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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.
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USGS Water-Year Summary 2024
01102000 IPSWICH RIVER NEAR IPSWICH, MA
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.
SURFACE-WATER RECORDS
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.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water-quality records: Water years 1954, 1976-79.
