USGS 01436690 NEVERSINK RIVER AT BRIDGEVILLE NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 41°38'17.0", long 74°37'00.8" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02040104, on left bank 0.1 mi upstream from State Highway 17 bridge, and 0.25 mi upstream from Bridgeville.
DRAINAGE AREA.--171 mi².
PERIOD OF RECORD.--October 1992 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,056.14 ft above NGVD of 1929 and 1,055.56 ft above NAVD of 1988.
REMARKS.--Entire flow from 92.5 mi² of drainage area controlled by Neversink Reservoir (station 01435900). Part of flow diverted for New York City municipal supply. Remainder of flow (except for conservation releases and spill) impounded for release during periods of low flow in the lower Delaware River basin, as directed by the Delaware River Master. Occasional regulation by Pleasure Lake at South Fallsburg.
Water Years 2014-22: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 25,900 ft³/s, Apr. 3, 2005, gage height, 21.25 ft, from floodmark in gage house; minimum discharge, 20 ft³/s, Dec. 31, 1998, result of freezeup; minimum gage height, 4.25 ft, Jan. 19, 2002, result of freezeup.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: October 1992 to current year. SPECIFIC CONDUCTANCE: January 2020 to current year.
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature and specific conductance provides 15-minute-interval readings. Prior to May 1993, satellite telemeter provided one-hour-interval readings.
REMARKS1.--Temperature readings prior to Oct. 1, 2007, rounded to the nearest 0.5 °C.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum, 26.5 °C, July 15, 1995; minimum, 0.0 °C on many days during winter periods. WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 25.4 °C, July 7, 8, 2010; minimum, -0.2 °C, Feb. 16, 17, 2016. SPECIFIC CONDUCTANCE: Maximum, 248 uS/cm at 25 °C, Feb. 17, 2021; minimum, 32 uS/cm at 25 °C, Aug. 24, 2022.
1 Water-Quality Records
> Rating Information
This station managed by the NY Water Science Center Milford.

Available Parameters Available Period
  
2007-10-01  2024-03-18
1992-10-01  2024-03-18
2007-10-01  2024-03-18
2020-01-16  2024-03-18







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Temperature, water, degrees Celsius

Most recent instantaneous value: 5.2 03-18-2024   21:30 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 482 03-18-2024   21:30 EST
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Daily discharge, cubic feet per second -- statistics for Mar 18 based on 31 water years of record more
Min
(2002)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Mar 18
Max
(2011)
62.7 194 240 327 425 482 1110


Gage height, feet

Most recent instantaneous value: 5.67 03-18-2024   21:30 EST
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 51 03-18-2024   21:30 EST
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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