LOCATION--Lat 42°45’10", long 70°56’46", Essex County, Hydrologic Unit 01090001, on left bank 1,400 ft downstream from dam, 0.5 mi south of Byfield, 0.7 mi upstream from Wheeler Brook, and 5.5 mi southwest of Newburyport.  
DRAINAGE AREA--21.3 mi².
PERIOD OF RECORD--Discharge: October 1945 to current year. October 1945 monthly discharge only, published in WSP 1301.
Water-quality records: Water years 2003–04.
REVISED RECORDS--WDR MA-RI-84-1: Drainage area; WDR MA-RI-00-1: 1999.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 22.68 ft above NAVD 1988, from levels by Massachusetts Department of Public Works. Datum previously reported as 23.46 ft above NGVD 1929, from levels by Massachusetts Department of Public Works.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

Photo of Parker River Gage

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