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LOCATION.-- Lat 40°15'17", long 89°07'45" (NAD of 1927), on line between secs.19 and 20, T.21 N., R.1 E., De Witt County, Hydrologic Unit 07130009, on left upstream side of bridge on Waynesville Road, 0.5 mi downstream from Rock Creek, 0.7 mi north of Waynesville, and at mile 25.3. |
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DRAINAGE AREA.-- 227 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: January 1948 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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CHEMICAL: Water years 1978-91. |
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BIOLOGICAL: Benthic macroinvertebrates, Water year 1997. |
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REVISED RECORDS.-- WSP 1175: 1948-49. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 620.24 ft above NGVD of 1929 (U.S. Army Corps of Engineers bench mark). Prior to Sept. 8, 1970, nonrecording gage at same site and datum. |
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REMARKS.-- Diurnal fluctuation of low flows caused by City of Heyworth pumping station 10 mi. upstream at highway 136. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 24,600 ft3/s, Aug. 15, 1981, gage height, 16.91 ft; no flow Sept. 15, 28, 29, 1988. |
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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 39 meters upstream from the bridge at County Road 100 E north of Waynesville. The surface area sampled at reach A was 0.24 m2. |
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| BENTHIC MACROINVERTEBRATES | ||||||||||||
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| [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 8/14/1997 |
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| ANNELIDA | ||||||||||||
| Oligochaeta | ||||||||||||
| Oligochaeta | - | 4 | 17 | imm. | ||||||||
| Tubificida | ||||||||||||
| (Tubificina) | ||||||||||||
| Naididae | ||||||||||||
| Naididae | - | 8 | 34 | - | ||||||||
| Tubificidae | ||||||||||||
| Tubificidae | - | 4 | 17 | - | ||||||||
| ARTHROPODA | ||||||||||||
| Arachnida | ||||||||||||
| Acari | - | 181 | 768 | - | ||||||||
| Insecta | ||||||||||||
| Coleoptera | ||||||||||||
| (Polyphaga) | ||||||||||||
| Elmidae | ||||||||||||
| Dubiraphia sp. | A | 4 | 17 | - | ||||||||
| Elmidae | L | 53 | 225 | imm. | ||||||||
| Macronychus glabratus Say | A | 22 | 93 | - | ||||||||
| Macronychus glabratus Say | L | 71 | 301 | - | ||||||||
| Stenelmis sp. | A | 23 | 98 | - | ||||||||
| Hydrophilidae | ||||||||||||
| Berosus sp. | A | 1 | 4 | - | ||||||||
| Scirtidae | ||||||||||||
| Scirtidae | L | 5 | 21 | - | ||||||||
| Diptera | ||||||||||||
| Diptera | P | 4 | 17 | indet. | ||||||||
| (Brachycera) | ||||||||||||
| Brachycera | P | 4 | 17 | - | ||||||||
| Empididae | ||||||||||||
| Hemerodromiinae | ||||||||||||
| Hemerodromia sp. | L | 33 | 140 | - | ||||||||
| Hemerodromiinae | P | 4 | 17 | - | ||||||||
| (Nematocera) | ||||||||||||
| Ceratopogonidae | ||||||||||||
| Ceratopogonidae | L | 4 | 17 | - | ||||||||
| Chironomidae | ||||||||||||
| Chironomidae | A | 12 | 51 | - | ||||||||
| Chironomidae | L | 1 | 4 | - | ||||||||
| Chironominae | ||||||||||||
| Chironominae | P | 4 | 17 | - | ||||||||
| (Chironomini) | ||||||||||||
| Microtendipes sp. | L | 8 | 34 | - | ||||||||
