USGS Water-Year Summary 2020
01619000 ANTIETAM CREEK NEAR WAYNESBORO, PA
LOCATION - Lat 39°42'58.5", long 77°36'23.9" referenced to North American Datum of 1983, Washington County, MD, Hydrologic Unit 02070004, on right bank 100 ft upstream from highway bridge (Millers Church Rd.) at Rocky Forge, 0.4 mi downstream from Pennsylvania-Maryland State line, 0.7 mi downstream from confluence of West and East Branch Antietam Creek, 1.9 mi northeast of Leitersburg, MD, 2.5 mi southwest of Waynesboro, PA, and 36.6 mi upstream from mouth.
DRAINAGE AREA - 93.5 mi².
PERIOD OF RECORD - May 1948 to September 1951, October 1965 to September 1981, June 2005 to current year.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 536.15 ft above North American Vertical Datum of 1988. Former datum (536.59 ft above NGVD 1929) could not be recovered when gage was re-established in 2005.