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LOCATION--Lat 42°40’17", long
71°08’59", Essex County, Hydrologic Unit 01070002, on left
bank at upstream side of Balmoral Street bridge, and 3 mi upstream from
mouth at Andover.
DRAINAGE AREA--72.8 mi2.
PERIOD OF RECORD--October 2006 to current year.
GAGE--Data Collection Platform with satellite telemeter. Elevation of gage (gage height reading) is to National Geodetic Vertical Datum of 1929.
REMARKS--Flow affected by upstream withdrawals for municipal water supplies of many towns.
COOPERATION BY--Town of Andover.
The precipitation data for this station are temporary and will only be displayed for 120 days. Time series of 15-minute or cumulative daily values WILL NOT be available for retrieval following the 120-display period. Although the instrumentation is calibrated at least once/year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies. The preciptation gage is operated seasonally, from April to November.
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