| Phaenopsectra sp. | L | 4 | 17 | - | ||||||||
| Polypedilum sp. | L | 45 | 191 | - | ||||||||
| Stelechomyia perpulchra (Mitchell) | L | 4 | 17 | - | ||||||||
| (Tanytarsini) | ||||||||||||
| Rheotanytarsus sp. | L | 8 | 34 | - | ||||||||
| Tanytarsus sp. | L | 8 | 34 | - | ||||||||
| Orthocladiinae | ||||||||||||
| Cricotopus/Orthocladius sp. | L | 74 | 314 | - | ||||||||
| Tanypodinae | ||||||||||||
| (Pentaneurini) | ||||||||||||
| "Thienemannimyia group sp. (Coffman and Ferrington, 1996)" | L | 12 | 51 | - | ||||||||
| Nilotanypus sp. | L | 4 | 17 | - | ||||||||
| Simuliidae | ||||||||||||
| Simuliidae | L | 71 | 301 | imm. | ||||||||
| Simulium sp. | L | 1 | 4 | - | ||||||||
| Simulium sp. | P | 16 | 68 | - | ||||||||
| Ephemeroptera | ||||||||||||
| Ephemeroptera | L | 42 | 178 | dam.; imm. | ||||||||
| (Furcatergalia) | ||||||||||||
| Leptohyphidae | ||||||||||||
| Tricorythodes sp. | A | 14 | 59 | - | ||||||||
| Tricorythodes sp. | L | 162 | 687 | - | ||||||||
| (Pisciforma) | ||||||||||||
| Baetidae | ||||||||||||
| Baetidae | L | 29 | 123 | dam.; imm. | ||||||||
| Baetis intercalaris McDunnough | L | 12 | 51 | - | ||||||||
| Baetis sp. | L | 1 | 4 | - | ||||||||
| (Setisura) | ||||||||||||
| Heptageniidae | ||||||||||||
| Heptagenia sp. | L | 1 | 4 | - | ||||||||
| Heptageniidae | L | 94 | 399 | dam.; imm. | ||||||||
| Stenacron sp. | L | 8 | 34 | - | ||||||||
| Stenonema exiguum Traver | L | 2 | 8 | - | ||||||||
| Stenonema sp. | L | 52 | 221 | - | ||||||||
| Stenonema terminatum (Walsh) | L | 8 | 34 | - | ||||||||
| Hemiptera | ||||||||||||
| (Heteroptera) | ||||||||||||
| Corixidae | ||||||||||||
| Corixidae | L | 5 | 21 | imm. | ||||||||
| Corixinae | ||||||||||||
| (Corixini) | ||||||||||||
| Palmacorixa sp. | L | 5 | 21 | - | ||||||||
| Trichocorixa sp. | L | 5 | 21 | - | ||||||||
| Odonata | ||||||||||||
| (Anisoptera) | ||||||||||||
| Aeshnidae | ||||||||||||
| Boyeria sp. | L | 4 | 17 | - | ||||||||
| Boyeria vinosa (Say) | L | 1 | 4 | - | ||||||||
| Gomphidae | ||||||||||||
| Gomphidae | L | 4 | 17 | imm. | ||||||||
| (Zygoptera) | ||||||||||||
| Coenagrionidae | ||||||||||||
| Argia sp. | L | 2 | 8 | - | ||||||||
| Coenagrionidae | L | 37 | 157 | imm. | ||||||||
| Trichoptera | ||||||||||||
| (Annulipalpia) | ||||||||||||
| Hydropsychidae | ||||||||||||
| Hydropsychidae | L | 177 | 751 | imm. | ||||||||
| Hydropsychinae | ||||||||||||
| "Hydropsyche rossi Flint, Voshell, and Parker/simulans Ross" | L | 12 | 51 | - | ||||||||
| Cheumatopsyche sp. | L | 21 | 89 | - | ||||||||
| Hydropsyche bidens Ross | L | 65 | 276 | - | ||||||||
| Hydropsyche bidens Ross/orris Ross | L | 25 | 106 | - | ||||||||
| Hydropsyche sp. | L | 12 | 51 | - | ||||||||
| Polycentropodidae | ||||||||||||
| Polycentropodinae | ||||||||||||
| Paranyctiophylax sp. | L | 4 | 17 | - | ||||||||
| (Integripalpia) | ||||||||||||
| Leptoceridae | ||||||||||||
| Leptocerinae | ||||||||||||
| Nectopsyche candida (Hagen) | L | 4 | 17 | - | ||||||||
| (Spicipalpia) | ||||||||||||
| Hydroptilidae | ||||||||||||
| Hydroptilinae | ||||||||||||
| Hydroptila sp. | L | 79 | 335 | - | ||||||||
| Hydroptila sp. | P | 4 | 17 | - | ||||||||
| MOLLUSCA | ||||||||||||
| Gastropoda | ||||||||||||
| Gastropoda | - | 4 | 17 | - | ||||||||
| PLATYHELMINTHES | ||||||||||||
| Turbellaria | ||||||||||||
| Turbellaria | - | 12 | 51 | - | ||||||||
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |