LOCATION.-- Lat 41°49'20", long 87°49'15" (NAD of 1927), in SW1/4SW1/4 sec.36, T.39 N., R.12 E., Cook County, Hydrologic Unit 07120004, on left bank 400 ft downstream from bridge on Barry Point Road in Riverside, 500 ft downstream from Hoffman Dam, 4,000 ft downstream from Salt Creek, and at mile 44.3. | |
DRAINAGE AREA.-- 630 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1943 to current year. Monthly discharge only for some periods, published in WSP 1308. | |
STAGE: Water years 1994 to current year. | |
PARTIAL RECORD: Annual maximum, water years 1914 to 1943, from Metropolitan Water Reclamation District of Greater Chicago. | |
SURFACE-WATER QUALITY | |
CHEMICAL: Water years 1987-92 and 1999 to 2004. | |
SEDIMENT: April 1979 to September 1982, January 2003 to current year. | |
MISCELLANEOUS: Contaminants in streambed sediments, August 1998; contaminants in fish tissue, August 1998; sediment concentration and particle size, water years 1998-2005. | |
BIOLOGICAL | |
ALGAE: Water years 1989-90, 1999, 2002-04. | |
BENTHIC MACROINVERTEBRATES: Water years 1999, 2002-04. | |
FISH: Water years 1999-2000, 2002-04. | |
HABITAT: Water years 1999-2000, 2002-04. | |
REVISED RECORDS.-- WSP 1174: 1944, 1948. WSP 1308: 1944(M). WDR IL-75-1: Drainage area. | |
GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, automatic water sampler, and rain gage, and concrete dam. Datum of gage is 594.68 ft above NGVD of 1929 (594.40 ft NAVD 1988). Prior to Nov. 27, 1946, nonrecording gage at bridge 400 ft upstream at same datum. | |
REMARKS.-- Occasional regulation by gates at Hoffman Dam. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 9,770 ft3/s, Aug. 15, 1987, gage height, 9.90 ft; no flow Aug. 22-24, 1962, and part of Sept. 5, 1968, Aug. 31, 1974, Oct. 7, 1974. | |
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 297 mg/L Apr. 12, 1979; minimum daily mean, 3 mg/L Jan. 24, Feb. 1, 3, 4, 1982 | |
SUSPENDED-SEDIMENT LOADS: Maximum daily, 3,240 tons Apr. 12, 1979; minimum daily, 1.5 tons Feb. 3, 4, 1982. | |
EXTREMES OUTSIDE PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Flood of Mar. 18, 1919, reached a discharge of 7,450 ft3/s, gage height, 9.43 ft., present datum, from information furnished by Metropolitan Water Reclamation District of Greater Chicago. | |
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 is located 492 ft upstream of the Joliet Road bridge (1.48 mi downstream of gage) in Riverside, and continues upstream for 984 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 | |||
| Taxon | Cells (number/cm2) | Biovolume (biovolume/cm2) | |
| Reach A 7/19/1999 | |||
| Chlorophyta | |||
| Eudorina elegans Ehrenberg | 2459.00592 | 3693980.045 | |
| Chrysophyta | |||
| Amphora copulata (Kützing) Schoeman et Archibald | 80.91513 | 135333.9072 | |
| Amphora montana Krasske | 242.74538 | 52198.46635 | |
| Amphora pediculus (Kützing) Grunow | 161.83025 | 15834.64169 | |
| Aulacoseira granulata (Ehrenberg) Simonsen | 80.91513 | 29388.97237 | |
| Caloneis bacillum (Grunow) Cleve | 80.91513 | 34776.33409 | |
| Cocconeis pediculus Ehrenberg | 80.91513 | 258161.1658 | |
| Cocconeis placentula Ehrenberg | 404.57563 | 305065.9613 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 404.57563 | 279175.5484 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 161.83025 | 183368.7429 | |
| Craticula cuspidata (Kützing) Mann | 121.37269 | 688252.762 | |
