Station list     Available data
ILLINOIS RIVER BASIN


05572000       SANGAMON RIVER AT MONTICELLO, IL

 

LOCATION.-- Lat 40°01'51", long 88°35'20" (NAD of 1927), 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 to current year.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1990-92, 1997-98, and 2001 to current year.

 

MISCELLANEOUS: Water years 2004 and 2005; Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996; streambank sediment size, October 1997; streambed sediment size, October 1997.

BIOLOGICAL

 

ALGAE: Water years 1996-98 and 2002-05.

 

BENTHIC MACROINVERTEBRATES: Water years 1996-98 and 2002-05.

 

FISH: Water years 1997-98 and 2002-05

 

HABITAT: Water years 1996-98 and 2002-05.

 

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, and crest-stage gage. Datum of gage is 625.89 ft above NGVD of 1929 (625.66 ft NAVD 1988). 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.

 

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.--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). Reach A begins 820 ft upstream of the gage, and continues upstream for 915 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
9/5/1997
Chrysophyta
Achnanthidium minutissimum (Kützing) Czarnecki 280.04581 15226.82365
Amphora copulata (Kützing) Schoeman et Archibald 1120.19538 1873573.182
Amphora montana Krasske 6441.11432 1385057.39
Amphora pediculus (Kützing) Grunow 3920.67775 369029.9416
Aulacoseira muzzanensis (Meister) Krammer 560.09162 2037647.236
Caloneis bacillum (Grunow) Cleve 280.04581 120360.267
Chrysococcus rufescens Klebs 12142.11797 1756984.707
Cocconeis pediculus Ehrenberg 560.09162 1784918.197
Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Håkansson 2240.39076 403153.4082
Cyclotella atomus Hustedt 14562.53991 1221455.229
Cyclotella meneghiniana Kützing 15122.63153 13067600.84
Cyclotella stelligera (Cleve et Grunow) Van Heurck 280.04581 67877.20256
Cylindrotheca gracilis (Brébisson) Grunow 2240.39076 938226.409
Cymatopleura solea var. apiculata (Smith) Ralfs 560.09162 3415555.298
Cymbella affinis Kützing 560.09162 331871.0974
Encyonema minutum (Hilse) Mann 560.09162 114975.853
Fragilaria capucina var. gracilis (Østrup) Hustedt 280.04581 14972.19561
Fragilaria vaucheriae (Kützing) Petersen 560.09162 368652.7264
Geissleria decussis (Hustedt) Lange-Bertalot et Metzeltin 560.09162 147940.9868
Gomphonema angustatum (Kützing) Rabenhorst 1960.3328 615284.9493
Gomphonema olivaceum (Lyngbye) Kützing 4480.78151 1750466.965
Gomphonema parvulum (Kützing) Kützing 2240.39076 487215.4222
Gyrosigma acuminatum (Kützing) Rabenhorst 560.09162 3932397.308
Gyrosigma scalproides (Rabenhorst) Cleve 6441.11432 9438014.682
Hantzschia amphioxys (Ehrenberg) Grunow 560.09162 590632.5916
Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski 560.09162 349190.5606
Luticola mutica (Kützing) Mann 280.04581 162435.0754
Melosira varians Agardh 1400.24119 7105453.951
Meridion circulare (Greville) Agardh 560.09162 355704.7438
Navicula canalis Patrick 1680.287 558849.205
Navicula capitatoradiata Germain 1400.24119 808978.6697
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 5320.91894 1405843.165
Navicula erifuga Lange-Bertalot 3360.58613 1472772.679
Navicula exilis Kützing 2240.39076 797959.0115
Navicula germainii Wallace 13442.34453 8872792.165
Navicula gregaria Donkin 6441.11432 1796705.994
Navicula kotschyi Grunow 280.04581 61612.33839
Navicula meniscus Schumann 560.09162 936715.1061
Navicula minima Grunow 1960.3328 78579.25407
Navicula reichardtiana Lange-Bertalot 3920.67775 511784.3489
Navicula rostellata Kützing 1120.19538 992932.0141
Navicula symmetrica Patrick 560.09162 641302.836
Navicula tenelloides Hustedt 4760.82732 787450.3907
Navicula tripunctata (Müller) Bory 840.13743 784635.3741
Navicula trivialis Lange-Bertalot 3360.58613 3664393.571
Nitzschia acicularis (Kützing) Smith 560.09162 104771.3136
Nitzschia amphibia Grunow 2240.39076 417460.7621
Nitzschia capitellata Hustedt 560.09162 221382.6931
Nitzschia dissipata (Kützing) Grunow 1400.24119 355976.6942
Nitzschia filiformis var. conferta (Reichardt) Lange-Bertalot 560.09162 223019.6932
Nitzschia frustulum (Kützing) Grunow 3360.58613 165492.5659
Nitzschia linearis (Agardh ex Smith) Smith 280.04581 833259.0077
Nitzschia palea (Kützing) Smith 2800.48237 848080.5197
Nitzschia palea var. debilis (Kützing) Grunow 13442.34453 2291951.797
Nitzschia palea var. tenuirostris Grunow 1120.19538 386808.553
Nitzschia vermicularis (Kützing) Hantzsch ex Rabenhorst 1120.19538 5124846.344
Placoneis exigua (Gregory) Mereschkowsky 560.09162 1045909.733
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot 4760.82732 1347795.002
Planothidium rostratum (Østrup) Lange-Bertalot 1680.287 269760.3902
