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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
01169900 SOUTH RIVER NEAR CONWAY, MA
LOCATION - Lat 42°32'31", long 72°41'39" referenced to North American Datum of 1927, Franklin County, MA, Hydrologic Unit 01080203, on left bank 50 ft downstream of Reeds Bridge just off Bardwell Road, 2.2 mi north of Conway, and 2.6 mi upstream from mouth. From June 2004 to July 2016, on left bank 100 ft upstream of Reeds Bridge just off Bardwell Road, 2.2 mi north of Conway, and 2.6 mi upstream from mouth.
DRAINAGE AREA - 24.1 mi².
REVISIONS HISTORY - WDR MA-NH-RI-VT-73-1: 1968-70(P), 1971(M), 1972(P). WDR MA-RI-84-1: Drainage area. Water years 2011, 2012, and 2013, annual peak discharge.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge: June 1966 to current year. Water-quality records:
Water years 1967-69, 1994-95, 2003-05. Intermittent water-quality samples: water years 1967-69, 1994-95, 2003-05.
GAGE - Data Collection Platform with satellite telemeter. Datum of gage is 459.45 ft above NAVD 1988, estimated from topographic map. Datum previously reported as 460 ft above NGVD 1929, estimated from topographic map. From June 1966 to June 2004, water-stage recorder at current site and datum. From June 2004 to July 2016, water-stage recorder at site 150 ft upstream at same datum.
COOPERATION - Massachusetts Department of Conservation and Recreation, Office of Water Resources.
REMARKS - Diurnal fluctuation by small powerplant upstream since April 1982.
WY2016: Records good, except for periods of ice effect, Jan. 4-9, 12-31, Feb. 6-23, 27, Mar. 3-5, and period of no gage-height record, Jan. 5, which are poor.
WY2015: Records good, except for periods of ice effect, Dec. 8, 10, Dec. 31 to Jan. 19, Jan. 21-24 and Jan. 26 to Mar. 26, which are poor.
WY2014: Records fair, except those for discharges greater than 3,500 ft³/s and those for estimated daily discharges, which are poor.
Maximum peak flow, 9,300 ft³/s, Aug. 28, 2011, estimated, based on rating curve extended above 3,500 ft³/s on basis of indirect measurement (at former location). Maximum peak stage, 14.27 ft, from high-water mark (at former location).
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water-quality records: Water years 1967-69, 1994-95, 2003-05. Intermittent water-quality samples, water years 1967-69, 1994-95, 2003-05.
