LOCATION.-- Lat 42°27'53", long 88°18'00" (NAD of 1927), at NE¼ SE¼ sec.16, T.46N., R.8E., McHenry County, Hydrologic Unit 07120006, 27 feet downstream of Hill Road. | |
DRAINAGE AREA.-- 66.10 mi². | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1961-1963; Miscellaneous discharge measurements, water year 2000. | |
SURFACE-WATER QUALITY | |
MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000. | |
BIOLOGICAL | |
ALGAE: Water year 2000 | |
BENTHIC MACROINVERTEBRATES: Water year 2000. | |
HABITAT: Water year 2000-01. | |
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 27 feet downstream of Hill Road and continues downstream for 787 feet. | |
| 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 7/20/2000 | |||
| Chrysophyta | |||
| Achnanthes sp. 1 ? | 163.205 | 5331.09063 | |
| Amphora pediculus (Kützing) Grunow | 6854.61261 | 683884.22 | |
| Aulacoseira granulata (Ehrenberg) Simonsen | 163.205 | 57554.06012 | |
| Cocconeis pediculus Ehrenberg | 326.41 | 1048123.191 | |
| Cocconeis placentula Ehrenberg | 652.82016 | 475613.133 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 816.02516 | 560336.7336 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 326.41 | 365581.2099 | |
| Cyclostephanos dubius (Frick) Round | 163.205 | 41625.10592 | |
| Gomphonema kobayasii Kociolek et Kingston | 3672.11389 | 604915.1765 | |
| Gomphonema minutum (Agardh) Agardh | 326.41 | 108737.7203 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 163.205 | 63757.84177 | |
| Gomphonema parvulum (Kützing) Kützing | 326.41 | 82666.39868 | |
| Navicula cari Ehrenberg | 2121.66565 | 298265.0544 | |
| Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 13301.21247 | 3439903.094 | |
| Navicula gregaria Donkin | 1468.84549 | 395632.9957 | |
| Navicula lenzii Hustedt ex Schmidt | 163.205 | 1224200.694 | |
| Navicula minima Grunow | 734.42274 | 29301.19626 | |
| Navicula recens Lange-Bertalot | 897.62774 | 449759.0618 | |
| Navicula reichardtiana Lange-Bertalot | 1387.2429 | 180823.3981 | |
| Navicula tenelloides Hustedt | 163.205 | 26994.43421 | |
| Navicula tripunctata (Müller) Bory | 489.61516 | 457269.6847 | |
| Navicula trivialis Lange-Bertalot | 489.61516 | 519333.7928 | |
| Navicula veneta Kützing | 2366.4734 | 373448.8864 | |
| Nitzschia acicularis (Kützing) Smith | 163.205 | 30063.35605 | |
| Nitzschia amphibia Grunow | 163.205 | 30276.61196 | |
| Nitzschia dissipata (Kützing) Grunow | 2611.28098 | 664956.2738 | |
| Nitzschia liebethruthii Rabenhorst | 163.205 | 17157.58586 | |
| Nitzschia linearis (Agardh ex Smith) Smith | 163.205 | 485606.3931 | |
| Nitzschia palea (Kützing) Smith | 489.61516 | 142701.0291 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 163.205 | 26243.47602 | |
| Nitzschia tropica Hustedt | 326.41 | 69521.15555 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 489.61516 | 66266.01096 | |
| Planothidium rostratum (Østrup) Lange-Bertalot | 163.205 | 13839.41008 | |
| Reimeria sinuata (Gregory) Kociolek et Stoermer | 163.205 | 27385.52887 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 5793.7797 | 2945270.795 | |
| Sellaphora seminulum (Grunow) Mann | 163.205 | 12003.99392 | |
| Simonsenia delognei (Grunow) Lange-Bertalot | 326.41 | 18188.02871 | |
| Surirella angusta Kützing | 163.205 | 178985.8275 | |
| Cyanophyta | |||
| Oscillatoria sp. 1? | 4503.96012 | 112599.0031 | |
| Phormidium granulatum | 3669.89343 | 303492.2888 | |
| Rhodophyta | |||
| Unknown Rhodophyte Florideophycidae (chantransia) | 14012.32038 | 28044321.16 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |