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LOCATION.-- Lat 40°37'25", long 89°14'30" (NAD of 1927), in NE1/4SW1/4 sec.17, T.25 N., R.1 W., Woodford County, Hydrologic Unit 07130004, on right bank at downstream side of bridge on U.S. Highway 150, 0.2 mi downstream from Walnut Creek, 2 mi northwest of Congerville, and at mile 58.7. |
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DRAINAGE AREA.-- 767 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1944 to current year. |
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STAGE: Water years 1994 to current year. |
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SURFACE-WATER QUALITY |
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SEDIMENT: June 1983 to September 1983. |
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BIOLOGICAL: Benthic macroinvertebrates, Water year 1997. |
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REVISED RECORDS.-- WSP 1175: 1948. WSP 1308: 1945(M). WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 607.01 ft above NGVD of 1929. Prior to July 11, 1945, nonrecording gage at same site and datum. |
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REMARKS.-- The City of Bloomington occasionally pumps water upstream from station into Lake Evergreen for municipal supply. The City of Bloomington also withdraws water from Lake Bloomington, which is on Money Creek, a tributary to the Mackinaw River. Water withdrawals are diverted via effluent to Sugar Creek basin. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 44,800 ft3/s, Dec. 4, 1982, gage height, 20.21 ft, from floodmark; minimum, 0.2 ft3/s, Oct. 21-24, Oct. 27 to Nov. 3, 1956, Oct. 6, 1957, Oct. 8-10, 1963. |
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REMARKS FOR CURRENT YEAR.--Benthic macroinvertebrate community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. One quantitative (Richest-Targeted Habitat) sample was collected in accordance with the NAWQA protocols (Cuffney and others, 1993). The quantitative sample was a composite of macroinvertebrates from about 10 submerged tree branches. Branches were cut underwater, gathered in a 425µm mesh net, and invertebrates were washed or picked from the branches. The average length and average diameter of each branch were measured and used to calculate an approximate surface area. All samples were processed by the USGS National Water-Quality Laboratory. Phylum, Class, Order, Suborder, Family, Subfamily, and Tribe are listed and arranged according to the USGS National Water-Quality Laboratory taxonomic hierarchy. The reach begins 40 meters downstream from the bridge at US Route 150, west of Congerville. The surface area sampled at reach A was 0.23 m2. |
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| BENTHIC MACROINVERTEBRATES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [sp., species; A, Adults; LV, Larvae; P, Pupae; X, present; -, not found or not applicable; dam., damaged; imm., immature; indet., indeterminate; mount, poor mount; ref., reference] | ||||||||||||
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| PHYLUM | ||||||||||||
| Class | ||||||||||||
| Order | ||||||||||||
| (Suborder) | ||||||||||||
| Family | ||||||||||||
| Subfamily | Quantitative sample | |||||||||||
| (Tribe) | Life stage |
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Laboratory notes | |||||||||
| Taxon | Abundance (count) |
Density (number/m2) |
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| Reach A 8/13/1997 |
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| ARTHROPODA | ||||||||||||
| Arachnida | ||||||||||||
| Acari | - | 24 | 106 | - | ||||||||
| Insecta | ||||||||||||
| Coleoptera | ||||||||||||
| (Polyphaga) | ||||||||||||
| Curculionidae | ||||||||||||
| Curculionidae | A | 5 | 22 | - | ||||||||
| Elmidae | ||||||||||||
| Ancyronyx variegata (Germar) | L | 5 | 22 | - | ||||||||
| Dubiraphia sp. | L | 10 | 44 | - | ||||||||
| Elmidae | L | 53 | 234 | imm.; dam. | ||||||||
| Macronychus glabratus Say | A | 21 | 93 | - | ||||||||
