Station list     Available data
ILLINOIS RIVER BASIN


05553500       ILLINOIS RIVER AT OTTAWA, IL



LOCATION.--Lat 41°20'32", long 88°50'48", in SE1/4SW1/4 sec.11, T.33N., R.3E., LaSalle County, Hydrologic Unit 07130001, 0.3 mi downstream from Fox River, 0.3 mi downstream from State Highway 23, and at mile 239.4.

DRAINAGE AREA.--10,949 mi2.

PERIOD OF RECORD.--Water-quality records, water years 1998 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
PH OXYGEN,
AGENCY AGENCY NUMBER SPE- WATER DIS- MAGNE-
COL- ANA- OF CIFIC WHOLE SOLVED CALCIUM SIUM,
LECTING LYZING SAM- TEMPER- CON- FIELD OXYGEN, (PER- DIS- DIS-
SAMPLE SAMPLE STREAM PLING ATURE DUCT- (STAND- DIS- CENT SOLVED SOLVED
DATE TIME (CODE (CODE WIDTH POINTS WATER ANCE ARD SOLVED SATUR- (MG/L (MG/L
NUMBER) NUMBER) (FT) (COUNT) (DEG C) (US/CM) UNITS) (MG/L) ATION) AS CA) AS MG)
(00027) (00028) (00004) (00063) (00010) (00095) (00400) (00300) (00301) (00915) (00925)
OCT 1997
16... 1450 81700 80020 800 10 17.2 744 8.0 10.3 107 63 22
NOV
13... 1510 81700 80020 800 10 6.4 771 8.1 12.1 99 70 25
DEC
11... 1500 81700 80020 660 10 4.2 849 7.9 14.4 111 71 29
JAN 1998
08... 1230 81700 80020 800 10 7.4 735 7.7 11.8 99 59 24
FEB
11... 1510 81700 80020 700 10 5.9 917 7.9 13.3 107 76 31
MAR
17... 1520 81700 80020 660 10 4.5 800 7.8 13.5 104 70 27
APR
02... 1600 81700 80020 700 10 13.2 727 7.8 10.4 99 68 27
16... 1400 81700 80020 700 10 15.0 717 7.8 10.3 102 69 28
30... 1450 81700 80020 700 10 15.5 782 7.9 10.8 108 76 29
MAY
14... 1500 81700 80020 800 10 20.5 565 7.7 9.6 107 59 24
28... 1650 81700 80020 660 10 24.0 751 8.0 10.1 120 70 29
JUN
12... 1340 81700 80020 700 10 21.5 557 7.7 8.6 98 56 23
25... 1440 81700 80020 700 10 28.7 638 7.9 9.3 121 64 26
JUL
09... 1740 81700 80020 800 10 27.6 522 7.8 7.8 100 50 22
09... 1741 81700 9720 -- -- --    -- --    --    -- -- --
23... 1430 81700 80020 660 6 30.0 672 8.6 9.4 124 61 25
23... 1431 81700 9720 -- -- --    -- --    --    -- -- --
AUG
06... 1440 81700 80020 700 10 26.7 561 7.5 8.6 107 44 18
06... 1441 81700 9720 -- -- --    -- --    --    -- -- --
20... 1340 81700 80020 680 10 26.8 700 8.7 9.7 121 54 25
20... 1341 81700 9720 -- -- --    -- --    --    -- -- --
SEP
03... 1420 81700 80020 650 10 27.2 671 8.3 9.6 120 54 22
03... 1421 81700 9720 -- -- --    -- --    --    -- -- --
17... 1420 81700 80020 650 10 25.6 696 8.1 7.5 93 56 25
ALKA- CAR- BICAR- SOLIDS, NITRO-
POTAS- LINITY BONATE BONATE CHLO- FLUO- SILICA, RESIDUE GEN,
SODIUM, SIUM, WAT DIS WATER WATER RIDE, SULFATE RIDE, DIS- AT 180 AMMONIA
DIS- DIS- TOT IT DIS IT DIS IT DIS- DIS- DIS- SOLVED DEG. C DIS-
SOLVED SOLVED FIELD FIELD FIELD SOLVED SOLVED SOLVED (MG/L DIS- 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
AS NA) AS K) CACO3 CO3 HCO3 AS CL) AS SO4) AS F) SIO2) (MG/L) AS N)
(00930) (00935) (39086) (00452) (00453) (00940) (00945) (00950) (00955) (70300) (00608)
OCT 1997
16... 57 5.9 146 0 175 82 87 .61 4.1 445 .035
NOV
13... 54 5.2 184 0 224 83 88 .43 5.4 484 .095
DEC
11... 62 5.3 190 0 232 93 89 .40 5.4 520 .181
JAN 1998
08... 56 4.1 142 0 173 97 63 .34 7.1 436 .221
FEB
11... 65 4.0 194 0 237 110 84 .32 6.2 550 .123
MAR
17... 60 3.3 178 0 217 110 65 .26 5.9 489 .052
APR
02... 45 3.5 186 0 227 74 69 .37 6.3 438 .114
16... 39 3.3 192 0 234 72 67 .29 5.2 435 .074
30... 42 3.6 198 0 243 77 72 .37 4.6 468 .049
MAY
14... 24 3.4 168 0 205 43 50 .30 7.3 374 .044
28... 40 3.8 196 7 224 67 75 .33 4.8 464 .043
JUN
12... 27 3.7 148 0 190 46 56 .31 6.0 376 .103
25... 30 4.6 174 0 212 51 59 .47 6.5 387 <.020
JUL
09... 26 3.5 162 0 198 41 42 .30 5.4 341 .042
09... -- --    -- -- -- -- -- --      --    -- --       
23... 42 4.7 172 5 200 61 67 .42 3.1 403 .026
23... -- --    -- -- -- -- -- --      --    -- --       
AUG
06... 37 5.0 128 0 156 53 55 .37 5.3 335 .078
06... -- --    -- -- -- -- -- --      --    -- --       
20... 46 5.0 176 10 195 71 65 .44 4.1 408 .035
20... -- --    -- -- -- -- -- --      --    -- --       
SEP
