USGS Water-Year Summary 2024
01034000 PISCATAQUIS RIVER AT MEDFORD, ME
LOCATION - Lat 45°15'38", long 68°52'07" referenced to North American Datum of 1983, Piscataquis County, ME, Hydrologic Unit 01020004, on left bank 2.0 mi southwest of Medford, and 3.3 mi downstream from Pleasant River.
DRAINAGE AREA - 1,162 mi².
REVISIONS HISTORY - WSP 1231: 1936. WSP 1301: 1925-29(M). WDR ME-81-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - DISCHARGE: June 1924 to September 1982, October 1989 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 248.68 ft above National Geodetic Vertical Datum of 1929. Prior to Aug. 14, 1929, nonrecording gage at site 1.8 mi downstream at different datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of May 1, 1923 reached a stage of 20.8 ft, former site and datum, discharge not determined. Maximum discharge since at least 1923, 85,000 ft³/s, Apr. 1, 1987, gage height 18.65 ft, present datum, from floodmarks, from rating curve extended above 32,000 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 60,100 ft³/s, Nov. 4, 1966, gage height, 15.58 ft; minimum discharge, 77 ft³/s, Sept. 20, 2001, gage height, 1.10 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD - CHEMICAL ANALYSES: Water years 1952-53.