Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07022000       MISSISSIPPI RIVER AT THEBES, IL



LOCATION.--Lat 37°13'00", long 89°27'50", 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.--January 1973 to current year.

PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: October 1974 to September 1981.
WATER TEMPERATURE: October 1974 to September 1981.
SUSPENDED-SEDIMENT: October 1980 to current year.

REMARKS.--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. Sediment records good except for estimated daily load Jan. 2-17, which are fair.

EXTREMES FOR PERIOD OF DAILY RECORD.--
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 FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,490 mg/L, April 20; minimum daily mean, 112 mg/L, Sept. 5.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,940,000 tons, Apr. 21; minimum daily, 39,600 tons, Sept. 23.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DIS- UV UV OXYGEN, PH E. COLI COLI-
CHARGE, ABSORB- ABSORB- DIS- WATER SPE- WATER FORM,
INST. ANCE ANCE SOLVED WHOLE CIFIC WHOLE FECAL,
(CUBIC 254 nm, 280 nm, OXYGEN, (PER- FIELD CON- TEMPER- TOTAL 0.7
FEET WTR FLT WTR FLT DIS- CENT (STAND- DUCT- ATURE UREASE mm-MF
DATE TIME PER (UNITS (UNITS SOLVED SATUR- ARD ANCE WATER (COL / (COL /
SECOND) /cm) /cm) (mg/L) ATION) UNITS) (mS/cm) (DEG C) 100 mL) 100 mL)
(00061) (50624) (61726) (00300) (00301) (00400) (00095) (00010) (31633) (31625)
OCT
21... 1405 332000 --        --        8.1 84 7.98 473 18.3 K210 K210   
DEC
14... 1315 224000 --        --        10.7 88 7.92 470 7.9 1300 1100   
JAN
27... 1545 321000 --        --        13.8 100 7.93 482 2.7 1000 1300   
FEB
22... 1425 270000 --        --        13.3 103 7.87 605 4.9 160 240   
MAR
10... 1505 254000 .113 --        12.7 101 7.70 630 4.7 560 980   
29... 1500 220000 .088 --        12.6 108 8.08 583 9.9 62 88   
APR
21... 1420 490000 .149 --        9.6 90 7.72 430 12.1 1000 1400   
29... 1035 512000 .136 --        8.9 84 7.65 459 13.6 500 420   
MAY
20... 0955 450000 .127 --        7.2 77 7.71 504 19.1 1400 K360   
25... 1455 488000 .138 --        7.8 84 7.82 470 19.6 420 620   
JUN
09... 1515 463000 .189 --        6.7 82 7.97 498 26.0 200 140   
23... 1425 378000 .385 --        7.5 88 7.98 501 23.9 K40 260   
JUL
26... 1430 230000 .123 --        7.5 101 7.78 601 31.5 K35 48   
AUG
11... 1405 222000 .143 --        7.5 95 7.77 565 28.2 310 280   
SEP
01... 1345 158000 .140 .101 8.2 101 7.99 607 26.9 K20 62   
K-Results based on colony count outside the acceptable range (non-ideal colony count).
STREP- ALKA- ALKA- BICAR- CAR- HARD-
TOCOCCI LINITY LINITY BONATE BONATE HARD- NESS MAGNE- POTAS-
FECAL, WAT DIS WAT DIS WATER WATER NESS NONCARB CALCIUM SIUM, SIUM, SODIUM,
KF AGAR FIX END TOT IT DIS IT DIS IT TOTAL DISSOLV DIS- DIS- DIS- DIS-
(COL FIELD FIELD FIELD FIELD (mg/L FLD. as SOLVED SOLVED SOLVED SOLVED
DATE PER CaCO3 (mg/L as ( mg/L as ( mg/L as as CaCO3 (mg/L (mg/L (mg/L (mg/L
100 mL) (mg/L) CaCO3) HCO3) CO3) CaCO3) (mg/L) as Ca) as Mg) as K) as Na)
(31673) (39036) (39086) (00453) (00452) (00900) (00904) (00915) (00925) (00935) (00930)
OCT
21... K110 150 152 185 0 190 40 48 17    4.7   21   
DEC
14... 560 120 122 150 0 200 73 50 17    4.3   24   
JAN
27... 7800 130 134 164 0 190 57 48 18    4.4   24   