03... 47 4.7 146 7 163 66 71 .47 4.4 398 .074
03... -- --    -- -- -- -- -- --      --    -- --       
17... 52 5.1 162 0 198 79 70 .42 4.5 429 <.020
NITRO- NITRO- NITRO- NITRO- PHOS- CARBON,
GEN, GEN,AM- GEN,AM- GEN, PHOS- PHORUS MANGA- CARBON, ORGANIC
NITRITE MONIA + MONIA + NO2+NO3 PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS-
DIS- ORGANIC ORGANIC DIS- PHORUS DIS- DIS- DIS- DIS- DIS- PENDED
SOLVED DIS. TOTAL SOLVED TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL
DATE (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (MG/L (UG/L (UG/L (MG/L (MG/L
AS N) AS N) AS N) AS N) AS P) AS P) AS P) AS FE) AS MN) AS C) AS C)
(00613) (00623) (00625) (00631) (00665) (00666) (00671) (01046) (01056) (00681) (00689)
OCT 1997
16... .089 .42 .83 4.05 .858 .684 .690 <3.0 <1.0 4.4 .60
NOV
13... .098 .63 .81 3.67 .560 .528 .519 20    <1.0 4.7 .60
DEC
11... .110 .90 1.2   4.31 .594 .481 .467 22    8.9 5.0 1.0  
JAN 1998
08... .101 .87 1.3   5.24 .522 .244 .225 22    7.9 5.6 2.6  
FEB
11... .045 .49 .81 5.05 .328 .254 .252 12    13    4.2 .40
MAR
17... .047 .51 .74 6.72 .187 .094 .094 <10    10    4.4 .80
APR
02... .046 .62 1.3   5.50 .451 .238 .218 <10    <4.0 5.5 2.7  
16... .037 .47 1.0   5.27 .289 .126 .110 <10    <4.0 5.0 1.8  
30... .040 .52 .83 4.68 .262 .173 .164 <10    <4.0 4.8 1.1  
MAY
14... .049 .63 1.3   5.23 .395 .131 .118 <10    <4.0 5.5 2.7  
28... .079 .45 1.0   5.08 .381 .200 .195 <10    <4.0 4.4 1.3  
JUN
12... .073 .64 1.3   6.73 .507 .269 .226 <10    <4.0 4.5 5.1  
25... .063 .56 .88 7.15 .336 .277 .257 <10    <4.0 4.4 2.7  
JUL
09... .037 .53 1.6   4.49 .486 .254 .174 11    <4.0 4.8 3.0  
09... --        --      --      --      --        --        --        --    --    --    --     
23... .047 .43 1.1   2.90 .506 .367 .341 <10    <4.0 4.1 2.5  
23... --        --      --      --      --        --        --        --    --    --    --     
AUG
06... .064 .62 .94 2.81 .678 .523 .456 <10    <4.0 4.5 2.4  
06... --        --      --      --      --        --        --        --    --    --    --     
20... .037 .49 1.4   2.38 .472 .321 .313 <10    <4.0 5.0 1.6  
20... --        --      --      --      --        --        --        --    --    --    --     
SEP
03... .064 .43 1.0   2.47 .467 .360 .304 <10    <4.0 4.5 1.2  
03... --        --      --      --      --        --        --        --    --    --    --     
17... .042 .51 1.1   2.70 .523 .416 .405 <10    <4.0 4.3 1.1  
2,6-DI- DEETHYL ACIFL- ALDI- ALDI- ALDICA- METHYL
ACETO- ALA- ETHYL ATRA- ATRA- UORFEN CARB, CARB RB SUL- AZIN-
CHLOR, CHLOR, ANILINE ZINE, ZINE, WATER, WATER, SULFONE FOXIDE, ALPHA PHOS
WATER WATER, WAT FLT WATER, WATER, FLTRD, FLTRD, WAT,FLT WAT,FLT BHC WAT FLT
FLTRD DISS, 0.7 U DISS, DISS, GF 0.7U GF 0.7U GF 0.7U GF 0.7U DIS- 0.7 U
DATE REC REC, GF, REC REC REC REC REC REC REC 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)
(49260) (46342) (82660) (39632) (04040) (49315) (49312) (49313) (49314) (34253) (82686)
OCT 1997
16... .0101 .216 <.0030 .438 E.0112 <.0350 <.0160 <.0160 <.0210 <.0020 <.0010
NOV
13... <.0020 .006 <.0030 .266 E.0232 <.0350 <.550   <.100   <.0210 <.0020 <.110  
DEC
11... <.0020 <.002 <.0030 .140 E.0239 <.0350 <.550   <.100   <.0210 <.0020 <.120  
JAN 1998
08... .0196 .008 <.0030 .163 E.0312 <.0350 <.550   <.100   <.0210 <.0020 <.0010
FEB
11... <.0100 .251 <.0030 .107 E.0095 <.0350 <.550   <.100   <.0210 <.0020 <.0010
MAR
17... .0080 .006 <.0030 .066 E.0190 <.0350 <.550   <.100   <.0210 <.0020 <.0010
APR
02... .0164 .009 <.0030 .147 E.0303 <.0350 <.550   <.100   <.0210 <.0020 <.0010
16... .0144 .007 <.0030 .116 E.0245 <.0350 <.550   <.100   <.0210 <.0020 <.0010
30... .0471 .308 <.0030 .172 E.0328 <.0350 <.550   <.100   <.0210 <.0020 <.0010
MAY
14... 1.30     .022 <.0030 3.64   E.189   <.0350 <.550   <.100   <.0210 <.0020 <.0010
28... .604   .148 <.0030 1.72   E.107   <.0350 <.550   <.100   <.0210 <.0020 <.0010
JUN
12... 1.50     .089 <.0030 5.75   E.374   <.0350 <.550   <.100   <.0210 <.0020 <.0010
