LOCATION.-- Lat. 41°52'17", Long 88°09'41" (NAD of 1927), In sec. 12, T. 39 N., R. 9 E., at highway bridge at Winfield, DuPage County, 60 feet above Chicago & Northwestern Railway bridge.

DRAINAGE AREA.-- 44 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: June 1925 to January 1926.

GAGE.-- Staff gage. Datum of gage is Unknown..

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge observed, 50 ft³/s, Jan. 3, 1925, gage height, 2.50 ft; minimum discharge observed, 0.50 ft³/s, Sept. 2-11, 1925, gage height, 1.24 ft.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data