|
LOCATION.-- Lat 40°19'19", long 87°48'02" (NAD of 1927), in SE1/4NE1/4 sec.34, T.22 N., R.13 W., Vermilion County, Hydrologic Unit 05120109, on left bank at downstream side of highway bridge, 1.0 mi north of Potomac and 2.0 mi upstream from mouth. |
|
|
DRAINAGE AREA.-- 34.8 mi2. |
|
|
PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE AND STAGE |
|
|
DISCHARGE: October 1949 to October 1971. Monthly discharge only for some periods, published in WSP 1305. |
|
|
PARTIAL RECORD: Annual maximum, water years 1972 to 1982. |
|
|
REVISED RECORDS.-- WSP 1725: Drainage area. |
|
|
GAGE.-- Water-stage recorder. Datum of gage is 655.37 ft above NGVD of 1929 (655.20 ft NAVD 1988). Prior to May 4, 1950, nonrecording gage at same site and datum. |
|
|
EXTREMES FOR PERIOD OF RECORD.-- |
|
|
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 5,160 ft3/s May 16, 1968, gage height, 12.80 ft; no flow for many days in most years. |
|
|
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |