USGS Water-Year Summary for Site 03275500

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	Available Parameters
	00010 Temperature, water(Min.,Mean,Max.)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Mean,Max.,Min.)
	00300 Dissolved oxygen(Min.,Max.,Mean)
	00400 pH(Med.,Min.,Max.)
	51289 OrthoPO4, in situ(Min.,Max.,Mean)
	63680 Turbidity, Form Neph(Min.,Max.,Mean)
	99133 NO3+NO2,water,insitu(Max.,Mean,Min.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

03275500 EAST FORK WHITEWATER RIVER AT RICHMOND, IN

LOCATION - Lat 39°48'24", long 84°54'26" referenced to North American Datum of 1927, Wayne County, IN, Hydrologic Unit 05080003, 0.4 mile upstream of sewage disposal plant for the City of Richmond, 2 miles upstream from Short Creek, on upstream side of bridge.

DRAINAGE AREA - 121 mi². Derived from "Drainage Areas of Indiana Streams" publication. (Hoggatt 1975).

REVISIONS HISTORY - Revisions were made to the specific conductance record from Oct. 20, 2017 to Mar. 21, 2021. During a routine data review, an unusual data pattern of erratic conductance readings typically occurring during events exceeding 2,200 cfs was discovered. These unusual data periods were sometimes removed and other times retained in the record. In 2023 it was determined that the erratic readings were a result of high flow causing bubbles and debris to become trapped in the sonde and wiper window of the SC sensor. All events were reviewed and any erratic data was removed and the period flagged as revised.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1949 to September 1978 and October 2017 to current year

GAGE - Water stage recorder. Datum of gage is 853.51 feet above the North American Vertical Datum of 1988.

REMARKS - Some regulation at low flow due to operation of Richmond Power and Light Company, upstream. Diversion-None known.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

Continuous Water Quality Period of Record

WATER TEMPERATURE: October 2017 to Current

SPECIFIC CONDUCTANCE: October 2017 to Current

pH: October 2017 to Current

DISSOLVED OXYGEN: October 2017 to Current

TURBIDITY: October 2017 to Current

NITRATE: November 2017 to Current

ORTHOPHOSPHATE: May 2018 to Current

EXTREMES FOR PERIOD OF RECORD -

WATER TEMPERATURE: Maximum: 28. 7degrees Celsius, August 08, 2022. Minimum: -0.2 degrees Celsius, January 23, 2021*.

SPECIFIC CONDUCTANCE: Maximum: 1480 microsiemens, January 08, 2018*. Minimum: 92 microsiemens, December 02, 2018*.

pH: Maximum: 9 units, March 28, 2019*. Minimum: 7.4 units, February 07, 2019*.

DISSOLVED OXYGEN: Maximum: 20.3 mg/L, January 09, 2018*. Minimum: 5.2 mg/L, July 11, 2018*.

TURBIDITY: Maximum: 1610 FNUs, December 31, 2018. Minimum: 0.0 FNUs, October 21, 2017*.

NITRATE: Maximum: 7.11 mg/l, June 08, 2018. Minimum: 0.11 mg/l, January 03, 2018.

ORTHOPHOSPHATE: Maximum: 0.326 mg/l, November 02, 2018. Minimum: 0.0003 mg/l, May 24, 2018.

*Multiple occurrences of the same extreme in selected dataset.