| Cyclostephanos dubius (Frick) Round | 80.91513 | 20637.24046 | |
| Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Hĺkansson | 161.83025 | 29120.99908 | |
| Cyclotella atomus Hustedt | 3196.14781 | 268081.7557 | |
| Cyclotella distinguenda var. unipunctata (Hustedt) Hĺkansson et Carter | 566.40589 | 151843.5467 | |
| Cyclotella meneghiniana Kützing | 1496.93 | 1292482.729 | |
| Encyonema minutum (Hilse) Mann | 80.91513 | 17463.65439 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 80.91513 | 31610.39207 | |
| Gomphonema parvulum (Kützing) Kützing | 80.91513 | 20644.17003 | |
| Luticola ventricosa (Kützing) Mann | 80.91513 | 40604.70674 | |
| Melosira varians Agardh | 80.91513 | 410599.7847 | |
| Navicula cari Ehrenberg | 242.74538 | 34125.2936 | |
| Navicula cincta (Ehrenberg) Ralfs | 1051.89665 | 658850.7227 | |
| Navicula erifuga Lange-Bertalot | 2022.87832 | 808992.8237 | |
| Navicula germainii Wallace | 970.98152 | 440975.4811 | |
| Navicula gregaria Donkin | 242.74538 | 66718.50215 | |
| Navicula lanceolata (Agardh) Ehrenberg | 242.74538 | 305719.6755 | |
| Navicula minima Grunow | 1173.26934 | 47069.23112 | |
| Navicula salinarum Grunow | 161.83025 | 143527.3717 | |
| Navicula subminuscula Manguin | 323.66051 | 23286.14379 | |
| Navicula trivialis Lange-Bertalot | 242.74538 | 264690.3173 | |
| Nitzschia acicularis (Kützing) Smith | 566.40589 | 105952.4692 | |
| Nitzschia agnita Hustedt | 445.0332 | 44660.66594 | |
| Nitzschia amphibia Grunow | 242.74538 | 45090.00046 | |
| Nitzschia capitellata Hustedt | 404.57563 | 152700.4001 | |
| Nitzschia desertorum Hustedt | 566.40589 | 52369.01066 | |
| Nitzschia frustulum (Kützing) Grunow | 687.77858 | 33744.83812 | |
| Nitzschia gracilis Hantzsch ex Rabenhorst | 161.83025 | 64538.33417 | |
| Nitzschia heufleriana Grunow | 242.74538 | 2676013.044 | |
| Nitzschia inconspicua Grunow | 242.74538 | 8384.80411 | |
| Nitzschia intermedia Hantzsch ex Cleve et Grunow | 80.91513 | 74324.84269 | |
| Nitzschia palea (Kützing) Smith | 970.98152 | 290113.2667 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 161.83025 | 27568.09542 | |
| Nitzschia reversa Smith | 1699.21781 | 1045226.394 | |
| Nitzschia rostellata Hustedt | 161.83025 | 1895679.549 | |
| Nitzschia sociabilis Hustedt | 323.66051 | 74062.63573 | |
| Nitzschia valdecostata Lange-Bertalot et Simonsen | 80.91513 | 947839.8328 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 161.83025 | 26749.44797 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 323.66051 | 165016.5277 | |
| Skeletonema potamos (Weber) Hasle | 1335.09974 | 69958.85255 | |
| Surirella brebissonii Krammer et Lange-Bertalot | 80.91513 | 105088.2589 | |
| Surirella minuta Brébisson | 566.40589 | 484068.0548 | |
| Surirella roba Leclercq | 80.91513 | 86565838.1 | |
| Thalassiosira weissflogii (Grunow) Fryxell et Hasle | 404.57563 | 360789.2228 | |
| Tryblionella apiculata Gregory | 40.45756 | 98743.8038 | |
| Cyanophyta | |||
| Anabaena subcylindrica Borge | 12909.78108 | 411909.803 | |
| Merismopedia glauca (Ehrenberg) Kützing | 307.37574 | 7373.62741 | |
| Oscillatoria anguina Gomont | 8760.20859 | 206407.5092 | |
| Unknown Cyanophyte Oscillatoriaceae sp. 1 MSU | 22899.49263 | 1791800.799 | |
| 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 | |||
| Taxon | Cells (number/cm2) | Biovolume (biovolume/cm2) | |
| Reach A 7/19/1999 | |||
| Chrysophyta | |||
| Amphora pediculus (Kützing) Grunow | 440.79813 | 43130.87601 | |
