--01478120 EAST BRANCH WHITE CLAY
CREEK AT AVONDALE, PA
--Lat 39`49'42", long
75`46'52", Chester County, Hydrologic Unit 02040205, at Third
Street bridge in Avondale Borough, 2,000 ft upstream from State Route
--11.3 square miles.
PERIOD OF RECORD.
--October 2007 to current year.
Ungaged Chester County Biological Monitoring site since 1969.
--Water-stage recorder and water-quality monitor.
Datum of gage is 270 ft above National Geodetic Vertical Datum of 1929,
from topographic map.
--Funding for this station is provided by
the Chester County Water Resources Authority, the Chester County
Emergency Management Services, the U.S. Geological Survey.