Station list     Available data
ILLINOIS RIVER BASIN


05583000       SANGAMON RIVER NEAR OAKFORD, IL

 

LOCATION.-- Lat 40°07'27", long 89°59'06" (NAD of 1983), 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.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1909 to March 1912, August 1914 to June 1919, March 1921 to September 1922, October 1928 to December 1933, October 1939 to current year. Monthly discharge only for some periods, published in WSP 1308.

 

STAGE: Water years 1994 to current year.

 

PARTIAL RECORD: Annual maximum, water years 1926 to 1928; 1934 to 1939.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1978-94 and 1997-98.

 

SEDIMENT: Water years 1981, June 1983 to September 1986, water years 1995-1997.

 

SPECIFIC CONDUCTANCE: Water years 1979-81.

 

WATER TEMPERATURE: Water years 1976-77, 1979-81.

 

MISCELLANEOUS: Contaminants in streambed sediments, August 1996; contaminants in fish tissue, August 1996; streambank sediment size, October 1997; streambed sediment size, October 1997; sediment concentration and particle size, water years 1993-94, 1996-98.

BIOLOGICAL

 

ALGAE: Water year 1981, 1996-97.

 

BENTHIC MACROINVERTEBRATES: Water year 1996.

 

FISH: Water year 1997.

 

HABITAT: Water year 1996, 2003.

 

REVISED RECORDS.-- WSP 715: 1922(M). WSP 1175: 1912(M). WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and artificial control. Datum of gage is 452.88 ft above NGVD of 1929 (U.S. Army Corps of Engineers bench mark) (452.55 ft NAVD 1988). Prior to Oct. 1, 1939, nonrecording gage at site 2.4 mi upstream at datum 458.66 ft above NGVD of 1929 (458.33 ft NAVD 1988). Oct. 1, 1939, to May 14, 1940, nonrecording gage at present site at zero datum of NGVD of 1929 (-0.33 ft NAVD 1988).

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 123,000 ft3/s, May 20, 1943, gage height, 25.63 ft; minimum daily, 45 ft3/s, estimated, Jan. 21-31, 1918.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 3,540 mg/L, June 9, 1984; minimum daily, 1 mg/L, Dec. 7, 8, 1996, Jan. 11, 1997.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 120,000 tons, Feb. 24, 1985; minimum daily, 1.6 tons, Dec. 7, 1996.

 

REMARKS FOR CURRENT YEAR.--Algae community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. A quantitative sample was collected in accordance with NAWQA protocols (Cuffney and others, 1993). The reach is located 591 ft upstream of the State Highway 97 bridge (gage), and continues upstream for 3264 ft.

