Station list     Available data
ILLINOIS RIVER BASIN


05572000       SANGAMON RIVER AT MONTICELLO, IL



LOCATION.-- Lat 40°01'51", long 88°35'20", in NE1/4SW1/4 sec.12, T.18 N., R.5 E., Piatt County, Hydrologic Unit 07130006, on right downstream side of highway bridge, 0.5 mi west of Monticello, and at mile 162.2.

DRAINAGE AREA.-- 550 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: February 1908 to December 1912, June 1914 to current year. Monthly discharge only for some periods, published in WSP 1308. Published as "near Monticello" 1910-12.
 

STAGE: Water years 1994-2001.
SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1990-92 and 1998 to current.
 

MISCELLANEOUS: Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996; streambank sediment size, October 1997; streambed sediment size, October 1997.
BIOLOGICAL
 

BENTHIC MACROINVERTEBRATES: Water years 1996-1998.
 

FISH: Water years 1997 and 1998.
 

HABITAT: Water years 1996-1998.

REVISED RECORDS.-- WSP 525: 1920. WSP 1115: 1946-47. WSP 1208: 1915-16, 1918-20, 1927, 1929, 1939. WSP 1508: 1908(M), 1917, 1928(M). WDR IL-81-2: 1909(P), 1912(P), 1915(P), 1919-32(P), 1935(P), 1937-38(P), 1940-41(P), 1944(P), 1946-47(P). WDR IL-89-2: 1988.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 625.89 ft above sea level. Prior to Sept. 30, 1964, nonrecording gage at site 0.2 mi downstream at same datum. Oct. 1, 1964, to Oct. 22, 1971, nonrecording gage at present site and datum. Water temperature and specific conductance continuously recorded at station for the National Water-Quality Assessment Program.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 19,000 ft3/s, Oct. 4, 1926, gage height, 18.50 ft, from graph based on gage readings, site then in use; maximum gage height, 19.06 ft, Apr. 13, 1994, discharge, 15,900 ft3/s; no flow Aug. 28, Sept. 5, 11, 17, 18, Oct. 30, 31, Nov. 1, 1988.

