Important Legacy real-time page
Available data
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Learn about the data collection categories Continuous data
3 data types available - data from 1997-11-27 to 2026-08-01
Daily data
3 data types available - data from 1923-10-01 to 2026-07-30
Field measurements
2 data types available - data from 1924-02-27 to 2026-07-06
Discrete sample data
26 Observed properties (data types) available - with data from 1960-04-03 to 2025-12-02
99 Sampling activities
Statistical tables for select daily data types
3 data types available - data from 1923-10-01 to 2026-07-30
Important information about this monitoring location
LOCATION.-- On right bank 250 ft downstream from culvert on Randolph Rd., 1.5 mi southwest of Colesville, 3 mi upstream from Burnt Mills, 10 mi upstream from Sligo Creek, and 12.5 mi upstream from confluence with Northeast Branch. PERIOD OF RECORD.-- October 1923 to September 1983, November 1997 to current year. Monthly discharge only for some periods, published in WSP 1302. GAGE.-- Water-stage recorder, crest-stage gage and concrete control. Datum of gage is 264.05 ft above North American Vertical Datum of 1988. Prior to Apr. 22, 1932, nonrecording gages in same general vicinity at different gage datums. Apr. 22, 1932 to Apr. 11, 1934, nonrecording gage at present site and gage datum. REMARKS.-- Diversions at low flow since 1962 for irrigation of golf courses upstream from station. Records include pumpage from the Patuxent River to augment water supply for Washington Suburban Sanitary District, Aug. 12, 1939 to Aug. 1960.
Monitoring locations with continuous data in last 120 days
No locations found
