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 1985-10-01 to 2026-08-20
Daily data
1 data types available - data from 1939-10-01 to 2026-08-18
Field measurements
2 data types available - data from 1939-12-09 to 2026-07-31
Discrete sample data
91 Observed properties (data types) available - with data from 1975-12-31 to 2005-07-25
534 Sampling activities
Peak measurements
2 data types available - with data from 1933-08-01 to 2025-07-10
Statistical tables for select daily data types
1 data types available - data from 1939-10-01 to 2026-08-18
Important information about this monitoring location
LOCATION.-- On left bank 20 ft downstream from bridge on southbound lanes of U.S. Highway 1, 0.4 mi southeast of Savage, 0.9 mi downstream from Middle Patuxent River, and 16.2 mi upstream from mouth. PERIOD OF RECORD.-- October 1939 to September 1958. Annual maximums, water years 1959-66, 68, 72, 75. October 1975 to September 1980. May 1985 to current year. Prior to December 1939, monthly discharge only, published in WSP 1302. GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 122.00 ft above North American Vertical Datum of 1988. Prior to October 1958, water-stage recorder at site 400 ft downstream at same gage datum. October 1958 to September 1972, crest-stage gage at site 400 ft downstream on right bank at same gage datum. October 1975 to September 1980, water-stage recorder at site 500 ft downstream at same gage datum. REMARKS.-- Some diurnal fluctuation at low flow caused by plant 0.5 mi upstream.
Monitoring locations with continuous data in last 120 days
No locations found
