USGS Water-Year Summary 2024
01364500 ESOPUS CREEK AT MOUNT MARION, NY
LOCATION - Lat 42°02'16", long 73°58'19" referenced to North American Datum of 1983, Ulster County, NY, Hydrologic Unit 02020006, on left bank at downstream side of bridge on Glasco Turnpike, 0.8 mi east of Mount Marion, 1.6 mi downstream from Plattekill Creek, and 4.5 mi upstream from mouth.
DRAINAGE AREA - 419 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Occasional miscellaneous discharge measurements, 1902, 1951, 1956, 1966, 1967, 1969. April 1907 to December 1913 (furnished by Board of Water Supply, City of New York), January 1914 to March 1918 (monthly discharges only, furnished by Board of Water Supply, City of New York, published in WSP 1302), March 1970 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 40.15 ft above NGVD of 1929 and 39.36 ft above NAVD of 1988. Prior to Aug. 12, 1970, nonrecording gage at same site (at different datum April 1907 to March 1918).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,500 ft³/s, Apr. 3, 2005, gage height, 26.46 ft, outside gage height was 26.19 ft, from crest-stage gage; minimum discharge, 5.3 ft³/s, Aug. 10, 1999, gage height, 11.51 ft.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT DISCHARGE: November 2013 to current year.
EXTREMES FOR PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 439 mg/L, July 16, 2014; minimum daily mean, 1 mg/L, Feb. 23, 24, 27, 2015.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 6,200 tons, Sept. 30, 2015; minimum daily, 0.23 ton, Sept. 8, 9, 2015.