Station list     Available data
ILLINOIS RIVER BASIN


05583000       SANGAMON RIVER NEAR OAKFORD, IL



LOCATION.--Lat 40°07'25", long 89°59'05", in NW1/4SE1/4 sec.3, T.19 N., R.8 W., Mason County, Hydrologic Unit 07130008, on right bank at downstream side of bridge on State Highway 97, 300 ft upstream from a railroad bridge, 0.8 mi downstream from Crane Creek, 1.8 mi northwest of Oakford, and at mile 25.7.

DRAINAGE AREA.--5,093 mi2.

PERIOD OF RECORD.--Water-quality records, water years 1976 to 1994, 1997 to 1998 (discontinued).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS- PH
AGENCY AGENCY CHARGE, NUMBER SPE- WATER
COL- ANA- INST. OF CIFIC WHOLE
LECTING LYZING CUBIC SAM- TEMPER- CON- FIELD
SAMPLE SAMPLE GAGE FEET STREAM PLING ATURE DUCT- (STAND-
DATE TIME (CODE (CODE HEIGHT PER WIDTH POINTS WATER ANCE ARD
NUMBER) NUMBER) (FEET) SECOND (FT) (COUNT) (DEG C) (US/CM) UNITS)
(00027) (00028) (00065) (00061) (00004) (00063) (00010) (00095) (00400)
OCT 1997
22... 1510 81700 80020 3.12 294 200 10 12.3 996 8.0
NOV
19... 1620 81700 80020 3.24 356 200 10 5.9 988 7.9
DEC
17... 1620 81700 80020 4.49 1240 310 10 3.5 754 8.0
JAN 1998
15... 1240 81700 80020 8.51 5750 360 10 .9 669 7.9
FEB
06... 1200 81700 80020 5.88 2670 360 10 3.4 719 8.1
MAR
12... 1320 81700 80020 10.40 8380 360 10 2.8 675 7.8
APR
07... 1450 81700 80020 12.90 12600 380 10 12.7 572 7.9
MAY
04... 1620 81700 80020 15.20 17700 700 10 14.5 504 7.8
26... 1810 81700 80020 12.49 11900 400 10 20.1 524 7.6
JUN
01... 1640 81700 80020 8.94 6320 365 10 22.7 613 8.0
21... 1240 81700 80020 17.36 25100 700 10 23.6 417 7.6
29... 1730 81700 80020 14.08 14900 400 10 26.7 467 7.6
JUL
27... 1530 81700 80020 5.40 2190 347 10 24.8 640 8.0
AUG
25... 1410 81700 80020 4.75 1510 330 10 28.2 604 8.4
SEP
22... 1540 81700 80020 3.59 568 220 10 22.5 837 8.3
OXYGEN, ALKA- CAR- BICAR-
DIS- MAGNE- POTAS- LINITY BONATE BONATE CHLO-
SOLVED CALCIUM SIUM, SODIUM, SIUM, WAT DIS WATER WATER RIDE,
OXYGEN, (PER- DIS- DIS- DIS- DIS- TOT IT DIS IT DIS IT DIS-
DIS- CENT SOLVED SOLVED SOLVED SOLVED FIELD FIELD FIELD SOLVED
DATE SOLVED SATUR- (MG/L (MG/L (MG/L (MG/L MG/L AS MG/L AS MG/L AS (MG/L
(MG/L) ATION) AS CA) AS MG) AS NA) AS K) CACO3 CO3 HCO3 AS CL)
(00300) (00301) (00915) (00925) (00930) (00935) (39086) (00452) (00453) (00940)
OCT 1997
22... 13.8 129 72 32 94    6.2 236 0 278 110
NOV
19... 15.3 123 70 33 89    6.5 248 0 302 110
DEC
17... 13.6 103 71 34 46    3.4 236 0 287 73
JAN 1998
15... 14.4 101 76 34 16    2.0 236 0 288 38
FEB
06... 12.9 97 81 37 24    2.3 248 0 302 50
MAR
12... 13.3 99 73 34 21    1.8 206 0 251 48
APR
07... 9.6 91 61 27 13    2.2 178 0 217 32
MAY
04... 8.7 86 57 25 8.9 2.5 156 0 190 23
26... 7.7 85 56 26 9.3 2.4 168 0 205 24
