STATION.--03106300 MUDDY CREEK NEAR PORTERSVILLE, PA
LOCATION.--Lat 40`57'47", long 80`07'31", Butler County, Hydrologic Unit 05030105, on left bank 1,000 ft downstream from Lake Arthur Dam, 0.2 mi north of U.S. Highway 422, and 3 mi north of Portersville.
DRAINAGE AREA.--51.2 square miles.
PERIOD OF RECORD.--March 1963 to September 1993, July 1994 to current year.
GAGE.--Water-stage recorder. Datum of gage is 1,160.91 ft above National Geodetic Vertical Datum of 1929 (Pennsylvania Department of Environmental Resources bench mark). Prior to Apr. 8, 1963 non-recording gage at site 2,000 ft downstream at different datum. Apr. 8 to May 1, 1963, non-recording gage and May 2, 1963 to Sept. 30, 1980, water-stage recorder at site 1,000 ft downstream at datum 5.71 ft lower.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
REMARKS.--Some regulation from October 1966 to May 1969 and completely regulated thereafter by Lake Arthur (Station 03106280) 1,000 ft upstream.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-4.6 ft; Flood stage-6 ft; Moderate flood stage-8 ft; Major flood stage-9 ft.