REMARKS FOR CURRENT YEAR.-- Sampled as part of the Lower Illinois River Basin (LIRB) National Water Quality Assessment Program (NAWQA).
SURFACE-WATER QUALITY
DIS- PH
AGENCY AGENCY CHARGE, WATER SPE- MAGNE- POTAS-
ANA- COL- INST. WHOLE CIFIC CALCIUM SIUM, SIUM,
LYZING LECTING CUBIC OXYGEN, FIELD CON- TEMPER- TEMPER- DIS- DIS- DIS-
SAMPLE SAMPLE GAGE FEET DIS- (STAND- DUCT- ATURE ATURE SOLVED SOLVED SOLVED
DATE TIME (CODE (CODE HEIGHT PER SOLVED ARD ANCE AIR WATER (MG/L (MG/L (MG/L
NUMBER) NUMBER) (FEET) SECOND (MG/L) UNITS) (US/CM) (DEG C) (DEG C) AS CA) AS MG) AS K)
(00028) (00027) (00065) (00061) (00300) (00400) (00095) (00020) (00010) (00915) (00925) (00935)
FEB 2001
05... 1100 80020 81700 10.65 -- 12.1 7.6 547 -4.0 .5 61.7 25.1 2.80
MAR 2001
06... 1400 80020 81700 9.82 777 12.6 7.9 627 3.0 3.5 75.8 30.1 1.49
APR 2001
20... 1200 80020 81700 7.29 286 10.1 7.9 663 24.0 12.2 76.2 33.4 .99
MAY 2001
16... 0900 80020 81700 5.86 120 8.8 7.8 780 26.5 20.3 78.3 34.8 1.09
JUN 2001
15... 0945 80020 81700 7.69 359 5.5 7.7 684 22.0 23.8 84.3 35.2 .84
JUL 2001
10... 1040 80020 81700 5.18 73 6.7 7.9 654 32.5 25.8 72.3 32.9 1.43
AUG 2001
03... 1010 80020 81700 4.23 18 3.5 7.5 633 26.0 25.3 58.4 31.7 1.59
ALKA- BICAR- CAR- SOLIDS, NITRO- NITRO- NITRO- NITRO-
LINITY BONATE BONATE CHLO- FLUO- SILICA, RESIDUE GEN, GEN,AM- GEN,AM- GEN,
SODIUM, WAT DIS WATER WATER RIDE, RIDE, DIS- SULFATE AT 180 AMMONIA MONIA + MONIA + NO2+NO3
DIS- TOT IT DIS IT DIS IT DIS- DIS- SOLVED DIS- DEG. C DIS- ORGANIC ORGANIC DIS-
SOLVED FIELD FIELD FIELD SOLVED SOLVED (MG/L SOLVED DIS- SOLVED DIS. TOTAL SOLVED
DATE (MG/L MG/L AS MG/L AS MG/L AS (MG/L (MG/L AS (MG/L SOLVED (MG/L (MG/L (MG/L (MG/L
AS NA) CACO3 HCO3 CO3 AS CL) AS F) SIO2) AS SO4) (MG/L) AS N) AS N) AS N) AS N)
(00930) (39086) (00453) (00452) (00940) (00950) (00955) (00945) (70300) (00608) (00623) (00625) (00631)
FEB 2001
05... 7.8 169 206 -- 28.5 .2 7.3 31.0 324 .300 .79 1.0 8.40
MAR 2001
06... 7.4 207 252 -- 29.2 .2 7.8 39.1 377 .052 .33 .53 11.3
APR 2001
20... 9.8 209 255 -- 35.1 .2 3.7 42.7 385 E.021 .28 .46 11.3
MAY 2001
16... 11.2 256 313 -- 36.9 .2 5.4 47.5 405 E.021 .30 .58 7.43
JUN 2001
15... 7.9 234 286 -- 31.6 .2 8.4 40.2 395 <.040 .28 .77 12.9
JUL 2001
10... 12.9 237 289 289 34.6 .2 6.6 43.6 389 E.023 .27 .62 4.36
AUG 2001
03... 26.4 224 273 -- 48.6 .2 .7 45.0 387 E.022 .38 1.1 .051
NITRO- PHOS- 2,6-DI- BEN-
GEN, PHOS- PHORUS MANGA- ETHYL ACETO- ALA- ATRA- FLUR- BUTYL-
NITRITE PHORUS ORTHO, PHOS- IRON, NESE, ANILINE CHLOR, CHLOR, ALPHA ZINE, ALIN ATE,
DIS- DIS- DIS- PHORUS DIS- DIS- WAT FLT WATER WATER, BHC WATER, WAT FLD WATER,
SOLVED SOLVED SOLVED TOTAL SOLVED SOLVED 0.7 U FLTRD DISS, DIS- DISS, 0.7 U DISS,
DATE (MG/L (MG/L (MG/L (MG/L (UG/L (UG/L GF, REC REC REC, SOLVED REC GF, REC REC
AS N) AS P) AS P) AS P) AS FE) AS MN) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(00613) (00666) (00671) (00665) (01046) (01056) (82660) (49260) (46342) (34253) (39632) (82673) (04028)
FEB 2001
05... .035 .405 .348 .441 M 12.1 <.002 .052 <.002 <.005 .124 <.010 <.002
MAR 2001
06... .022 .086 .079 .128 <10 11.6 <.002 .023 E.002 <.005 .127 <.010 <.002
APR 2001
20... .041 .043 .024 .087 <10 17.0 <.002 .026 <.002 <.005 .188 <.010 <.002
MAY 2001
16... .043 .070 .048 .127 <10 13.5 <.002 .086 <.002 <.005 .761 <.010 <.002
JUN 2001
15... .036 .066 .044 .166 <10 E2.7 <.002 .023 <.002 <.005 .520 <.010 <.002
JUL 2001
10... .028 .081 .066 .160 <10 E3.1 <.002 .028 <.002 <.005 .361 <.010 <.002
AUG 2001
03... .010 .101 .086 .346 M 62.2 <.002 .006 <.002 <.005 .134 <.010 <.002
CAR- CARBO- DEETHYL DISUL- ETHAL- ETHO-
BARYL FURAN CYANA- DCPA ATRA- FOTON EPTC FLUR- PROP
WATER WATER CHLOR- ZINE, WATER ZINE, DI- DI- WATER WATER ALIN WATER FONOFOS
FLTRD FLTRD PYRIFOS WATER, FLTRD WATER, AZINON, ELDRIN FLTRD FLTRD WAT FLT FLTRD WATER
0.7 U 0.7 U DIS- DISS, 0.7 U DISS, DIS- DIS- 0.7 U 0.7 U 0.7 U 0.7 U DISS
DATE GF, REC GF, REC SOLVED REC GF, REC REC SOLVED SOLVED GF, REC GF, REC GF, REC GF, REC REC
(UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L) (UG/L)
(82680) (82674) (38933) (04041) (82682) (04040) (39572) (39381) (82677) (82668) (82663) (82672) (04095)
FEB 2001
05... <.041 <.020 <.005 <.018 <.003 E.055 <.005 <.005 <.021 <.002 <.009 <.005 <.003
MAR 2001
06... <.041 <.020 <.005 <.018 E.001 E.076 <.005 <.005 <.021 <.002 <.009 <.005 <.003
APR 2001
20... <.041 <.020 <.005 <.018 E.001 E.043 <.005 <.005 <.021 <.002 <.009 <.005 <.003
MAY 2001
16... <.041 <.020 <.005 <.018 <.003 E.067 <.005 <.005 <.021 <.002 <.009 <.005 <.003
JUN 2001
15... <.041 <.020 <.005 <.018 <.003 E.105 E.003 <.005 <.021 <.002 <.009 <.005 <.003
JUL 2001
10... <.041 <.020 <.005 E.005 <.003 E.067 .015 <.005 <.021 <.002 <.009 <.005 <.003
AUG 2001
03... <.041 <.020 <.005 <.018 <.003 E.018 <.005 <.005 <.021 <.002 <.009 <.005 <.003
LIN- METHYL METHYL MOL- NAPROP- PEB- PENDI-
URON AZIN- PARA- METRI- INATE AMIDE ULATE METH-
WATER MALA- PHOS THION METO- BUZIN WATER WATER PARA- WATER ALIN
LINDANE FLTRD THION, WAT FLT WAT FLT LACHLOR SENCOR FLTRD FLTRD P,P' THION, FILTRD WAT FLT
DIS- 0.7 U DIS- 0.7 U 0.7 U WATER WATER 0.7 U 0.7 U DDE DIS- 0.7 U 0.7 U
DATE SOLVED GF, REC SOLVED GF, REC GF, REC DISSOLV DISSOLV GF, REC GF, REC DISSOLV SOLVED 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) (UG/L) (UG/L)
(39341) (82666) (39532) (82686) (82667) (39415) (82630) (82671) (82684) (34653) (39542) (82669) (82683)
FEB 2001
05... <.004 <.035 <.027 <.050 <.006 .672 <.006 <.002 <.007 <.003 <.007 <.002 <.010
MAR 2001
06... <.004 <.035 <.027 <.050 <.006 .376 E.002 <.002 <.007 <.003 <.007 <.002 <.010
APR 2001
20... <.004 <.035 <.027 <.050 <.006 .175 <.006 <.002 <.007 <.003 <.007 <.002 <.010
MAY 2001
16... <.004 <.035 <.027 <.050 <.006 .104 <.006 <.002 <.007 <.003 <.007 <.002 <.010
JUN 2001
15... <.004 <.035 <.027 <.050 <.006 .085 <.006 <.002 <.007 <.003 <.007 <.002 <.010
JUL 2001
10... <.004 <.035 <.027 <.050 <.006 .089 <.006 <.002 <.007 <.003 <.007 <.002 <.010
AUG 2001
03... <.004 <.035 <.027 <.050 <.006 .025 <.006 <.002 <.007 <.003 <.007 <.002 <.010
PER- PRON- PRO- PRO- TEBU- TER- TER- THIO- TRIAL-
METHRIN PHORATE PRO- AMIDE PROPA- PANIL PARGITE SI- THIURON BACIL BUFOS BENCARB LATE
CIS WATER METON, WATER CHLOR, WATER WATER MAZINE, WATER WATER WATER WATER WATER
WAT FLT FLTRD WATER, FLTRD WATER, FLTRD FLTRD WATER, FLTRD FLTRD FLTRD FLTRD FLTRD
0.7 U 0.7 U 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 GF, REC GF, REC 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) (UG/L) (UG/L)
(82687) (82664) (04037) (82676) (04024) (82679) (82685) (04035) (82670) (82665) (82675) (82681) (82678)
FEB 2001
05... <.006 <.011 <.015 <.004 <.010 <.011 <.023 <.011 <.016 <.034 <.017 <.005 <.002
MAR 2001
06... <.006 <.011 E.004 <.004 <.010 <.011 <.023 E.002 E.003 <.034 <.017 <.005 <.002
APR 2001
20... <.006 <.011 E.003 <.004 <.010 <.011 <.023 .048 <.016 <.034 <.017 <.005 <.002
MAY 2001
16... <.006 <.011 E.007 <.004 <.010 <.011 <.023 .014 E.005 <.034 <.017 <.005 <.002
JUN 2001
15... <.006 <.011 E.006 <.004 <.010 <.011 <.023 E.009 E.005 <.034 <.017 <.005 <.002
JUL 2001
10... <.006 <.011 .051 <.004 <.010 <.011 <.023 .011 E.008 <.034 <.017 <.005 <.002
AUG 2001
03... <.006 <.011 .073 <.004 <.010 <.011 <.023 <.011 <.016 <.034 <.017 <.005 <.002
TRI- SED.
FLUR- SUSP.
ALIN SIEVE SEDI-
WAT FLT DIAM. MENT,
0.7 U % FINER SUS-
DATE GF, REC THAN PENDED
(UG/L) .062 MM (MG/L)
(82661) (70331) (80154)
FEB 2001
05... <.009 92 84
MAR 2001
06... <.009 96 121
APR 2001
20... <.009 85 118
MAY 2001
16... <.009 96 90
JUN 2001
15... <.009 77 225
JUL 2001
10... <.009 95 113
AUG 2001
03... <.009 96 138
<</td> Less than
E Estimated value
M Presence verified, not quantified


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data