JUN
01... 7.9 92 67 30 14    2.2 204 0 249 32
21... 7.2 85 47 20 6.8 3.0 152 0 185 17
29... 6.3 78 52 22 8.9 3.0 154 0 188 20
JUL
27... 11.2 135 72 33 18    2.5 236 0 282 29
AUG
25... 10.8 139 62 28 20    3.4 226 7 261 33
SEP
22... 8.0 93 73 33 61    5.2 264 17 288 78
SOLIDS, NITRO- NITRO- NITRO- NITRO- NITRO-
FLUO- SILICA, RESIDUE GEN, GEN, GEN,AM- GEN,AM- GEN,
SULFATE RIDE, DIS- AT 180 AMMONIA NITRITE MONIA + MONIA + NO2+NO3
DIS- DIS- SOLVED DEG. C DIS- DIS- ORGANIC ORGANIC DIS-
SOLVED SOLVED (MG/L DIS- SOLVED SOLVED DIS. TOTAL SOLVED
DATE (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L (MG/L
AS SO4) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N) AS N)
(00945) (00950) (00955) (70300) (00608) (00613) (00623) (00625) (00631)
OCT 1997
22... 120 .44 7.0 628 <.015 .015 .33 .44 1.49
NOV
19... 110 .40 7.7 600 <.020 .020 .48 .54 2.01
DEC
17... 63 .31 6.7 493 .145 .033 .52 .58 3.91
JAN 1998
15... 43 .23 8.6 400 <.020 .041 .26 .68 8.16
FEB
06... 56 .28 7.8 458 .041 .019 .33 .47 8.02
MAR
12... 45 .22 7.0 410 <.020 .033 .33 .79 10.1  
APR
07... 37 .21 8.6 340 .023 .043 .50 .87 8.85
MAY
04... 32 .27 8.7 307 .076 .059 .46 1.4   8.66
26... 33 .22 7.8 336 .051 .084 .45 1.4   8.30
JUN
01... 41 .26 8.6 370 .091 .061 .37 .90 9.97
21... 24 .23 8.0 246 .029 .058 .30 1.1   6.20
29... 27 .30 8.9 282 <.020 .045 .34 1.2   6.28
JUL
27... 43 .25 9.2 348 .020 .019 .22 .79 4.67
AUG
25... 44 .27 8.5 371 <.020 .015 .25 .90 2.48
SEP
22... 79 .33 5.1 536 <.020 .034 .33 1.5   1.79
PHOS- CARBON, SED.
PHOS- PHORUS MANGA- CARBON, ORGANIC SUSP.
PHOS- PHORUS ORTHO, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
PHORUS DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (UG/L (UG/L (MG/L (MG/L PENDED THAN
AS P) AS P) AS P) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00665) (00666) (00671) (01046) (01056) (00681) (00689) (80154) (70331)
OCT 1997
22... .566 .534 .504 5.9 63    3.3 .50 3 69
NOV
19... .627 .544 .566 25    108    3.8 .70 4 88
DEC
17... .348 .273 .275 <10    10    2.7 1.3   18 78
JAN 1998
15... .211 .111 .176 <10    8.5 2.6 1.5   132 63
FEB
06... .156 .112 .170 <10    9.7 2.2 .70 37 57
MAR
12... .206 .070 .041 <10    5.1 2.6 2.8   121 91
APR
07... .283 .157 .148 <10    <4.0 3.1 2.0   106 96
MAY
04... .414 .143 .136 <10    <4.0 3.6 3.0   197 98
26... .478 .147 .126 <10    <4.0 3.3 >5.0   151 89
JUN
01... .297 .147 .176 <10    <4.0 2.3 3.0   407 93
21... .354 .128 .126 <10    4.7 3.5 3.2   158 77
29... .383 .183 .157 <10    <4.0 3.4 3.6   224 97
JUL
27... .304 .121 .124 <10    <4.0 2.3 2.9   141 92
AUG
25... .216 .177 .147 <10    <4.0 2.8 3.7   99 97
SEP
22... .580 .343 .352 <10    <4.0 3.0 5.1   95 99


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data