USGS Water-Year Summary 2021
01578475 OCTORARO CREEK NEAR RICHARDSMERE, MD
LOCATION - Lat 39°42'24", long 76°06'56" referenced to North American Datum of 1927, Cecil County, MD, Hydrologic Unit 02050306, at single-span steel-truss bridge on New Bridge Road, 1.0 mi south of PA-MD state line, 1.3 mi northeast of Richardsmere, and 2.5 mi east of Rock Springs, MD.
DRAINAGE AREA - 177 mi².
- WDR-US-2009: 2006, 2007, 2008 (M).
PERIOD OF RECORD - October 1988 to September 1995 (discharge measurements only); December 2005 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 120 ft above National Geodetic Vertical Datum of 1929, from topographic map. Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the Pennsylvania Department of Environmental Protection and the Susquehanna River Basin Commission.