FEB
22... 170 160 162 197 0 230 64 58 20    3.7   24   
MAR
10... 2200 170 169 208 0 240 65 60 21    3.5   28   
29... 46 160 167 204 0 230 58 54 22    3.5   34   
APR
21... 510 120 125 152 0 92 -- 24 7.8 .91 9.4
29... 660 140 142 174 0 200 62 54 17    2.5   18   
MAY
20... 120 150 149 182 0 210 60 54 18    3.2   18   
25... 600 130 132 162 0 200 70 52 18    2.5   18   
JUN
09... 62 160 156 190 0 210 50 53 18    2.8   21   
23... 210 150 154 188 0 220 61 55 19    3.1   21   
JUL
26... K8 160 164 202 0 240 73 59 22    3.2   31   
AUG
11... 120 150 156 190 0 220 68 56 20    4.8   28   
SEP
01... K2 160 169 205 0 230 64 57 21    1.3   36   
NITRO- NITRO- NITRO- NITRO- NITRO- PHOS-
CHLO- FLUO- SILICA, GEN, GEN,AM- GEN,AM- GEN, GEN, PHOS- PHORUS
RIDE, RIDE, DIS- SULFATE AMMONIA MONIA + MONIA + NO2+NO3 NITRITE PHORUS ORTHO,
DIS- DIS- SOLVED DIS- DIS- ORGANIC ORGANIC DIS- DIS- DIS- DIS-
SOLVED SOLVED (mg/L SOLVED SOLVED DIS. TOTAL SOLVED SOLVED SOLVED SOLVED
DATE (mg/L (mg/L as (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L
as Cl) as F) SiO2) as SO4) as N) as N) as N) as N) as N) as P) as P)
(00940) (00950) (00955) (00945) (00608) (00623) (00625) (00631) (00613) (00666) (00671)
OCT
21... 18 .25 8.8 52 .020 .37 --      1.67 .024 .119 .116
DEC
14... 19 .21 10    65 .091 .44 .79 1.77 <.010 .109 .109
JAN
27... 24 .20 9.6 57 .176 .49 1.8   2.32 .026 .104 .099
FEB
22... 26 .23 10    62 .081 .44 .81 3.16 .024 .104 .099
MAR
10... 29 .20 9.4 73 .087 .52 1.1   2.74 .013 .092 .074
29... 38 .23 5.5 72 <.020 .42 .99 2.61 .010 .043 .020
APR
21... 17 .23 6.3 50 .028 .48 2.5   3.03 .111 .090 .034
29... 17 .27 10    51 <.020 .42 1.6   3.75 .056 .103 .067
MAY
20... 18 .32 9.8 58 <.020 .72 .67 3.56 .047 .106 .026
25... 18 .26 10    52 .024 .38 2.1   3.90 .015 .104 .092
JUN
09... 17 .27 10    56 <.020 .56 1.4   3.60 .013 .122 .054
23... 18 .31 11    58 .021 .46 1.6   4.61 .018 .140 .113
JUL
26... 20 .25 8.7 92 <.020 .37 .54 3.01 .017 .126 .096
AUG
11... 19 .26 14    80 <.020 .31 1.0   2.87 <.010 .175 .149
SEP
01... 25 .27 10    100 .026 .38 .82 1.64 <.010 .145 .130
RESIDUE ALUM- ANTI- BERYL- CHRO-
PHOS- AT 180 INUM, MONY, ARSENIC BARIUM, LIUM, BORON, CADMIUM MIUM,
PHORUS DEG. C TUR- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
TOTAL DIS- BID- SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (mg/L SOLVED ITY (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L
as P) (mg/L) (NTU) as Al) as Sb) as As) as Ba) as Be) as B) as Cd) as Cr)
(00665) (70300) (00076) (01106) (01095) (01000) (01005) (01010) (01020) (01025) (01030)
OCT
21... --        289 72 --    --    2 -- --    49 --    --   
DEC
14... .313 304 58 86    <1.0 2 77 <1.0 49 <1.0 1.6
JAN
27... .618 285 160 --    --    <1 -- --    54 --    --   
FEB
22... .222 325 37 --    --    <1 -- --    47 --    --   
MAR
10... .227 355 45 --    --    2 -- --    52 --    --   
29... .200 350 28 7.6 <1.0 1 64 <1.0 50 <1.0 11   
APR
21... 1.11   273 97 --    --    1 -- --    49 --    --   
29... .659 287 200 --    --    2 -- --    92 --    --   
MAY
20... .543 310 220 --    --    1 -- --    48 --    --   
25... .805 307 63 --    --    2 -- --    90 --    --   
JUN
09... .518 321 150 --    --    2 -- --    105 --    --   
23... .628 331 160 54    1.2 2 591 <1.0 91 <1.0 <1.0
JUL
