|
LOCATION.-- Lat 41°40'27", long 87°50'35" (NAD of 1927), in SW1/4SE1/4 sec. 22, T. 37 N., R. 12 E., Cook County, Hydrologic Unit 07120003, at bridge on 119th Street at Palos Park. |
|
|
DRAINAGE AREA.-- 10.8 mi2. |
|
|
PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE AND STAGE |
|
|
PARTIAL RECORD: Annual maximum, water years 1961 to 1979. |
|
|
GAGE.-- Crest-stage gage. Datum is 623.56 ft above NGVD of 1929 (623.26 ft NAVD 1988). Prior to May 15, 1973 at datum 1.34 ft. higher, and from May 16, 1973 to Sept. 30, 1975, at datum .05 ft. lower. |
|
|
EXTREMES FOR PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 762 ft3/sec, March 4, 1979, gage height, 2.40 ft. |
|
|
EXTREMES OUTSIDE PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE ADN STAGE: Flood of October 11, 1954 reached a stage of 4.33 ft, from high water marks, discharge 2,050 ft3/s. |
|
|
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |