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 2026-09-07
Daily data
1 data types available - data from 1932-10-01 to 2026-09-05
Field measurements
2 data types available - data from 1932-10-01 to 2026-08-14
Discrete sample data
154 Observed properties (data types) available - with data from 1961-01-09 to 1987-09-02
151 Sampling activities
Peak measurements
2 data types available - with data from 1889-05-01 to 2025-05-15
Statistical tables for select daily data types
1 data types available - data from 1932-10-01 to 2026-09-05
Important information about this monitoring location
LOCATION.-- on left bank, 0.2 mi downstream from Little Tonoloway Creek, 0.5 mi downstream from bridge on U.S. Highway 522 at Hancock, 1.1 mi upstream from Tonoloway Creek (formerly called Great or Big Tonoloway Creek), and at mile 239. PERIOD OF RECORD.-- October 1932 to current year. Gage-height records collected at same site since June 1925 are contained in reports of National Weather Service. GAGE.-- Water-stage recorder and crest-stage gage. Datum of gage is 383.06 ft above North American Vertical Datum of 1988. Oct. 1, 1932, to Jan. 5, 1935, Mar. 18, 1936, to Jan. 20, 1937, nonrecording gage, on former highway bridge just upstream at same gage datum. REMARKS.-- Slight regulation at low flow from power plants upstream. Low flow affected slightly by Stony River Reservoir prior to July 1981, since December 1950 by Savage River Reservoir (see station 01597500), and since July 1981 by Jennings Randolph Lake. EXTREMES OUTSIDE PERIOD OF RECORD.-- Maximum stage known prior to 1932, about 40 ft in May 1889, discharge, about 220,000 ft³/s.
Monitoring locations with continuous data in last 120 days
No locations found