26... .238 361 28 --    --    3 -- --    137 --    --   
AUG
11... .322 346 32 --    --    4 -- --    79 --    --   
SEP
01... .244 383 16 4.5 <1.0 4 91 <1.0 73 <1.0 <1.0
MANGA- MOLYB- SELE- STRON-
COBALT, COPPER, IRON, LEAD, LITHIUM NESE, DENUM, NICKEL, NIUM, SILVER, TIUM,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
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
as Co) as Cu) as Fe) as Pb) as Li) as Mn) as Mo) as Ni) as Se) as Ag) as Sr)
(01035) (01040) (01046) (01049) (01130) (01056) (01060) (01065) (01145) (01075) (01080)
OCT
21... --    --    13    --    10 --    --    --    <1 --    209
DEC
14... <1.0 1.8 72    <1.0 12 4.0 2.0 2.1 <1 <1.0 236
JAN
27... --    --    130    --    8 --    --    --    1 --    197
FEB
22... --    --    29    --    10 --    --    --    <1 --    215
MAR
10... --    --    12    --    12 --    --    --    1 --    237
29... <1.0 1.7 E9.0 <1.0 10 1.7 2.1 2.3 <1 <1.0 241
APR
21... --    --    180    --    E5 --    --    --    <1 --    121
29... --    --    120    --    11 --    --    --    2 --    212
MAY
20... --    --    57    --    9 --    --    --    1 --    207
25... --    --    97    --    10 --    --    --    <1 --    210
JUN
09... --    --    53    --    9 --    --    --    1 --    220
23... <1.0 2.6 56    <1.0 10 2.2 2.5 2.1 <1 <1.0 217
JUL
26... --    --    65    --    20 --    --    --    1 --    280
AUG
11... --    --    41    --    18 --    --    --    1 --    270
SEP
01... <1.0 2.7 <10    <1.0 22 <1.0 3.6 3.3 <1 <1.0 280
E - Laboratory estimated value.
CARBON, 2,6-DI- METHYL BEN-
VANA- CARBON, ORGANIC ETHYL ACETO- ALA- ATRA- AZIN- FLUR- BUTYL-
DIUM, ZINC, ORGANIC SUS- ANILINE CHLOR, CHLOR, ZINE, PHOS ALIN ATE,
DIS- DIS- DIS- PENDED WAT FLT WATER WATER, WATER, WAT FLT WAT FLD WATER,
SOLVED SOLVED SOLVED TOTAL 0.7 m FLTRD DISS, DISS, 0.7 m 0.7 m DISS,
DATE (mg/L) (mg/L) (mg/L (mg/L GF, REC REC REC, REC GF, REC GF, REC REC
as V) as Zn) as C) as C) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
(01085) (01090) (00681) (00689) (82660) (49260) (46342) (39632) (82686) (82673) (04028)
OCT
21... <10 --    4.4 1.5 <.0030 .0502 .010 .290 <.0010 <.0020 <.0020
DEC
14... <10 2.3 7.7 2.6 <.0030 .0126 <.002 .109 <.0010 <.0020 <.0020
JAN
27... <10 --    4.9 2.8 <.0030 .0160 <.002 .144 <.0010 <.0020 <.0020
FEB
22... <10 --    4.0 1.3 --          --          --        --        --          --          --         
MAR
10... <10 --    3.7 1.3 <.0030 .0288 .006 .093 <.0010 <.0020 <.0020
29... <10 3.0 4.3 1.4 <.0030 .0202 .005 .076 <.0010 <.0020 <.0020
APR
21... <10 --    8.6 8.7 <.0030 .580   .067 2.43   <.0010 <.0020 <.0020
29... <10 --    5.4 5.9 <.0030 .299   .026 1.30   <.0010 <.0020 <.0020
MAY
20... <10 --    8.6 2.3 <.0030 .522   .048 2.87   <.0010 <.0020 <.0020
25... <10 --    6.4 10    <.0030 1.09     .058 4.44   <.0010 <.0020 <.0020
JUN
09... <10 --    6.9 5.6 <.0030 .797   .125 1.17   <.0010 <.0020 <.0020
23... <10 14    16    >5.0 <.0030 .498   .129 1.30   <.0010 <.0020 <.0020
JUL
26... <10 --    4.6 1.3 <.0030 .0443 .035 .834 <.0010 <.0020 <.0020
AUG
11... <10 --    4.8 1.9 <.0030 .0259 .032 .467 <.0010 <.0020 <.0020
SEP
01... E5 2.5 5.6 1.0 <.0030 <.0020 <.002 .210 <.0010 <.0020 <.0020
CAR- CARBO- DEETHYL DISUL- ETHAL-
BARYL FURAN CYANA- DCPA ATRA- FOTON EPTC FLUR-
WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER WATER ALIN
FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD FLTRD WAT FLT
0.7 m 0.7 m DIS- DISS, 0.7 m DISS, DIS- DIS- 0.7 m 0.7 m 0.7 m
DATE GF, REC GF, REC SOLVED REC GF, REC REC SOLVED SOLVED GF, 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)
(82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677) (82668) (82663)
OCT
21... <.0030 <.0030 <.0040 .0167 <.0020 E.0590 <.002 <.001 <.0170 <.0020 <.0040
DEC
14... <.0030 <.0030 <.0040 .0105 <.0020 E.0241 <.002 <.001 <.0170 <.0020 <.0040
JAN
27... <.0030 <.0030 <.0040 .0155 <.0020 E.0369 <.002 <.001 <.0170 <.0020 <.0040
MAR
10... <.0030 <.0030 <.0040 <.0040 <.0020 E.0053 .004 <.001 <.0170 <.0020 <.0040
29... <.0030 <.0030 <.0040 <.0200 <.0020 E.0271 .006 <.001 <.0170 <.0020 <.0040
APR
21... <.0030 <.0030 <.0040 .133   <.0020 E.0337 <.002 <.001 <.0170 <.0020 <.0040
29... <.0030 <.0030 <.0040 .0740 <.0020 E.0562 <.002 <.001 <.0170 <.0020 <.0040
MAY
20... <.0030 <.0030 .0158 .275   <.0020 E.0888 .015 <.001 <.0170 <.0020 <.0040
25... <.0030 <.0030 <.0040 .350   <.0020 E.126   <.002 <.001 <.0170 <.0020 <.0040
JUN
09... <.0030 <.0100 <.0040 .0863 <.0020 E.229   <.002 <.001 <.0170 <.0020 <.0040
23... <.0030 E.0393 <.0040 .0839 <.0020 E.315   <.002 <.001 <.0170 <.0020 <.0040
JUL
26... <.0030 <.0030 <.0040 .0333 <.0020 E.101   <.002 <.001 <.0170 <.0020 <.0040
AUG
11... <.0030 <.0030 <.0040 <.0200 <.0020 E.143   <.002 <.001 <.0170 <.0020 <.0040
SEP
01... <.0030 <.0030 <.0040 <.0040 <.0020 E.0476 <.002 <.001 <.0170 <.0020 <.0040
E--Laboratory estimated value.
ETHO- LIN- MOL- NAPROP- METHYL
PROP URON METRI- INATE AMIDE PARA-
WATER FONOFOS WATER MALA- METO- BUZIN WATER WATER PARA- THION
FLTRD WATER LINDANE FLTRD THION, LACHLOR SENCOR FLTRD FLTRD THION, WAT FLT
0.7 m DISS DIS- 0.7 m DIS- WATER WATER 0.7 m 0.7 m DIS- 0.7 m
DATE GF, REC REC SOLVED GF, REC SOLVED DISSOLV DISSOLV GF, REC GF, REC SOLVED GF, REC
(mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
(82672) (04095) (39341) (82666) (39532) (39415) (82630) (82671) (82684) (39542) (82667)
OCT
21... <.0030 <.0030 <.004 <.0020 <.005 .142 <.004 <.0040 <.0030 <.004 <.0060
DEC
14... <.0030 <.0030 <.004 <.0020 <.005 .041 <.004 <.0040 <.0030 <.004 <.0060
JAN
27... <.0030 <.0030 <.004 <.0020 <.005 .040 .007 <.0040 <.0030 <.004 <.0060
MAR
10... <.0030 <.0030 <.004 <.0020 <.005 .071 <.004 <.0040 <.0030 <.004 <.0060
29... <.0030 <.0030 <.004 <.0020 <.005 .107 <.004 <.0040 <.0030 <.004 <.0060
APR
21... <.0030 <.0030 <.004 <.0020 <.005 .742 .021 <.0040 <.0030 <.004 <.0060
29... <.0030 <.0030 <.004 <.0020 <.005 .456 <.020 <.0040 <.0030 <.004 <.0060
MAY
20... <.0030 <.0030 <.004 <.0020 <.005 .718 .016 <.0040 <.0030 <.004 <.0060
25... <.0030 <.0030 <.004 <.0020 <.005 1.06   .024 <.0040 <.0030 <.004 <.0060
JUN
09... <.0030 <.0030 <.004 <.0020 <.005 1.23   .029 <.0040 <.0030 <.004 <.0060
23... <.0030 <.0030 <.004 <.0020 <.005 1.35   <.020 <.0040 <.0030 <.004 <.0060
JUL
26... <.0030 <.0030 <.004 <.0020 <.005 .318 <.004 <.0040 <.0030 <.004 <.0700
AUG
11... <.0030 <.0030 <.004 <.0020 <.005 .273 <.004 <.0040 <.0030 <.004 <.0060
SEP
01... <.0030 <.0030 <.004 <.0020 <.005 .075 <.004 <.0040 <.0030 <.004 <.0060
PEB- PENDI- PRO- PRO- PRON- TEBU- TER-
ULATE METH- PHORATE PRO- PROP- PANIL PARGITE AMIDE SI- THIURON BACIL
