Station list     Available data
ROCK RIVER BASIN


05440000       KISHWAUKEE RIVER NEAR PERRYVILLE, IL

 

LOCATION.-- Lat 42°11'40", long 88°59'55" (NAD of 1927), in NE1/4NE1/4 sec.21, T.43 N., R.2 E., Winnebago County, Hydrologic Unit 07090006, on left bank at upstream side of bridge on Blackhawk Road, 1.4 mi downstream from South Branch Kishwaukee River, 2 mi southwest of Perryville, 7.1 mi upstream from Killbuck Creek, and at mile 9.6.

 

DRAINAGE AREA.-- 1,099 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1939 to current year.

 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1978-91.

 

SEDIMENT: April 1979 to September 1981.

 

REVISED RECORDS.-- WSP 1175: 1941(P), 1942. WSP 1508: 1941, 1949. WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder, phone telemeter, and U.S. Army Corps of Engineers satellite telemeter and rain gage. Datum of gage is 692.13 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Apr. 30, 1949, nonrecording gage at same site and datum.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 24,200 ft3/s, July 18, 1996, gage height 23.54 ft; minimum discharge, 46 ft3/s, Oct. 6, 7, 10, 1956.

SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 1,860 mg/L June 7, 1980; minimum daily mean, 13 mg/L Sept. 17, 1981.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 24,000 tons Apr. 1, 1979; minimum daily, 11 tons Sept. 17, 1981.

 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood in January 1938 reached a stage of 23.85 ft, from information by the U.S. Army Corps of Engineers.




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data