| Macronychus glabratus Say | L | 150 | 662 | - | ||||||||
| Stenelmis sp. | A | 44 | 194 | - | ||||||||
| Diptera | ||||||||||||
| (Brachycera) | ||||||||||||
| Empididae | ||||||||||||
| Hemerodromiinae | ||||||||||||
| Hemerodromiinae | P | 5 | 22 | - | ||||||||
| (Nematocera) | ||||||||||||
| Ceratopogonidae | ||||||||||||
| Forcipomyiinae | ||||||||||||
| Atrichopogon sp. | L | 73 | 322 | - | ||||||||
| Chironomidae | ||||||||||||
| Chironominae | ||||||||||||
| Chironominae | P | 10 | 44 | - | ||||||||
| (Chironomini) | ||||||||||||
| Dicrotendipes sp. | L | 5 | 22 | - | ||||||||
| Glyptotendipes sp. | L | 19 | 84 | - | ||||||||
| Microtendipes sp. | L | 5 | 22 | - | ||||||||
| Parachironomus sp. | L | 5 | 22 | - | ||||||||
| Polypedilum sp. | L | 43 | 190 | - | ||||||||
| Tribelos sp. | L | 10 | 44 | - | ||||||||
| (Pseudochironomini) | ||||||||||||
| Pseudochironomus sp. | L | 5 | 22 | - | ||||||||
| (Tanytarsini) | ||||||||||||
| Rheotanytarsus sp. | L | 19 | 84 | - | ||||||||
| Tanytarsus sp. | L | 5 | 22 | - | ||||||||
| Orthocladiinae | ||||||||||||
| Cricotopus bicinctus group | L | 5 | 22 | - | ||||||||
| Cricotopus/Orthocladius sp. | L | 19 | 84 | - | ||||||||
| Tanypodinae | ||||||||||||
| Tanypodinae | P | 5 | 22 | - | ||||||||
| (Pentaneurini) | ||||||||||||
| "Thienemannimyia group sp. (Coffman and Ferrington, 1996)" | L | 24 | 106 | - | ||||||||
| Simuliidae | ||||||||||||
| Simuliidae | L | 6 | 26 | imm. | ||||||||
| Ephemeroptera | ||||||||||||
| Ephemeroptera | L | 125 | 552 | imm.; dam. | ||||||||
| (Furcatergalia) | ||||||||||||
| Caenidae | ||||||||||||
| Caenis sp. | L | 34 | 150 | - | ||||||||
| Leptohyphidae | ||||||||||||
| Tricorythodes sp. | L | 1018 | 4492 | - | ||||||||
| (Pisciforma) | ||||||||||||
| Baetidae | ||||||||||||
| Baetidae | L | 26 | 115 | imm. | ||||||||
| Baetis sp. | L | 5 | 22 | - | ||||||||
| (Setisura) | ||||||||||||
| Heptageniidae | ||||||||||||
| Heptageniidae | L | 19 | 84 | imm.; dam. | ||||||||
| Stenonema exiguum Traver | L | 8 | 35 | - | ||||||||
| Stenonema sp. | L | 11 | 49 | - | ||||||||
| Isonychiidae | ||||||||||||
| Isonychia sp. | L | 5 | 22 | - | ||||||||
| Hemiptera | ||||||||||||
| (Heteroptera) | ||||||||||||
| Corixidae | ||||||||||||
| Corixidae | L | 47 | 207 | imm. | ||||||||
| Corixinae | ||||||||||||
| (Corixini) | ||||||||||||
| Palmacorixa gillettei Abbott | A | 1 | 4 | - | ||||||||
| Trichocorixa sp. | A | 1 | 4 | - | ||||||||
| Gerridae | ||||||||||||
| Trepobatinae | ||||||||||||
| Metrobates sp. | A | 5 | 22 | - | ||||||||
| Odonata | ||||||||||||
| (Anisoptera) | ||||||||||||
| Gomphidae | ||||||||||||
| Gomphidae | L | 5 | 22 | imm. | ||||||||
| (Zygoptera) | ||||||||||||
| Calopterygidae | ||||||||||||
| Hetaerina titia (Drury) | L | 5 | 22 | - | ||||||||
| Coenagrionidae | ||||||||||||
| Argia sp. | L | 11 | 49 | - | ||||||||
| Coenagrionidae | L | 6 | 26 | imm.; dam. | ||||||||
| Trichoptera | ||||||||||||
| (Annulipalpia) | ||||||||||||
| Hydropsychidae | ||||||||||||
| Hydropsychidae | L | 102 | 450 | imm. | ||||||||
| Hydropsychinae | ||||||||||||
| "Hydropsyche rossi Flint, Voshell, and Parker/simulans Ross" | L | 31 | 137 | - | ||||||||
| Ceratopsyche sp. | L | 10 | 44 | - | ||||||||
| Cheumatopsyche sp. | L | 35 | 154 | - | ||||||||
| Hydropsyche bidens Ross | L | 11 | 49 | - | ||||||||
| Hydropsyche sp. | L | 20 | 88 | - | ||||||||
| Polycentropodidae | ||||||||||||
| Polycentropodinae | ||||||||||||
| Paranyctiophylax sp. | L | 6 | 26 | - | ||||||||
| (Spicipalpia) | ||||||||||||
| Hydroptilidae | ||||||||||||
| Hydroptilinae | ||||||||||||
| Hydroptila sp. | L | 5 | 22 | - | ||||||||
| MOLLUSCA | ||||||||||||
| Gastropoda | ||||||||||||
| Basommatophora | ||||||||||||
| Lymnaeidae | ||||||||||||
| Lymnaeidae | - | 10 | 44 | imm. | ||||||||
| Physidae | ||||||||||||
| Physinae | ||||||||||||
| Physa sp. | - | 5 | 22 | - | ||||||||
| PLATYHELMINTHES | ||||||||||||
| Turbellaria | ||||||||||||
| Turbellaria | - | 15 | 66 | - | ||||||||
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |