USGS 01433005 MONGAUP R BELOW SWINGING BRIDGE RESERVOIR NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 41°34'02.2", long 74°46'59.8" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02040104, 1,500 ft downstream of the dam on Swinging Bridge Reservoir.
DRAINAGE AREA.--116 mi².  
PERIOD OF RECORD.--August 2019 to current year.
REVISIONS HISTORY.--Specific conductance records for the period Nov. 10, 2020, to Jan. 12, 2023, were revised on Nov. 30, 2023, as the original data were not temperature compensated to 25°C. 
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 936.26 ft above NAVD of 1988.
REMARKS.--Entire flow regulated by powerplant and storage in Swinging Bridge Reservoir (station 01433000). Total flow includes a diversion from Cliff Lake (station 01433200) discharged through a tunnel into Swinging Bridge Reservoir (station 01433000).
Water Year 2019: Records fair. Water Years 2020-22: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,410 ft³/s, Sept. 2, 2021, gage height, 6.56 ft; minimum daily discharge, 0.16 ft³/s, Dec. 21, 2019; minimum instantaneous discharge not determined.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: August 2019 to current year. DISSOLVED OXYGEN: August 2019 to current year. SPECIFIC CONDUCTANCE: August 2019 to current year.
INSTRUMENTATION1.--A continuous water-quality monitor with water temperature, and dissolved oxygen provides 15-minute-interval readings.
REMARKS1.--Water temperature is affected by release of water from upstream reservoir.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 22.4 °C, Aug. 4, 2020, Sept. 1, 2021; minimum, 1.1 °C, Feb. 25, 2022. DISSOLVED OXYGEN: Maximum, 13.9 mg/L, Jan. 31, 2023; minimum, 3.8 mg/L, Aug. 27, 2019. SPECIFIC CONDUCTANCE: Maximum, 349 uS/cm at 25 °C, Mar. 26, 2021; minimum, 67 uS/cm at 25 °C, Sept. 1, 2021. 
1 Water-Quality Records
> Rating Information
This station managed by the NY Water Science Center Milford.

Available Parameters Available Period
  
2019-08-08  2024-04-24
2019-08-01  2024-04-24
2019-08-01  2024-04-24
2019-08-08  2024-04-24
2019-08-08  2024-04-24







 (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: 10.5 04-24-2024   20:15 EST
Graph of  Temperature, water, degrees Celsius

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

Most recent instantaneous value: 111 04-24-2024   20:15 EST
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 11.3 04-24-2024   20:15 EST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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