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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
01396800 SPRUCE RUN AT CLINTON, NJ
LOCATION - Lat 40°38'24", long 74°54'56" referenced to North American Datum of 1983, Clinton Town, Hunterdon County, NJ, Hydrologic Unit 02030105, 1,800 ft downstream from dam at Spruce Run Reservoir, 0.2 mi north of Clinton, 0.3 mi upstream from mouth, and 2.2 mi southwest of High Bridge.
DRAINAGE AREA - 41.3 mi².
REVISIONS HISTORY - WDR US-2011: 1967-68(M), 1970(M), 1972-75(M), 1978-79(M), 1983-84(M), 1987(M), 1997(M), 2004-10(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1959 to current year.
GAGE - Water-stage and precipitation recorder with telemetry. Concrete control since Mar 15, 1964. Datum of gage is 192.75 ft above NAVD of 1988. May to November 1959, non-recording gage; Nov 25, 1959 to Jul 23, 1961, water-stage recorder at site 1,800 ft upstream and at datum 1.41 ft lower; Jul 24, 1961 to Mar 14, 1964, water-stage recorder at site 1,500 ft upstream at datum 1.41 ft lower.
REMARKS - Records fair, except for estimated discharges, which are poor. Flow regulated by Spruce Run Reservoir since August 1963 (station 01396790).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,403 ft³/s, Sep 1, 2021, gage height, 5.35 ft; minimum discharge, 0.00 ft³/s, Aug 22, 1963, as a result of reservoir filling from August 1963 to March 1964.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
Discrete Water Quality: Water years 1959-71, 1973-75, 1977-91, 2005, 2007-08.
Continuous Water Quality: Water temperature, as well as relative fluorescence of chlorophyll and phycocyanin, Jul 2020 - Sep 2021.
REMARKS - The accuracy of continuous water-quality data can be found here.
EXTREMES FOR PERIOD OF RECORD -
Maximum water temperature, 30.2 deg C, many days; minimum water temperature, 0.0 deg C, many days.
Maximum chlorophyll, 94.51 RFU on May 29, 2021; minimum chlorophyll, 0.04 RFU on May 3, 2021.
Maximum phycocyanin, 22.18 RFU on May 29, 2021; minimum phycocyanin, 0.00 RFU, many days.