25... .328   .032 <.0030 2.91   E.337   <.0350 <.550   <.100   <.0210 <.0020 <.0010
JUL
09... .181   .010 <.0030 1.21   E.197   <.0350 <.550   <.100   <.0210 <.0020 <.0010
09... .130   <.050 --          1.23   .320   --          --          --          --          --          --         
23... .0196 <.002 <.0030 .447 E.0847 <.0350 <.550   <.100   <.0210 <.0020 <.0010
23... <.0500 <.050 --          .440 .150   --          --          --          --          --          --         
AUG
06... .0451 <.002 <.0030 .259 E.0552 <.0350 <.550   <.100   <.0210 <.0020 <.0010
06... .0500 <.050 --          .290 .120   --          --          --          --          --          --         
20... .0159 .008 <.0030 .175 E.0504 <.0350 <.550   <.100   <.0210 <.0020 <.0010
20... <.0500 <.050 --          .190 .0800 --          --          --          --          --          --         
SEP
03... <.0020 .020 <.0030 .225 E.0321 <.0350 <.550   <.100   <.0210 <.0020 <.0010
03... <.0500 <.050 --          .250 .0500 --          --          --          --          --          --         
17... <.0020 .114 <.0030 .073 E.0160 <.0350 <.550   <.100   <.0210 <.0020 <.0010
BEN- BENTA- BRO- CAR- CAR- CARBO- CARBO- 3HYDRXY CHLOR-
FLUR- ZON, BRO- MOXYNIL BUTYL- BARYL BARYL, FURAN FURAN, CARBO- AMBEN,
ALIN WATER, MACIL, WATER, ATE, WATER WATER, WATER WATER, FURAN WATER,
WAT FLD FLTRD, WATER, FLTRD, WATER, FLTRD FLTRD, FLTRD FLTRD, WAT,FLT FLTRD,
0.7 U GF 0.7U DISS, GF 0.7U DISS, 0.7 U GF 0.7U 0.7 U GF 0.7U GF 0.7U GF 0.7U
DATE GF, REC REC REC REC REC GF, REC REC GF, REC REC REC REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(82673) (38711) (04029) (49311) (04028) (82680) (49310) (82674) (49309) (49308) (49307)
OCT 1997
16... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.0280 <.0140 <.0110
NOV
13... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
DEC
11... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
JAN 1998
08... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
FEB
11... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
MAR
17... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
APR
02... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
16... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
30... <.0020 .150   <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
MAY
14... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
28... <.0020 .100   <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
JUN
12... <.0020 .100   <.0350 .0600 <.0020 <.0030 <.0080 E.163   <.120   <.0140 <.420  
25... <.0020 E.100   <.230   <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
JUL
09... <.0020 .440   <.0350 <.0350 <.0020 E.0658 <.0080 <.0030 <.120   <.0140 <.420  
09... --          --          --          --          --          --          --          --          --          --          --         
23... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
23... --          --          --          --          --          --          --          --          --          --          --         
AUG
06... <.0020 <.0140 <.0350 <.0350 <.0020 E.0992 <.0080 <.0030 <.120   <.0140 <.420  
06... --          --          --          --          --          --          --          --          --          --          --         
20... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
20... --          --          --          --          --          --          --          --          --          --          --         
SEP
03... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
03... --          --          --          --          --          --          --          --          --          --          --         
17... <.0020 <.0140 <.0350 <.0350 <.0020 <.0030 <.0080 <.0030 <.120   <.0140 <.420  
CHLORO- CLOPYR- DACTHAL DICHLO- DICHLOR
THALO- ALID, CYANA- MONO- DCPA DICAMBA BENIL, PROP,
NIL, CHLOR- WATER, ZINE, ACID, WATER DI- WATER, WATER, WATER,
WAT,FLT PYRIFOS FLTRD, WATER, WAT,FLT FLTRD P,P' AZINON, FLTRD, FLTRD, FLTRD,
