Important Legacy real-time page
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
3 data types available - data from 2005-06-29 to 2026-08-08
Daily data
1 data types available - data from 1948-05-01 to 2026-08-06
Field measurements
2 data types available - data from 1948-05-12 to 2026-07-14
Discrete sample data
125 Observed properties (data types) available - with data from 1968-02-26 to 2014-08-06
152 Sampling activities
Peak measurements
2 data types available - with data from 1949-07-18 to 2025-05-31
Statistical tables for select daily data types
1 data types available - data from 1948-05-01 to 2026-08-06
Important information about this monitoring location
LOCATION.--n 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. 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 536.28 ft above North American Vertical Datum of 1988. Prior to June 2005, datum of gage was 536.59 feet above National Geodetic Vertical Datum of 1929. REMARKS.-- Small fluctuations in flow due to batch discharges from the Washington Borough Sewage Treatment Plant, upstream from the gage, on the East Branch of Antietam Creek.
Monitoring locations with continuous data in last 120 days
No locations found
