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
8/18/2003
Chlorophyta
Scenedesmus acuminatus (Lagerheim) Chodat 165012.7833 9538643.508
Chrysophyta
Achnanthidium minutissimum (Kützing) Czarnecki 7700.56905 309271.6949
Amphora montana Krasske 11550.89483 2483832.993
Amphora pediculus (Kützing) Grunow 34652.68449 3446625.648
Bacillaria paradoxa Gmelin 3850.24327 4504375.25
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 3850.24327 4082840.715
Cyclotella glomerata Bachmann 42353.25354 3863780.901
Cyclotella meneghiniana Kützing 381179.5294 317981415.1
Cyclotella stelligera (Cleve et Grunow) Van Heurck 7700.56905 1866455.661
Diatoma vulgaris Bory 3850.24327 11507618.72
Fragilaria nanana Lange-Bertalot 7700.56905 799958.0128
Gomphonema minutum (Agardh) Agardh 7700.56905 1385764.352
Gomphonema olivaceum (Lyngbye) Kützing 7700.56905 3112806.983
Gomphonema parvulum (Kützing) Kützing 7700.56905 1919573.475
Gyrosigma nodiferum (Grunow) Reimer 46203.57932 180127867.6
Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski 11550.89483 3697122.416
Melosira varians Agardh 3850.24327 18997395.01
Meridion circulare (Greville) Agardh 7700.56905 5863500.206
Navicula capitatoradiata Germain 15401.1381 8637852.594
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 15401.1381 3759552.331
Navicula erifuga Lange-Bertalot 165562.7709 71925570.06
Navicula germainii Wallace 177113.6657 73532656.69
Navicula gregaria Donkin 53904.14837 14276080.79
Navicula reichardtiana Lange-Bertalot 46203.57932 5955061.371
Navicula rostellata Kützing 7700.56905 6015619.557
Navicula subminuscula Manguin 7700.56905 493068.5114
Navicula symmetrica Patrick 23101.78966 11322184.15
Navicula tenelloides Hustedt 15401.1381 2177982.623
Navicula trivialis Lange-Bertalot 30802.35871 24354952.62
Nitzschia acicularis (Kützing) Smith 127059.8431 23069821.81
Nitzschia amphibia Grunow 7700.56905 1508987.503
Nitzschia angustatula Lange-Bertalot 7700.56905 2847152.052
Nitzschia archibaldii Lange-Bertalot 30802.35871 1905628.044
Nitzschia dissipata (Kützing) Grunow 30802.35871 7731490.657
Nitzschia inconspicua Grunow 23101.78966 696427.1983
Nitzschia linearis (Agardh ex Smith) Smith 26952.03293 73582814.14
Nitzschia palea (Kützing) Smith 758508.733 201422052.5
Nitzschia sigma (Kützing) Smith 11550.89483 122965532.2
Stephanodiscus hantzschii Grunow 50053.82259 16106184.77
Surirella minuta Brébisson 38502.92776 32184944.15
Synedra acus Kützing 7700.56905 12658350.77
Synedra ulna (Nitzsch) Ehrenberg 3850.24327 21443502.44
Tryblionella levidensis Smith 30802.35871 360818830
Cyanophyta
Unknown Cyanophyte coccoid (3-5µ) 495038.3499 6962498.113
Unknown Cyanophyte filament 825063.9165 2334947.276
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
8/18/2003
Chlorophyta
Scenedesmus quadricauda (Turpin) Brébisson 7241.4497 245740.8026
Chrysophyta
Amphora inariensis Krammer 675.86803 109604.7888
Amphora montana Krasske 337.93311 72667.04666
Amphora pediculus (Kützing) Grunow 2534.50739 252087.1995
Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 23993.33606 25442799.95
Craticula molestiformis (Hustedt) Lange-Bertalot 4393.14494 238426.564
Cyclotella meneghiniana Kützing 4731.07987 3946684.842
Cyclotella stelligera (Cleve et Grunow) Van Heurck 337.93311 81907.86502
Fragilaria capucina Desmazičres 1689.67099 328352.2195
Gomphonema kobayasii Kociolek et Kingston 1013.80296 148165.8191
Gomphonema minutum (Agardh) Agardh 675.86803 121626.5738
Gomphonema olivaceum (Lyngbye) Kützing 2027.60592 819620.7072
Gomphonema parvulum (Kützing) Kützing 337.93311 84238.89641
Gomphonema parvulum var. saprophilum Hustedt 675.86803 879980.1815
Gyrosigma nodiferum (Grunow) Reimer 168.96656 658727.8714
Mayamaea atomus (Kützing) Lange-Bertalot 3717.27691 119918.9903
Melosira varians Agardh 168.96656 833693.9212
Navicula antonii Lange-Bertalot 337.93311 47947.83133
Navicula arvensis Hustedt 1182.76951 78686.35875
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot 11151.83253 2722259.726
Navicula erifuga Lange-Bertalot 675.86803 293617.9036
Navicula germainii Wallace 2027.60592 841805.4533
Navicula gregaria Donkin 1351.73607 357996.4422
Navicula minima Grunow 675.86803 27396.62342
Navicula reichardtiana Lange-Bertalot 5913.84938 762220.9472
Navicula subminuscula Manguin 3210.37543 205560.7869
Navicula symmetrica Patrick 1182.76951 579675.1869
Navicula tripunctata (Müller) Bory 3210.37543 3011985.51
Navicula trivialis Lange-Bertalot 506.90148 400799.225
Navicula veneta Kützing 2196.57247 362606.892
Nitzschia acicularis (Kützing) Smith 675.86803 122715.051
Nitzschia amphibia Grunow 1013.80296 198662.7201
Nitzschia angustatula Lange-Bertalot 168.96656 62472.45806
Nitzschia inconspicua Grunow 2365.53903 71311.60579
Nitzschia linearis (Agardh ex Smith) Smith 168.96656 461302.2968
Nitzschia palea (Kützing) Smith 3379.34199 897384.5246
Nitzschia paleacea Grunow ex Van Heurck 168.96656 8740.32845
Nitzschia sigmoidea (Nitzsch) Ehrenberg 168.96656 498096.5633
Planothidium frequentissimum (Lange-Bertalot) Lange-Bertalot 5575.91627 414599.9038
Reimeria sinuata (Gregory) Kociolek et Stoermer 337.93311 57430.12134
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot 2534.50739 1027643.897
Sellaphora pupula (Kützing) Meresckowsky 168.96656 80588.32536
Simonsenia delognei (Grunow) Lange-Bertalot 1351.73607 72049.40685
Stephanodiscus hantzschii Grunow 506.90148 163109.3981
Surirella angusta Kützing 168.96656 185304.4891
Surirella minuta Brébisson 168.96656 141240.6663
Synedra acus Kützing 337.93311 555501.2681
Tryblionella apiculata Gregory 1013.80296 382758.4688
Cyanophyta
Unknown Cyanophyte coccoid (3-5µ) 5431.08727 76385.8697
Unknown Cyanophyte filament 43448.69818 122960.6791


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data