Reimeria sinuata (Gregory) Kociolek et Stoermer 280.04581 46289.68304
Simonsenia delognei (Grunow) Lange-Bertalot 1960.3328 109966.7538
Stephanodiscus minutulus (Kützing) Cleve et Möller 3360.58613 1070233.39
Surirella brebissonii Krammer et Lange-Bertalot 560.09162 727417.1462
Surirella minuta Brébisson 1960.33281 1607259.033
Synedra parasitica (Smith) Hustedt 280.04581 92857.48856
Synedra ulna (Nitzsch) Ehrenberg 1400.24119 8400566.69
Thalassiosira weissflogii (Grunow) Fryxell et Hasle 3080.52818 2747128.823
Tryblionella apiculata Gregory 560.09162 1367002.279
Tryblionella victoriae Grunow 1120.19538 969127.9054
Cyanophyta
Oscillatoria limnetica Lemmermann 169989.6516 5884426.087
Oscillatoria subbrevis fo. minor Desik. 206416.0055 7525518.169
Phormidium granulatum 218558.1235 7926464.979
Trichormus anomalus (Fritsch) Komárek & Anagnostidis 194273.8876 2563990.342
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
9/5/1997
Chlorophyta
Chlorella ellipsoidea Gerneck 567.14635 54896.12493
Chlorella miniata (Nägeli) Oltmanns 4537.17082 5587087.269
Chlorella vulgaris Beyerinck 9074.34164 1800305.965
Pseudochlorella sp. 0A UL NAWQA EJ 52177.46441 13980777.66
Ulothrix subtilissima Rabenhorst 9074.34164 1795086.263
Chrysophyta
Achnanthes conspicua Mayer 69.8316 4186.61268
Achnanthidium minutissimum (Kützing) Czarnecki 69.8316 3796.92666
Amphora montana Krasske 488.82117 105113.082
Amphora pediculus (Kützing) Grunow 384.07378 36150.56707
Cocconeis placentula Ehrenberg 139.66319 105311.5488
Cocconeis placentula var. euglypta (Ehrenberg) Cleve 69.8316 48186.97126
Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Håkansson 139.66319 25132.08545
Cyclotella atomus Hustedt 1152.2219 96644.36808
Cyclotella meneghiniana Kützing 803.06392 693934.7004
Cyclotella nana Hustedt 209.49479 4759.41455
Cyclotella pseudostelligera Hustedt 349.15798 30172.23006
Geissleria decussis (Hustedt) Lange-Bertalot et Metzeltin 69.8316 18445.11666
Gomphonema insigne Gregory 139.66319 301176.1555
Gomphonema minutum (Agardh) Agardh 488.82117 162842.1323
Gomphonema olivaceum (Lyngbye) Kützing 139.66319 54560.97413
Gomphonema parvulum (Kützing) Kützing 279.32638 60744.81512
Gyrosigma acuminatum (Kützing) Rabenhorst 69.8316 490286.8953
Gyrosigma scalproides (Rabenhorst) Cleve 209.49479 306967.8304
Luticola mutica (Kützing) Mann 69.8316 40504.4468
Mayamaea atomus (Kützing) Lange-Bertalot 453.90537 12729.50894
Navicula canalis Patrick 139.66319 46450.79328
Navicula capitatoradiata Germain 314.24218 181551.0249
Navicula cincta (Ehrenberg) Ralfs 69.8316 43738.70525
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 2269.52857 599633.4976
Navicula difficillima Hustedt 279.32638 6164.33763
Navicula erifuga Lange-Bertalot 244.41059 107112.6344
Navicula exilis Kützing 523.73697 186539.1714
Navicula germainii Wallace 1152.2219 760538.8659
Navicula gregaria Donkin 384.07378 107134.8258
Navicula meniscus Schumann 209.49479 350365.7732
Navicula minima Grunow 349.15798 13995.87539
Navicula reichardtiana Lange-Bertalot 209.49479 27346.33157
Navicula rostellata Kützing 69.8316 61898.15518
Navicula subminuscula Manguin 279.32638 20340.64703
Navicula symmetrica Patrick 2060.03379 2358731.084
Navicula tenelloides Hustedt 418.98958 69301.71658
Navicula tripunctata (Müller) Bory 69.8316 65218.30686
Navicula trivialis Lange-Bertalot 69.8316 76144.58951
Nitzschia amphibia Grunow 418.98958 78071.96465
Nitzschia dissipata (Kützing) Grunow 139.66319 35505.91278
Nitzschia frustulum (Kützing) Grunow 209.49479 10316.60212
Nitzschia inconspicua Grunow 977.64291 54383.13961
Nitzschia intermedia Hantzsch ex Cleve et Grunow 69.8316 64144.02857
Nitzschia linearis (Agardh ex Smith) Smith 69.8316 207779.601
Nitzschia microcephala Grunow 139.66319 15165.47127
Nitzschia palea (Kützing) Smith 139.66319 42294.72526
Nitzschia palea var. debilis (Kützing) Grunow 523.73697 89298.40236
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 488.82117 249222.783
Simonsenia delognei (Grunow) Lange-Bertalot 1850.539 103807.7646
Stephanodiscus minutulus (Kützing) Cleve et Möller 209.49479 66717.02745
Surirella minuta Brébisson 139.6632 110869.589
Synedra acus Kützing 69.8316 99168.80534
Synedra delicatissima var. angustissima Grunow 209.49479 211185.6173
Thalassiosira weissflogii (Grunow) Fryxell et Hasle 139.66319 124547.7262
Tryblionella victoriae Grunow 279.32638 241656.9458
Cyanophyta
Aphanocapsa incerta (Lemmermann) Cronberg & Komárek 14178.65881 14910.01458
Oscillatoria fremyii De Toni 9074.34164 12674.66491
Oscillatoria limnetica Lemmermann 16447.24422 569344.0278
Phormidium ambiguum Gomont 36864.5129 562671.2186
Phormidium chlorinum 25521.58585 1803186.396
Phormidium laetevirens 5104.31717 218183.5405


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data