USGS Water-Year Summary 2021
01100568 SHAWSHEEN RIVER AT HANSCOM FIELD NEAR BEDFORD, MA
LOCATION - Lat 42°28'01", long 71°16'22" referenced to North American Datum of 1927, Middlesex County, MA, Hydrologic Unit 01070002, on left bank 300 ft downstream from FAA hangar, on Hanscom Field, and 1.6 mi south of Bedford.
DRAINAGE AREA - 2.13 mi².
- WDR MA-RI-03-1: Drainage area.
PERIOD OF RECORD - Discharge: October 1995 to current year. Precipitation: March 1996 to September 2004. Water-quality records: water years 1995-2001.
GAGE - Data Collection Platform with telephone telemeter. Datum of gage is 114.19 ft above NAVD 1988, estimated from topographic map. Datum previously reported as 115 ft above NGVD 1929, estimated from topographic map.
COOPERATION - U.S. Air Force.
PERIOD OF RECORD - Water quality: September 1995 to September 2001.