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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
01073500 LAMPREY RIVER NEAR NEWMARKET, NH
LOCATION - Lat 43°06'09", long 70°57'11" referenced to North American Datum of 1927, Strafford County, NH, Hydrologic Unit 01060003, on right bank, 200 ft upstream from Packers Falls and Packer Falls Road, 1.8 mi northwest of Newmarket Town Hall, 2.6 mi southwest of Durham, and 4.6 mi upstream from mouth.
DRAINAGE AREA - 185 mi². from automated delineation using 30-meter National Elevation Dataset digital elevation model data and Watershed Boundary Dataset, accessed December 6, 2012 at http://water.usgs.gov/osw/streamstats/.
REVISIONS HISTORY - WSP 1231: 1936-37. WDR NH-VT-97-1: 1997 (datum correction). WDR 2012: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: July 1934 to current year. Water-quality records: Water year 1954.
GAGE - Water-stage recorder. Datum of gage is 37.55 ft above North American Vertical Datum of 1988.
COOPERATION - New Hampshire Department of Environmental Services and USGS Groundwater and Streamflow Information Program.
REMARKS - WATER YEARS 2014-17: Records good except those for estimated discharges, which are poor.
WATER YEARS 2018-19: Records good except those for estimated discharges, which are fair.
WATER YEAR 2020-21: Records good except those for estimated discharges, which are poor.
Some regulation by Pawtuckaway and Mendums Ponds. These reservoirs have a usable capacity of about 600 million ft³. Occasional diversion upstream from station for municipal supply of Durham.
WATER YEARS 2018-19: Records good except those for estimated discharges, which are fair.
WATER YEAR 2020-21: Records good except those for estimated discharges, which are poor.
Some regulation by Pawtuckaway and Mendums Ponds. These reservoirs have a usable capacity of about 600 million ft³. Occasional diversion upstream from station for municipal supply of Durham.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,970 ft³/s, May 16, 2006, gage height 18.31 ft (from floodmarks); minimum daily discharge, 0.66 ft³/s, July 27, 1994, during refilling after repairs at Wiswall Dam.