WATER ALIN WATER METON, CHLOR, WATER WATER WATER MAZINE, WATER WATER
FILTRD WAT FLT FLTRD WATER, WATER, FLTRD FLTRD FLTRD WATER, FLTRD FLTRD
0.7 m 0.7 m 0.7 m DISS, DISS, 0.7m 0.7 m 0.7 m DISS, 0.7 m 0.7 m
DATE GF, REC GF, REC GF, REC REC REC GF, REC GF, REC GF, 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)
(82669) (82683) (82664) (04037) (04024) (82679) (82685) (82676) (04035) (82670) (82665)
OCT
21... <.0040 <.0040 <.0020 E.0070 <.0070 <.0040 <.0130 <.0030 E.0049 <.0200 <.0070
DEC
14... <.0040 <.0040 <.0020 E.0041 <.0070 <.0040 <.0130 <.0030 E.0047 <.0100 <.0070
JAN
27... <.0040 <.0040 <.0020 E.0041 <.0070 <.0040 <.0130 <.0030 .0074 <.0100 <.0070
MAR
10... <.0040 <.0040 <.0020 E.0024 <.0070 <.0040 <.0130 <.0030 E.0038 <.0100 <.0070
29... <.0040 <.0040 <.0020 <.0180 <.0070 <.0040 <.0130 <.0030 <.0050 <.0100 <.0070
APR
21... <.0040 <.0040 <.0020 <.0180 <.0070 <.0040 <.0130 <.0030 .0498 <.0100 <.0070
29... <.0040 <.0040 <.0020 <.0180 <.0070 <.0040 <.0130 <.0030 .0489 <.0100 <.0070
MAY
20... <.0040 <.0100 <.0020 E.0075 <.0070 <.0040 <.0130 <.0030 .0942 <.0100 <.0070
25... <.0040 <.0040 <.0020 E.0067 <.0070 <.0040 <.0130 <.0030 .0723 <.0100 <.0070
JUN
09... <.0040 <.0040 <.0020 E.0115 <.0070 <.0040 <.0130 <.0030 .0510 <.0100 <.0070
23... <.0040 <.0040 <.0020 E.0111 <.0070 <.0040 <.0130 <.0030 .0216 <.0100 <.0070
JUL
26... <.0040 <.0040 <.0020 <.0180 <.0070 <.0040 <.0130 <.0030 <.0100 <.0100 <.0070
AUG
11... <.0040 <.0040 <.0020 E.0123 <.0070 <.0040 <.0130 <.0030 <.0100 <.0100 <.0070
SEP
01... <.0040 <.0040 <.0020 <.0180 <.0070 <.0040 <.0130 <.0030 <.0050 <.0100 <.0070
E--Laboratory estimated value.
TER- THIO- TRIAL- TRI- PER- SED.
BUFOS BENCARB LATE FLUR- METHRIN URANIUM SUSP.
WATER WATER WATER ALIN ALPHA CIS NATURAL SEDI- SIEVE
FLTRD FLTRD FLTRD WAT FLT BHC WAT FLT P,P' DIS- MENT, DIAM.
0.7 m 0.7 m 0.7 m 0.7 m DIS- 0.7 m DDE SOLVED SUS- % FINER
DATE GF, REC GF, REC GF, REC GF, REC SOLVED GF, REC DISSOLV (mg/L PENDED THAN
(m/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) as U) (mg/L) .062 mm
(82675) (82681) (82678) (82661) (34253) (82687) (34653) (22703) (80154) (70331)
OCT
21... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    508 76
DEC
14... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 2.1 314 66
JAN
27... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    589 86
FEB
22... --          --          --          --          --          --          --          --    231 47
MAR
10... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    186 63
29... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 2.5 140 56
APR
21... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    1490 85
29... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    820 80
MAY
20... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    546 79
25... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    871 87
JUN
09... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    416 82
23... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 2.6 644 82
JUL
26... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    159 81
AUG
11... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 --    194 73
SEP
01... <.0130 <.0020 <.0010 <.0020 <.0020 <.0050 <.0060 3.0 102 81


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data