Station list     Available data
APPLE RIVER BASIN


05419000       APPLE RIVER NEAR HANOVER, IL

 

LOCATION.-- Lat 42°15'10", long 90°17'09" (NAD of 1927), in NE1/4NW1/4 sec.16, T.26 N., R.2 E., Jo Daviess County, Hydrologic Unit 07060005, on right bank, 0.3 mi southwest of Hanover, and at mile 13.9.

 

DRAINAGE AREA.-- 247 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1934 to current year. Monthly discharge only for some periods, published in WSP 1308.

 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY

 

SEDIMENT: October 1994 to September 1997.

 

MISCELLANEOUS: Sediment concentration and particle size, water year 1997.

 

REVISED RECORDS.-- WSP 1005: 1939, 1941(M). WSP 1308: 1935-38(M), 1943-45(M). WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 591.00 ft above NGVD of 1929. Prior to Oct. 1, 1945, nonrecording gage at site 3.5 mi downstream at datum 9.48 ft lower.

 

REMARKS.-- Occasional regulation during low flow by dam at Hanover. Suspended-sediment samples were collected by a local observer once a week with additional samples collected during storm runoff periods.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 13,700 ft3/s, June 4, 2002, gage height 27.91 ft; no flow for part of each day, May 23, 24, 1967, result of temporary closure of gate at dam at Hanover.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 3,790 mg/L, May 28, 1996; minimum daily, 5 mg/L, Aug. 5, 1997.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 28,900 tons, May 28, 1996; minimum daily, 0.8 tons, Aug. 5, 1997




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data