LOCATION .--Lat 42°35'50", long 88°49'45", in SW 1/4 sec.27, T.2 N., R.14 E., Rock County, Hydrologic Unit 07090001, on left bank 25 ft downstream from bridge on Carvers Rock Road, 3.3 mi northeast of Clinton, 13 mi northeast of Beloit, and 17.8 mi upstream from mouth.
DRAINAGE AREA .--199 square miles, of which 2.33 square miles is noncontributing.
PERIOD OF RECORD .--September 1939 to present. Prior to January 1980, all records published as "Turtle Creek near Clinton" (05431500).
REVISED RECORDS .--WSP 955: 1940. WSP 1308: 1950(M). WDR WI-71-1: Drainage area.
GAGE .--Water-stage recorder and crest-stage gage. Elevation of gage is 823.27 ft (NAVD88) from GPS. Prior to January 17, 1940, non-recording gage, and January 17, 1940 to December 31, 1979, water-stage recorder at site 1.8 mi downstream at a different datum.
REMARKS .--Some seasonal regulation caused by dams used to maintain levels of Comus Lake, Delavan Lake and Delavan Mill Pond. Gage-height telemeter at station.
OPERATED IN COOPERATION WITH:
U.S. Army Corps of Engineers - Rock Island District
Additional Information:
National Weather Service Flood Forecast Page
Boating safety tips |
Min (1959) | 25th percen- tile | Most Recent Instantaneous Value Nov 8 | Median | Mean | 75th percen- tile | Max (2020) |
---|---|---|---|---|---|---|
30.0 | 65 | 85.7 | 93 | 105 | 123 | 310 |