PERIPHYTON ALGAE, QUANTITATIVE, DTH (Depositional-targeted habitat)
[sp., species; Chlorophyta, Green algae; Cyanophyta, Blue-green algae; Chrysophyta, Golden algae, for example diatoms; Cryptophyta, Cryptophytes; Euglenophyta, Euglenoids; Pyrrhophyta, Dinoflagellates; Rhodophyta, Red algae]
Quantitative sample
Phylum
TaxonCells
(number/cm2)		Biovolume
(biovolume/cm2)
Reach A
9/10/1996
Chlorophyta
Cosmarium granulatum West 8642.89446 24424819.75
Dictyosphaerium pulchellum Wood 103714.7335 6913520.802
Gloeocystis vesiculosa Nägeli 60500.26123 17823082.88
Scenedesmus acuminatus (Lagerheim) Chodat 34571.57785 3835134.469
Scenedesmus bijuga (Turpin) Lagerheim 103714.7335 4182425.231
Chrysophyta
Caloneis bacillum (Grunow) Cleve 34652.85563 14893373.95
Cocconeis placentula var. euglypta (Ehrenberg) Cleve 51979.28344 35868065.15
Cyclostephanos dubius (Frick) Round 51979.28344 7438442.289
Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Hĺkansson 51979.28344 9353558.179
Cyclotella atomus Hustedt 831668.6128 69757472.4
Cyclotella meneghiniana Kützing 190590.7232 164691144.5
Gomphonema gracile Ehrenberg emend Van Heurck 34652.85563 28227582.79
Gomphonema minutum (Agardh) Agardh 502466.4498 167387815.2
Gomphonema parvulum (Kützing) Kützing 225243.5789 48983484.29
Gomphonema sp. 0H UL NAWQA 96 KM 103958.5755 135354065.3
Gyrosigma scalproides (Rabenhorst) Cleve 51979.28344 76164032.53
Lyrella lyra (Ehrenberg) Karajeva 51979.28344 389896605.1
Mayamaea atomus (Kützing) Lange-Bertalot 86632.13907 2429547.327
Navicula arvensis Hustedt 190590.7232 14178094.52
Navicula capitatoradiata Germain 34652.85563 20020423.14
Navicula cincta (Ehrenberg) Ralfs 277222.8709 173637294.9
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 1143544.339 302136531.8
Navicula exilis Kützing 121285.0033 43198027.46
Navicula germainii Wallace 225243.5789 148674917.3
Navicula gregaria Donkin 34652.85563 9666183.58
Navicula gysingensis Foged 103958.5755 9731716.119
Navicula hustedtii Krasske 51979.28344 6756724.354
Navicula menisculus Schumann 103958.5755 36417143.11
Navicula minima Grunow 485140.022 19446667.91
Navicula recens Lange-Bertalot 34652.85563 17692484.9
Navicula reichardtiana Lange-Bertalot 51979.28344 6785098.246
Navicula rostellata Kützing 34652.85563 30716007.6
Navicula subminuscula Manguin 485140.022 35328069.61
Navicula symmetrica Patrick 623751.4531 714193112.6
Navicula tantula Hustedt 121285.0033 6530832.394
Navicula tenelloides Hustedt 277222.8709 45853219.06
Navicula tripunctata (Müller) Bory 69305.71125 64727163.61
Nitzschia acicularis (Kützing) Smith 51979.28344 9723298.172
Nitzschia amphibia Grunow 502466.4498 93626536.6
Nitzschia angustatula Lange-Bertalot 34652.85563 12812293.27
Nitzschia dissipata (Kützing) Grunow 242570.0067 61667425.52
Nitzschia inconspicua Grunow 502466.4498 17385294.74
Nitzschia palea (Kützing) Smith 225243.5789 68211352.89
Nitzschia palea var. debilis (Kützing) Grunow 502466.4498 85671727.87
Nitzschia sociabilis Hustedt 138611.4312 31718196.96
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot 103958.5755 13837130.88
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 918300.7605 468190585.9
Sellaphora seminulum (Grunow) Mann 242570.0067 17961024.39
Simonsenia delognei (Grunow) Lange-Bertalot 467813.5942 26242453.43
Surirella minuta Brébisson 69305.71125 50803844.8
Thalassiosira pseudonana Hasle et Heimdal 207917.1511 9054165.706
Thalassiosira weissflogii (Grunow) Fryxell et Hasle 34652.85563 30902446.87
Tryblionella apiculata Gregory 34652.85563 84576399.82
Tryblionella hungarica (Grunow) Mann 34652.85563 30635150.81
Cyanophyta
Anabaena wisconsiense Prescott 69143.15569 7114870.517
Merismopedia tenuissima Lemmermann 69143.15569 81828.02605
Oscillatoria limnetica Lemmermann 172857.8892 5983714.086
Phormidium aerugineo-caeruleum 103714.7335 5197416.181
Phormidium formosum 337072.884 12451544.04
Rhabdogloea smithii (Chodat) Komárek 8642.89446 86174.75949
Rhodophyta
Unknown Rhodophyte UL NAWQA 1996 TS (resting spore, filament) NAWQA 96 TS 8642.89446 3457157.785
PERIPHYTON ALGAE, QUANTITATIVE, RTH (Richest-targeted habitat, cobbles or snags)
[sp., species; Chlorophyta, Green algae; Cyanophyta, Blue-green algae; Chrysophyta, Golden algae, for example diatoms; Cryptophyta, Cryptophytes; Euglenophyta, Euglenoids; Pyrrhophyta, Dinoflagellates; Rhodophyta, Red algae]
Quantitative sample
Phylum
TaxonCells
(number/cm2)		Biovolume
(biovolume/cm2)
Reach A
9/10/1996
Chlorophyta
Protococcus viridis var. 0A UL NAWQA 1996 TS 10121.72911 4379953.946
Scenedesmus protuberans Fritsch 3680.62877 529828.7361
Scenedesmus quadricauda (Turpin) Brébisson 1840.31438 64064.66706
Schroederia setigera (Schröder) Lemmermann 920.15719 366630.7178
Chrysophyta
Cyclotella atomus Hustedt 185645.8211 15571326.17
Cyclotella meneghiniana Kützing 67638.39957 58446944.59
Cyclotella ocellata Pantocsek 7195.57403 1367030.522
Cyclotella pseudostelligera Hustedt 5756.45922 497440.19
Gomphonema olivaceum (Lyngbye) Kützing 2878.22961 1124412.302
Gomphonema parvulum (Kützing) Kützing 2878.22961 625925.5679
Mayamaea atomus (Kützing) Lange-Bertalot 10073.80364 282513.8913
Navicula arvensis Hustedt 11512.91845 856449.0613
Navicula capitatoradiata Germain 4317.34442 2494312.821
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 54686.3654 14448717.21
Navicula exilis Kützing 2878.22961 1025137.803
Navicula germainii Wallace 18708.4934 12348781.37
Navicula gregaria Donkin 2878.22961 802863.0055
Navicula menisculus Schumann 5756.45922 2016512.812
Navicula minima Grunow 11512.91845 461491.3049
Navicula recens Lange-Bertalot 24464.95263 12490913
Navicula reichardtiana Lange-Bertalot 2878.22961 375708.7325
Navicula rostellata Kützing 2878.22961 5137639.858
Navicula subminuscula Manguin 67638.39957 4925452.406
Navicula symmetrica Patrick 2878.22961 3295562.287
Navicula tantula Hustedt 17269.3786 929904.0611
Navicula tenelloides Hustedt 2878.22961 476064.9527
Navicula trivialis Lange-Bertalot 8634.68884 9415291.561
Nitzschia amphibia Grunow 5756.45922 1072623.536
Nitzschia dissipata (Kützing) Grunow 1439.11481 365859.3507
Nitzschia frustulum (Kützing) Grunow 4317.34442 212608.2705
Nitzschia gracilis Hantzsch ex Rabenhorst 4317.34442 1721768.453
Nitzschia inconspicua Grunow 273431.8298 9460717.136
Nitzschia palea (Kützing) Smith 5756.45922 1743250.012
Nitzschia palea var. debilis (Kützing) Grunow 61881.94035 10551018.39
Nitzschia perminuta (Grunow) Peragallo 5756.45922 591138.8459
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 20147.60821 10272147.1
Thalassiosira pseudonana Hasle et Heimdal 60442.82554 2632103.006
Cyanophyta
Cyanothece aeruginosa (Nägeli) Komárek 1840.31438 2594890.198
Lyngbya aestuarii (Mertens) Liebmann 6441.10034 986711.9267
Phormidium aerugineo-caeruleum 19323.30103 968341.0834
Phormidium formosum 28524.87295 1053714.874
Phormidium tenue (Agardh ex Gomont) Anagnostidis & Komárek 58890.06028 10113206.51
Rhabdogloea smithii (Chodat) Komárek 920.15719 9174.51035
Unknown Cyanophyte curved filam. UL NAWQA 96 TS 6441.10034 4647425.655
Euglenophyta
Trachelomonas volvocina Ehrenberg 1840.31438 2704922.099
Rhodophyta
Unknown Rhodophyte UL NAWQA 1996 TS (resting spore, filament) NAWQA 96 TS 1840.31438 736125.7535


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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data