Station list     Available data
ILLINOIS RIVER BASIN


05571000       SANGAMON RIVER AT MAHOMET, IL

 

LOCATION.-- Lat 40°11'30", long 88°24'00" (NAD of 1927), in NE1/4SW1/4 sec.15, T.20 N., R.7 E., Champaign County, Hydrologic Unit 07130006, on right bank at downstream side of bridge on U.S. Highway 150 in Mahomet, 0.7 mi upstream from Penn Central Railroad bridge.

 

DRAINAGE AREA.-- 362 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: March 1948 to October 1978.

SURFACE-WATER QUALITY

 

CHEMICAL: Water year 1978.

 

REVISED RECORDS.-- WDR IL-75: Drainage area.

 

GAGE.-- Water-stage recorder. Datum of gage is 664.98 ft above NGVD of 1929. Prior to Dec. 21, 1948, nonrecording gage at same site and datum. Prior to Oct. 1, 1974, at datum 0.13 ft higher.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 14,600 ft3/s May 28, 1956, gage height, 19.96 ft; no flow Sept. 25 to Oct. 3, 1954.




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data