Station list     Available data
ILLINOIS RIVER BASIN


05551700       BLACKBERRY CREEK NEAR YORKVILLE, IL

 

LOCATION.-- Lat 41°40'18", long 88°26'29" (NAD of 1983), in SE1/4NW1/4 sec.21, T.37 N., R.7 E., Kendall County, Hydrologic Unit 07120007, on right bank 300 ft upstream from bridge on State Highway 47, 2.0 mi north of Yorkville, and at mile 3.3.

 

DRAINAGE AREA.-- 70.2 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1960 to current year.

 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1978-91.

BIOLOGICAL

 

ALGAE: Water year 1990.

 

REVISED RECORDS.-- WDR IL-75-1: Drainage area.

 

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 612.34 ft above NGVD of 1929 (612.10 ft NAVD 1988).

 

REMARKS.-- Diversion about 7 miles upstream near Jericho Rd. that crosses the watershed divide during overbank flow.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE -WATER DISCHARGE AND STAGE: Maximum discharge, 5,510 ft3/s, from rating curve extended above 3,900 ft3/s, July 18, 1996, gage height, 13.16 ft, backwater from debris jam; minimum, 0.10 ft3/s, Dec. 7, 1962, result of freeze up.




Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data