LOCATION.-- Lat 41°59'24", long 87°51'36" (NAD of 1927), in NW╝ SE╝ NW╝ sec.3, T.40N., R.12E., Cook County, Hydrologic Unit 07120004, 113 feet upstream of first bridge upstream of River Road.

DRAINAGE AREA.-- 21.7 mi▓.

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

PARTIAL RECORD: Miscellaneous discharge measurements, water year 2000.

SURFACE-WATER QUALITY

MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000.

BIOLOGICAL

BENTHIC MACROINVERTEBRATES: Water year 2000.

FISH: Water year 2001.

HABITAT: Water year 2000.

REMARKS FOR CURRENT YEAR.--Fish community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the upper Illinois River Basin. Collections were made with a single pass of the entire reach with a backpack electroshocker with supplementary seine hauls and kicks. Fishes were identified by C. A. Taylor, Illinois Natural History Survey, Champaign. Reach A begins 113 feet upstream of the first bridge upstream of River Road and continues upstream for 630 feet.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data