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 1982-07-27 to 2026-08-19
Daily data
1 data types available - data from 1947-08-01 to 2026-08-18
Field measurements
2 data types available - data from 1947-09-11 to 2026-08-17
Discrete sample data
98 Observed properties (data types) available - with data from 1947-09-11 to 2004-08-09
272 Sampling activities
Peak measurements
2 data types available - with data from 1948-01-01 to 2025-05-14
Statistical tables for select daily data types
1 data types available - data from 1947-08-01 to 2026-08-18
Important information about this monitoring location
LOCATION.-- On right bank 300 ft downstream from bridge on State Highway 17, 1.3 mi south of Middletown, 2.2 mi downstream from Little Catoctin Creek, and 14.8 mi upstream from mouth. PERIOD OF RECORD.-- August 1947 to current year. GAGE.-- Water-stage recorder, crest-stage gage and concrete control. Datum of gage is 376.29 ft above North American Vertical Datum of 1988.
Monitoring locations with continuous data in last 120 days
No locations found

