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USGS 01427510 DELAWARE RIVER AT CALLICOON NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 41°45'24.3", long 75°03'26.7" referenced to North American Datum of 1983, Wayne County, PA, Hydrologic Unit 02040101, on right bank 0.5 mi downstream from Callicoon Creek, 0.5 mi downstream from Interstate Bridge 7, and 0.8 mi southeast of Callicoon.
DRAINAGE AREA.--1,820 mi².
PERIOD OF RECORD.--June 1975 to current year.
REVISIONS HISTORY.--WDR NY-82-1: Drainage area. WDR NY-86-1: 1975-84 (M). WDR NY-04-1: 2003.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 734.88 ft above NGVD of 1929 and 734.33 ft above NAVD of 1988.
REMARKS.--Entire flow from 371 mi² of drainage area controlled by Pepacton Reservoir (station 01416900), and entire flow from 454 mi² of drainage area controlled by Cannonsville Reservoir (station 01424997). Part of flow from these reservoirs 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.
Water Years 2014-20: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 144,000 ft³/s, June 28, 2006, gage height, 20.38 ft; minimum discharge, 306 ft³/s, Sept. 24, 25, 1997; minimum gage height, 2.20 ft, Sept. 13, 1977, Aug. 23, 1985.
PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: June 2012 to March 2014, December 2014 to current year. WATER TEMPERATURE: June 1975 to current year. pH: December 2019 to current year. DISSOLVED OXYGEN: December 2019 to current year. CHLOROPHYLL FLUORESCENCE: December 2019 to current year. PHYCOCYANIN FLUORESCENCE: December 2019 to current year.
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature, specific conductance, pH, dissolved oxygen, chlorophyll fluorescence, and phycocyanin fluorescence provides 15-minute-interval readings. Prior to May 1989, water-temperature recorder provided one-hour-interval readings.
REMARKS1.--Temperature readings prior to Oct. 1, 2007, rounded to the nearest 0.5 °C. Water temperature is affected by release of water from upstream reservoirs. Interruption of record was due to malfunction of recording instrument. Specific conductance records considered poor in water years 2015-17, 2019.
EXTREMES FOR PERIOD OF DAILY RECORD1.--SPECIFIC CONDUCTANCE: Maximum, 252 uS/cm at 25 °C, July 5, 6, 2018; minimum, 34 uS/cm at 25 °C, June 28, 2013. WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum (water years 1976-2007), 30.5 °C, July 12, 1987; minimum, 0.0 °C on many days during winter periods. WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 30.4 °C, July 7, 2010; minimum, -0.3 °C, Dec. 2, 2007, Dec. 3, 8, 19, 2019. pH: Maximum, 9.6, May 22, 2020; minimum, 6.5, Apr. 14, May 1, 2, 2020. DISSOLVED OXYGEN: Maximum, 15.0 mg/L, Dec. 21, 2019; minimum, 4.7 mg/L, July 22, 2020. CHLOROPHYLL FLUORESCENCE: Maximum, 108 ug/L, 26.9 RFU, May 2, 2020; minimum 0.0 ug/L, 0.0 RFU, on many days. PHYCOCYANIN FLUORESCENCE: Maximum, 6.64 ug/L, 6.66 RFU, May 2, 2020; minimum, 0.0 ug/L, 0.0 RFU, on many days.
1 Water-Quality Records
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> Rating Information
This station managed by the NY Water Science Center Milford.

Available Parameters Available Period
  
2007-10-01  2021-10-15
1990-10-01  2021-10-15
2007-10-01  2021-10-15
2012-06-02  2021-10-15
2019-12-19  2021-10-15
2021-06-17  2021-10-15
2019-12-19  2021-10-15
2019-12-19  2021-10-15
2019-12-19  2021-10-15
2019-12-19  2021-10-15
2019-12-19  2021-10-15







 (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: 16.2 10-15-2021   13:30 EST
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 2800 10-15-2021   13:30 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 15 based on 46 water years of record more
Min
(1992)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Oct 15
Max
(2006)
638 1120 1310 2010 2210 2800 9300


Gage height, feet

Most recent instantaneous value: 4.07 10-15-2021   13:30 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: 160 10-15-2021   13:30 EST
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 10.6 10-15-2021   13:30 EST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, percent of saturation

Most recent instantaneous value: 108 10-15-2021   13:30 EST
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.1 10-15-2021   13:30 EST
Graph of  pH, water, unfiltered, field, standard units

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
 
-- Data temporarily unavailable for the time period specified --

Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
 
-- Data temporarily unavailable for the time period specified --