GF 0.7U DIS- GF 0.7U DISS, GF 0.7U 0.7 U DDE DIS- GF 0.7U GF 0.7U GF 0.7U
DATE REC SOLVED REC REC REC GF, REC DISSOLV SOLVED REC REC REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(49306) (38933) (49305) (04041) (49304) (82682) (34653) (39572) (38442) (49303) (49302)
OCT 1997
16... <.0350 <.0040 <.0500 <.0040 <.0170 <.0020 <.0060 .044 <.0350 <.0200 <.0320
NOV
13... <.480   <.0040 <.230   <.0040 <.0170 <.0020 <.0060 .042 <.0350 <1.20     <.0320
DEC
11... <.480   <.0040 <.230   <.0100 <.0170 <.0020 <.0060 .030 <.0350 <1.20     <.0320
JAN 1998
08... <.480   <.0040 <.230   .0229 <.0170 <.0020 <.0060 .016 <.0350 <1.20     <.0320
FEB
11... <.480   E.0031 <.230   .0070 <.0170 <.0020 <.0060 .017 <.0350 <1.20     <.0320
MAR
17... <.480   <.0040 <.230   .0075 <.0170 <.0020 <.0060 .013 <.0350 <1.20     <.0320
APR
02... <.480   .0071 <.230   .0201 <.0170 <.0020 <.0060 .030 <.0350 <1.20     <.0320
16... <.480   <.0040 <.230   .0102 <.0170 <.0020 <.0060 .026 <.0350 <1.20     <.0320
30... <.480   <.0200 <.230   .0394 <.0170 <.0020 <.0060 .034 <.0350 <1.20     <.0320
MAY
14... <.480   <.0040 <.230   1.72     <.0170 <.0020 <.0060 .015 <.0350 <1.20     <.0320
28... <.480   E.0303 <.230   .868   <.0170 <.0020 <.0060 .019 <.0350 <1.20     <.0320
JUN
12... <.480   <.0400 <.230   1.01     <.0170 <.0020 <.0060 .028 E.0300 <1.20     <.0320
25... <.480   <.0300 <.230   .922   <.180   <.0020 <.0060 .019 <.0350 <1.20     <.0320
JUL
09... <.480   <.0100 <.230   .270   <.0170 <.0020 <.0060 .045 <.0350 <1.20     <.0320
09... --          --          --          .180   --          --          --          --        --          --          --         
23... <.480   <.0040 <.230   .406   <.0170 <.0020 <.0060 .022 <.0350 <1.20     <.0320
23... --          --          --          .330   --          --          --          --        --          --          --         
AUG
06... <.480   <.0040 <.230   .128   <.0170 <.0020 <.0060 .224 <.0350 <1.20     <.0320
06... --          --          --          .100   --          --          --          --        --          --          --         
20... <.480   <.0040 <.230   .0412 <.0170 <.0020 <.0060 .026 <.0350 <1.20     <.0320
20... --          --          --          <.0500 --          --          --          --        --          --          --         
SEP
03... <.480   <.0040 <.230   .0217 <.0170 <.0020 <.0060 .039 <.0350 <1.20     <.0320
03... --          --          --          .0500 --          --          --          --        --          --          --         
17... <.480   <.0040 <.230   .0484 <.0170 <.0020 <.0060 .060 <.0350 <1.20     <.0320
DISUL- ETHAL- ETHO- FEN- FLUO-
DINOSEB FOTON DIURON, EPTC FLUR- PROP URON, METURON
DI- WATER, WATER WATER, DNOC WATER ALIN WATER WATER, WATER, FONOFOS
ELDRIN FLTRD, FLTRD FLTRD, WAT,FLT FLTRD WAT FLT FLTRD FLTRD, FLTRD, WATER
DIS- GF 0.7U 0.7 U GF 0.7U GF 0.7U 0.7 U 0.7 U 0.7 U GF 0.7U GF 0.7U DISS
DATE SOLVED REC GF, REC REC REC GF, REC GF, REC GF, REC REC REC REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39381) (49301) (82677) (49300) (49299) (82668) (82663) (82672) (49297) (38811) (04095)
OCT 1997
16... <.001 <.0350 <.0170 <.0200 <.0350 <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
NOV
13... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
DEC
11... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
JAN 1998
08... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
FEB
11... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
MAR
17... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
APR
02... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
16... <.001 <.0350 <.0170 .0400 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
30... <.001 <.0350 <.0170 .130   <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
MAY
14... <.001 <.0350 <.0170 .0900 <.420   .0051 <.0040 <.0030 <.0130 <.0350 <.0030
28... <.001 <.0350 <.0170 .0400 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
JUN
12... <.001 <.0350 <.0170 .300   <.420   E.0023 <.0040 <.0030 <.0130 <.0350 <.0030
25... <.001 <.0350 <.0170 .260   <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
JUL
09... <.001 <.0350 <.0170 .180   <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
09... --        --          --          --          --          --          --          --          --          --          --         
23... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
23... --        --          --          --          --          --          --          --          --          --          --         
AUG
06... <.001 <.0350 <.0170 .200   <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
06... --        --          --          --          --          --          --          --          --          --          --         
20... <.001 <.0350 <.0170 <.0200 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
20... --        --          --          --          --          --          --          --          --          --          --         
SEP
03... <.001 <.0350 <.0170 .0800 <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
03... --        --          --          --          --          --          --          --          --          --          --         
17... <.001 <.0350 <.0170 .200   <.420   <.0020 <.0040 <.0030 <.0130 <.0350 <.0030
LIN- METHIO- METH- MOL-
URON LINURON MCPB, MCPA, CARB, OMYL, METRI- INATE
WATER WATER, MALA- WATER, WATER, WATER, WATER, METO- BUZIN WATER
LINDANE FLTRD FLTRD, THION, FLTRD, FLTRD, FLTRD, FLTRD, LACHLOR SENCOR FLTRD
DIS- 0.7 U GF 0.7U DIS- GF 0.7U GF 0.7U GF 0.7U GF 0.7U WATER WATER 0.7 U
DATE SOLVED GF, REC REC SOLVED REC REC REC REC DISSOLV DISSOLV GF, REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(39341) (82666) (38478) (39532) (38487) (38482) (38501) (49296) (39415) (82630) (82671)
OCT 1997
16... <.010 <.0020 <.0180 <.005 <.0350 <.0500 <.0260 <.0170 .287 <.004 <.0040
NOV
13... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .232 <.004 <.0040
DEC
11... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .107 <.004 <.0040
JAN 1998
08... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .444 <.004 <.0040
FEB
11... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .115 <.004 <.0040
MAR
17... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .054 <.004 <.0040
APR
02... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .116 <.004 <.0040
16... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .092 <.004 <.0040
30... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .118 <.020 <.0040
MAY
14... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 2.46   <.030 <.0040
28... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <7.60     .610 <.004 <.0040
JUN
12... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 1.96   .127 <.0040
25... <.004 <.0020 <.0180 <.005 <.140   <.170   <.120   <2.58     1.10   <.004 <.0040
JUL
09... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .617 <.010 <.0040
09... --        --          --          --        --          --          --          --          .450 <.050 --         
23... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .118 <.004 <.0040
23... --        --          --          --        --          --          --          --          .100 <.050 --         
AUG
06... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .122 <.004 <.0040
06... --        --          --          --        --          --          --          --          .090 <.050 --         
20... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .067 <.004 <.0040
20... --        --          --          --        --          --          --          --          <.050 <.050 --         
SEP
03... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .027 <.004 <.0040
03... --        --          --          --        --          --          --          --          <.050 <.050 --         
17... <.004 <.0020 <.0180 <.005 <.140   <.170   <.0260 <.0170 .013 <.004 <.0040
NAPROP- NEB- NORFLUR ORY- METHYL PEB- PENDI- PER-
AMIDE URON, AZON, ZALIN, OXAMYL, PARA- ULATE METH- METHRIN PHORATE
WATER WATER, WATER, WATER, WATER, PARA- THION WATER ALIN CIS WATER
FLTRD FLTRD, FLTRD, FLTRD, FLTRD, THION, WAT FLT FILTRD WAT FLT WAT FLT FLTRD
0.7 U GF 0.7U GF 0.7U GF 0.7U GF 0.7U DIS- 0.7 U 0.7 U 0.7 U 0.7 U 0.7 U
DATE GF, REC REC REC REC 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)
(82684) (49294) (49293) (49292) (38866) (39542) (82667) (82669) (82683) (82687) (82664)
OCT 1997
16... <.0030 <.0150 <.0240 <.0190 <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
NOV
13... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
DEC
11... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
JAN 1998
08... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
FEB
11... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
MAR
17... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
APR
02... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
16... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
30... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
MAY
14... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
28... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
JUN
12... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 .0459 <.0050 <.0020
25... <.0030 <.0150 <.0240 <.310   <.270   <.004 <.0060 <.0040 <.0100 <.0050 <.0020
JUL
09... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
09... --          --          --          --          --          --        --          --          --          --          --         
23... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
23... --          --          --          --          --          --        --          --          --          --          --         
AUG
06... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
06... --          --          --          --          --          --        --          --          --          --          --         
20... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
20... --          --          --          --          --          --        --          --          --          --          --         
SEP
03... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
03... --          --          --          --          --          --        --          --          --          --          --         
17... <.0030 <.0150 <.0240 <.310   <.0180 <.004 <.0060 <.0040 <.0040 <.0050 <.0020
PIC- PRON- PRO- PRO- PRO- PRO- TEBU-
LORAM, PRO- AMIDE PROP- PANIL PARGITE PHAM, POXUR, SI- THIURON
WATER, METON, WATER CHLOR, WATER WATER WATER, WATER, MAZINE, WATER
FLTRD, WATER, FLTRD WATER, FLTRD FLTRD FLTRD, FLTRD, SILVEX, WATER, FLTRD
GF 0.7U DISS, 0.7 U DISS, 0.7 U 0.7 U GF 0.7U GF 0.7U DIS- DISS, 0.7 U
DATE REC REC GF, REC REC GF, REC GF, REC REC REC SOLVED 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)
(49291) (04037) (82676) (04024) (82679) (82685) (49236) (38538) (39762) (04035) (82670)
OCT 1997
16... <.0500 E.0157 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0175 <.0100
NOV
13... <.0500 E.0143 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0086 .0140
DEC
11... <.0500 E.0100 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0069 E.0084
JAN 1998
08... <.0500 E.0098 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 E.0049 .0100
FEB
11... <.0500 E.0067 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 <.0050 <.0100
MAR
17... <.0500 E.0083 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0092 <.0100
APR
02... <.0500 E.0152 <.0030 <.0070 <.0100 <.0130 <.0350 <.0350 <.0210 <.0050 <.0100
16... <.0500 .0206 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0244 <.0100
30... <.0500 E.0162 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0205 .0347
MAY
14... <.0500 .0211 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0394 .0260
28... <.0500 .0235 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0332 .0126
JUN
12... <.0500 .0302 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0339 .0132
25... <.0500 .0208 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0226 .0144
JUL
09... <.0500 .0306 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0153 .0113
09... --          <.0500 --          <.0500 --          --          --          --          --          <.0500 --         
23... <.0500 .0226 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 <.0100 <.0100
23... --          <.0500 --          <.0500 --          --          --          --          --          <.0500 --         
AUG
06... <.0500 .0375 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0175 .0152
06... --          .0600 --          <.0500 --          --          --          --          --          <.0500 --         
20... <.0500 .0235 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 <.0050 <.0100
20... --          <.0500 --          <.0500 --          --          --          --          --          <.0500 --         
SEP
03... <.0500 .0251 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 .0063 .0140
03... --          <.0500 --          <.0500 --          --          --          --          --          <.0500 --         
17... <.0500 .0288 <.0030 <.0070 <.0040 <.0130 <.0350 <.0350 <.0210 <.0100 .0140
TER- TER- THIO- TRIAL- TRI- TRI- SED.
BACIL BUFOS BENCARB LATE CLOPYR, FLUR- 2,4-DB SUSP.
WATER WATER WATER WATER WATER, ALIN WATER, SEDI- SIEVE
FLTRD FLTRD FLTRD FLTRD FLTRD, WAT FLT 2,4,5-T 2,4-D, FLTRD, MENT, DIAM.
0.7 U 0.7 U 0.7 U 0.7 U GF 0.7U 0.7 U DIS- DIS- GF 0.7U SUS- % FINER
DATE GF, REC GF, REC GF, REC GF, REC REC GF, REC SOLVED SOLVED REC PENDED THAN
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (MG/L) .062 MM
(82665) (82675) (82681) (82678) (49235) (82661) (39742) (39732) (38746) (80154) (70331)
OCT 1997
16... <.0070 <.0130 <.0020 .0136 <.0500 <.0020 <.0350 <.035 <.0350 17 97
NOV
13... <.0070 <.0130 <.0020 .0121 <.250   <.0020 <.0350 <.150 <.240   10 81
DEC
11... <.0070 <.0130 <.0020 .0057 <.250   <.0020 <.0350 <.150 <.240   10 86
JAN 1998
08... <.0070 <.0130 <.0020 E.0031 <.250   <.0020 <.0350 <.150 <.240   75 78
FEB
11... <.0070 <.0130 <.0020 E.0030 <.250   <.0020 <.0350 <.150 <.240   21 84
MAR
17... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   28 82
APR
02... <.0070 <.0130 <.0020 E.0040 <.250   <.0020 <.0350 <.150 <.240   87 90
16... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 .060 <.240   56 76
30... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 .180 <.240   37 73
MAY
14... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 .380 <.240   95 90
28... E.0261 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   26 70
JUN
12... <.0070 <.0130 <.0020 <.0010 <.250   .0066 <.0350 <.150 <.240   244 81
25... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   47 92
JUL
09... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 E.030 <.240   87 76
09... --          --          --          --          --          --          --          --        --          -- --
23... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   24 75
23... --          --          --          --          --          --          --          --        --          -- --
AUG
06... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 .160 <.240   100 95
06... --          --          --          --          --          --          --          --        --          -- --
20... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   70 90
20... --          --          --          --          --          --          --          --        --          -- --
SEP
03... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   64 94
03... --          --          --          --          --          --          --          --        --          -- --
17... <.0070 <.0130 <.0020 <.0010 <.250   <.0020 <.0350 <.150 <.240   70 95


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data