Funding for this site is provided by:
--01480870 East Branch Brandywine Creek
Below Downingtown, PA
--Lat 39`58'07", long
75`40'25", Chester County, Hydrologic Unit 02040205, on left
bank at downstream side of Sugars Bridge (U.S. Highway 322), 2,000 ft
upstream from Valley Creek, 1.5 mi north of Marshallton, and 3.3 mi
southeast of Downingtown.
--89.9 square miles.
PERIOD OF RECORD.
--February 1972 to current
--Water-stage recorder, crest-stage gage,
water-quality monitor, and Pluvio precipitation gage. Datum of gage is
195 ft above National Geodetic Vertical Datum of 1929, from topographic
map. Feb 1 to Apr 10, and Jun 25 to Nov 17, 1972, non-recording gage at
same site and datum. Satellite and landline telemetry at station.
--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by Chester County Water Resources Authority and the U.S.
--Flow regulated since November 1973 by Marsh
Creek Reservoir (station 01480684), about 7.5 mi upstream. Select water-quality data collection discontinued
during winter months since the 1981 water year.
interruptions in the record were due to malfunctions of the
GAGE HEIGHTS OF IMPORTANCE
Supplied by NWS
: Action stage-6 ft; Flood stage-7 ft;
Moderate flood stage-9 ft; Major flood stage-11 ft.