.005	<.002	<.009	--	80	600
MAY
09...	<.02	.344	<.02	<.034	<.02	<.005	<.002	<.009	--	85	663
14...	<.02	.308	E.01	<.034	<.02	<.005	<.002	<.009	--	66	633
JUN
12...	<.02	.057	<.02	<.034	<.02	<.005	<.002	<.009	1.62	73	399
JUL
10...	<.02	.030	<.02	<.034	<.02	<.005	<.002	<.009	--	82	88
10...	<.02	<.005	<.02	<.034	<.02	<.005	<.002	<.009	--	--	--
10...	<.02	.027	<.02	<.034	<.02	<.005	<.002	<.009	--	83	88
AUG
14...	<.02	.014	E.01	<.034	<.02	<.005	<.002	<.009	--	89	123
14...	--	--	--	--	--	--	--	--	--	92	103
SEP
11...	<.02	.010	<.02	<.034	<.02	<.005	<.002	<.009	2.10	87	60
11...	<.02	<.005	<.02	<.034	<.02	<.005	<.002	<.009	--	--	--

REMARK CODES: K--Results based on colony count outside the acceptable range (non-ideal colony count).
E--Laboratory estimated value.
M--Presence of material verified, but not quantified.
<--Numeric result less than the value shown.