LOCATION.--Lat 41°26'28", long
74°36'07" referenced to North American Datum of 1983,
Orange County, NY, Hydrologic Unit 02040104, on right bank just
upstream from bridge on Guymard Turnpike, 0.5 mi downstream
from Basher Kill, 0.8 mi southeast of Godeffroy, 1.7 mi south
of Cuddebackville, and 8.5 mi upstream from mouth.
DRAINAGE AREA.--307 mi².
PERIOD OF RECORD.--Gage heights and discharge
measurements, August to October 1903 and August 1909 to April
1914, and twice-daily figures of discharge for January 1911 to
December 1912 (which do not represent daily mean discharges
because of diurnal fluctuation) are published in WSP 97, 261,
321, 351, and 381. July 1937 to current year. August to October
1903, published as "Navesink River at Godeffroy,
NY."
REVISIONS HISTORY.--WSP 1502: 1951(M). WDR NY-82-1:
Drainage area. WDR NY-87-1: 1986. WDR-US-2007: 2006.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 459.66 ft above NGVD of 1929 (levels by Corps of
Engineers) and 458.86 ft above NAVD of 1988. Prior to Apr. 30,
1914, nonrecording gages at same site (August to October 1903
at datum 0.98 ft higher).
REMARKS.--Prior to 1949, diurnal fluctuation at low and
medium flow caused by powerplant at Cuddebackville. Subsequent
to June 1953, 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 2014-19: Records good except those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, since
construction of Neversink Reservoir in 1953, 33,000 ft³/s, Aug.
19, 1955, gage height, 12.49 ft; minimum discharge not
determined.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--Maximum
discharge, prior to construction of Neversink Reservoir in
1953, 24,500 ft³/s, Nov. 26, 1950, gage height, 11.79 ft;
minimum observed, no flow July 21, 22, 28, 1911, result of
regulation.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
October 2018 to current year.
INSTRUMENTATION1.--Water-temperature
satellite and telephone telemeter provides 15-minute-interval
readings.
REMARKS1.--Interruption of record was due to
malfunction of recording instrument.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER
TEMPERATURE: Maximum, 27.6°C, July 21, 2019; minimum, -0.2°C on
several days during 2019 winter period.
1 Water-Quality Records
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