05572000 DATA: Benthic Macroinvertebrates, 1998

Station list Available data
ILLINOIS RIVER BASIN

05572000 SANGAMON RIVER AT MONTICELLO, IL

LOCATION.-- Lat 40°01'51", long 88°35'20", 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 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1990-92 and 1998.

MISCELLANEOUS: Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996; streambank sediment size, October 1997; streambed sediment size, October 1997.

BIOLOGICAL: Benthic macroinvertebrates, September 1996, September 1997, and September 1998; fish, July 1997 and July 1998.

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, rain gage, and crest-stage gage. Datum of gage is 625.89 ft above sea level. 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. Water temperature and specific conductance continuously recorded at station for the National Water-Quality Assessment Program.

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.--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) and one qualitative (Qualitative-Multiple Habitat) sample were 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 425╡m 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. The qualitative sample was collected from many habitat types within the sampling reach to obtain as complete a list of invertebrate taxa as possible. 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. Reach A begins 820 ft upstream of the gage, and continues upstream for 915 ft. The surface area sampled was 0.31 m².

BENTHIC MACROINVERTEBRATES
[sp., species; A, Adults; LV, Larvae; P, Pupae; X, present; -, not found]

PHYLUM
	Class
		Order
			(Suborder)
				Family					Reach A
					Subfamily				9/14/98
						(Tribe)
							Taxon	Life stage	Quantitative	Qualitative

BRYOZOA
							Bryozoa		11	-
				Physidae
							Physella sp.		-	X
	Bivalvia
				Corbiculidae
							Corbicula sp.		-	X
				Sphaeriidae
							Sphaeriidae		-	X
ARTHROPODA
	Insecta
		Ephemeroptera
			(Furcatergalia)
				Ephemeridae
							Hexagenia sp.	LV	-	X
				Leptohyphidae
							Tricorythodes sp.	LV	213	X
			(Pisciforma)
				Baetidae
							Baetis intercalaris McDunnough	LV	134	-
				Siphlonuridae
							Siphlonurus sp.	LV	-	X
			(Setisura)
				Heptageniidae
							Heptageniidae	LV	213	-
							Heptagenia flavescens (Walsh)	LV	19	-
							Stenonema sp.	LV	154	-
							Stenonema exiguum Traver	LV	19	X
							Stenonema pulchellum (Walsh)	LV	-	X
							Stenonema terminatum (Walsh)	LV	1	-
				Isonychiidae
							Isonychia sp.	LV	13	-
		Odonata
			(Zygoptera)
				Coenagrionidae
							Coenagrionidae		1	-
							Argia sp.	LV	1	X
			(Anisoptera)
				Aeshnidae
							Boyeria vinosa (Say)	LV	-	X
				Gomphidae
							Gomphus sp.	LV	-	X
		Hemiptera
			(Heteroptera)
				Corixidae
					Corixinae
						(Corixini)
							Trichocorixa sp.	A	-	X
				Gerridae
							Gerridae	LV	-	X
					Trepobatinae
							Metrobates sp.	A	-	X
		Megaloptera
				Sialidae
							Sialis sp.	LV	-	X
		Trichoptera
			(Spicipalpia)
					Hydroptilinae
							Hydroptila sp.	LV	10	-
			(Annulipalpia)
				Philopotamidae
				Hydropsychidae
							Hydropsychidae	LV	96	-
					Hydropsychinae
							Hydropsychinae	LV	19	-
							Hydropsyche bidens Ross	LV	1654	X
							Hydropsyche rossi Flint, Voshell, and Parker/simulans Ross	LV	1655	X
				Polycentropodidae
					Polycentropodinae
							Cyrnellus fraternus (Banks)	LV	19	-
			(Integripalpia)
				Limnephilidae
					Limnephilinae
							Pycnopsyche sp.	P	-	X
							Pycnopsyche indiana (Ross)	P	-	X
					Leptocerinae
							Nectopsyche candida (Hagen)	LV	19	-
							Oecetis sp.	P	10	-
		Coleoptera
			(Polyphaga)
				Hydrophilidae
							Berosus sp.	A	-	X
							Enochrus sp.	A	-	X
				Scirtidae
							Scirtidae	LV	-	X
				Elmidae
							Ancyronyx variegata (Germar)	LV	10	-
							Dubiraphia sp.	LV	-	X
							Dubiraphia sp.	A	-	X
							Macronychus glabratus Say	LV	185	X
							Macronychus glabratus Say	A	33	X
							Stenelmis sp.	LV	10	X
							Stenelmis grossa Sanderson	A	-	X
		Diptera
			(Nematocera)
				Ceratopogonidae
					Ceratopogoninae
							Probezzia sp.	LV	-	X
				Chironomidae
							Chironomidae	LV	11	X
							Chironomidae	P	-	X
					Chironominae
							Chironominae	P	10	-
						(Chironomini)
							Chironomus sp.	LV	-	X
							Cryptochironomus sp.	LV	-	X
							Cryptotendipes sp.	LV	-	X
							Dicrotendipes sp.	LV	115	X
							Parachironomus sp.	LV	48	-
							Phaenopsectra sp.	LV	19	-
							Polypedilum sp.	LV	38	-
							Stelechomyia perpulchra (Mitchell)	LV	38	-
							Stenochironomus sp.	LV	10	-
						(Pseudochironomini)
							Pseudochironomus sp.	LV	-	X
						(Tanytarsini)
							Cladotanytarsus sp.	LV	-	X
							Rheotanytarsus sp.	LV	58	-
							Tanytarsus sp.	LV	10	X
					Orthocladiinae
							Cricotopus bicinctus group	LV	19	-
							Rheocricotopus sp.	LV	38	X
					Tanypodinae
						(Pentaneurini)
							Pentaneurini	LV	10	-
							Thienemannimyia group sp.	LV	10	-
							Ablabesmyia sp.	LV	10	X
							Nilotanypus sp.	LV	29	-
						(Procladiini)
							Procladius sp.	LV	-	X
				Culicidae
							Culicidae	LV	10	-
			(Brachycera)
				Empididae
							Hemerodromia sp.	LV	29	X