| Cocconeis placentula Ehrenberg | 881.59636 | 664758.3815 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 264.47886 | 182502.4181 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 661.19724 | 749198.0436 | |
| Craticula molestiformis (Hustedt) Lange-Bertalot | 88.15958 | 10303.59714 | |
| Craticula submolesta (Hustedt) Lange-Bertalot | 88.15958 | 3062.75109 | |
| Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Hĺkansson | 88.15958 | 15864.12335 | |
| Cyclotella atomus Hustedt | 2248.07079 | 188560.3546 | |
| Cyclotella meneghiniana Kützing | 176.31927 | 152237.9879 | |
| Gomphonema acuminatum Ehrenberg | 88.15958 | 118737.3001 | |
| Gomphonema angustatum (Kützing) Rabenhorst | 88.15958 | 27670.43579 | |
| Gomphonema kobayasii Kociolek et Kingston | 132.23943 | 22044.82607 | |
| Gomphonema minutum (Agardh) Agardh | 176.31927 | 58737.64748 | |
| Gomphonema parvulum (Kützing) Kützing | 352.63854 | 89969.94726 | |
| Mayamaea atomus (Kützing) Lange-Bertalot | 617.1174 | 17306.69338 | |
| Mayamaea atomus var. permitis (Hustedt) Lange-Bertalot | 925.6762 | 6943497.176 | |
| Navicula angusta Grunow | 88.15958 | 18002.10689 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 1146.07521 | 302805.2189 | |
| Navicula difficillima Hustedt | 88.15958 | 1945.55674 | |
| Navicula erifuga Lange-Bertalot | 6171.17472 | 2376005.079 | |
| Navicula exilis Kützing | 749.35693 | 266898.1355 | |
| Navicula minima Grunow | 2512.54965 | 100798.492 | |
| Navicula reichardtiana Lange-Bertalot | 88.15958 | 14258.77178 | |
| Navicula rostellata Kützing | 220.39901 | 195359.8796 | |
| Navicula sp. 1 ? | 88.15958 | 14388.42014 | |
| Navicula subminuscula Manguin | 2071.75152 | 149054.6492 | |
| Navicula tenelloides Hustedt | 88.15958 | 14581.77173 | |
| Navicula tripunctata (Müller) Bory | 88.15958 | 82335.48838 | |
| Nitzschia dissipata (Kützing) Grunow | 176.31927 | 44824.81402 | |
| Nitzschia frustulum (Kützing) Grunow | 1190.15506 | 58393.19659 | |
| Nitzschia inconspicua Grunow | 705.27709 | 24361.37092 | |
| Nitzschia intermedia Hantzsch ex Cleve et Grunow | 88.15958 | 80979.25462 | |
| Nitzschia levidensis var. salinarum Grunow | 88.15958 | 1032701.32 | |
| Nitzschia microcephala Grunow | 264.47886 | 28718.70943 | |
| Nitzschia palea (Kützing) Smith | 264.47886 | 79021.92211 | |
| Nitzschia perminuta (Grunow) Peragallo | 132.23943 | 13579.8522 | |
| Nitzschia reversa Smith | 88.15958 | 54228.90422 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 88.15958 | 11734.24727 | |
| Planothidium rostratum (Řstrup) Lange-Bertalot | 88.15958 | 7090.63182 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 176.31927 | 29144.38518 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 1234.2349 | 629267.8631 | |
| Sellaphora seminulum (Grunow) Mann | 705.27709 | 52222.03055 | |
| Simonsenia delognei (Grunow) Lange-Bertalot | 132.23943 | 7418.09778 | |
| Skeletonema potamos (Weber) Hasle | 749.35693 | 39266.09331 | |
| Staurosira construens var. venter (Ehrenberg) Hamilton | 88.15958 | 8167.34152 | |
| Tryblionella apiculata Gregory | 88.15958 | 215168.9887 | |
| Cyanophyta | |||
| Gloeocapsa rupestris Kützing | 416.38476 | 17659.50225 | |
| Phormidium tenue (Agardh ex Gomont) Anagnostidis & Komárek | 2914.69332 | 500541.1 | |
| Unknown Cyanophyte Oscillatoriaceae sp. 1 MSU | 1040.9619 | 81451.42753 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |