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Water-Year Summary for Site 01102000

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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.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 42°39'35", long 70°53'39" referenced to North American Datum of 1927, Essex County, MA, Hydrologic Unit 01090001, on left bank 200 ft downstream from Willowdale Dam, 1.5 mi downstream from Howlett Brook, and 4 mi upstream from Ipswich.
DRAINAGE AREA - 125 mi².
REVISIONS HISTORY - WSP 1621: 1930-58 (monthly runoff). WDR MA-RI-84-1: Drainage area.
PERIOD OF RECORD - Discharge: June 1930 to current year. Water-quality records: water years 1954, 1976-79.
GAGE - Data Collection Platform with satellite telemeter. Datum of gage is 19.83 ft above NAVD 1988. Datum previously reported as 20.63 ft above NGVD 1929.
COOPERATION - Massachusetts Department of Conservation and Recreation, Office of Water Resources.
REMARKS - Records good except those for estimated daily discharges, which are fair. Diversions upstream for municipal supply of Reading, Lynn, Peabody, Danvers, Salem, and Beverly. Some regulation by reservoirs upstream.
PERIOD OF RECORD - Water-quality records: Water years 1954, 1976-79.