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 1990-10-01 to 2026-08-06
Daily data
5 data types available - data from 1943-04-01 to 2026-08-04
Field measurements
2 data types available - data from 1948-09-01 to 2026-07-22
Discrete sample data
167 Observed properties (data types) available - with data from 1957-11-01 to 2002-05-23
434 Sampling activities
Peak measurements
2 data types available - with data from 1935-09-01 to 2025-04-12
Statistical tables for select daily data types
4 data types available - data from 1943-04-01 to 2026-08-04
Important information about this monitoring location
LOCATION.-- On left bank at downstream side of highway bridge on county road No. 545, 800 ft downstream from Gum Branch, 2.5 mi southeast of Bridgeville, and 50.5 mi upstream from mouth. PERIOD OF RECORD.-- April 1943 to current year. Prior to October 1955, published as Gravelly Fork near Bridgeville, DE. GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 12.60 ft above North American Vertical Datum of 1988. Prior to Apr. 19, 1947, nonrecording gage, and Apr. 19, 1947 to Dec. 18, 1969, recording gage at present site and datum. Feb. 18, 1970 to Oct. 1, 1973, recording gage at site 300 ft downstream at same gage datum. Timber control, Sept. 3, 1947 to Dec. 18, 1969. EXTREMES OUTSIDE PERIOD OF RECORD.-- Maximum stage known, about 11.0 ft in September 1935, from information by local residents.
Monitoring locations with continuous data in last 120 days
No locations found
