USGS Water-Year Summary for Site 05346050

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	Available Parameters
	00045 Precipitation(Sum)
	00065 Gage height(Mean)
	62615 Elevation, lake/res, NAVD88(Mean)
	72019 Water level, depth LSD(Mean)

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

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USGS Water-Year Summary 2023

05346050 CLEAR LAKE, EAST SIDE, AT PRAIRIE ISLAND, MN

LOCATION - Lat 44°39'08.8", long 92°42'36.9" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 NE 1/4 sec.15, T.102 N., R.18 W., Goodhue County, MN, Hydrologic Unit 07040001, on east bank of Clear Lake and 0.9 miles above lake output to Vermillion River.

SURFACE-WATER RECORDS

PERIOD OF RECORD -

Lake elevation (water level, ft. NAVD88) were recorded quarter hourly from 29 July 1998 at 00:00 CDT to 17 Apr. 2014 at 00:45 CDT. Water level (water level, ft. below LSD) and lake elevation (water level, ft. NAVD88) were recorded hourly from 01 Nov. 2018 at 16:00 CDT to the present, except during the following periods:

07 Jan. 2013 at 23:45 CST - 30 Apr. 2013 at 14:45 CDT: due to failed equipment at gage house equipment.

02 Jul. 2013 at 23:45 CDT - 30 Jul. 2013 at 00:00 CDT: due to failed equipment at gage house equipment.

30 Jul. 2013 at 23:45 CDT - 08 Sept. 2013 at 00:00 CDT: due to failed equipment at gage house equipment.

Intermittently 08 Sept. 2013 - 18 Nov. 2013 at 00:00 CDT: due to failed equipment at gage house equipment.

18 Nov. 2013 at 00:45 CDT - 01 Mar. 2017 at 00:00 CST: due to failed equipment at gage house equipment.

18 Apr. 2014 at 00:45 CDT - 01 Nov. 2018 at 15:00 CDT: due to failed equipment at gage house equipment.

GAGE -

Current Gage:

Lake level is measured with an OTT Orpheus Mini submersible pressure transducer, which is hanging in a stilling well. All water level, water temperature, and battery voltage data are currently recorded hourly by the same OTT Orpheus Mini submersible pressure transducer. The gage is powered by 3-AA alkaline batteries and is not telemetered. Data are downloaded manually.

Old Gage:

A Sutron Satlink2 data collection platform, Design Analysis H-350 pressure transducer, and H-355 gas-purge system were housed in a 2 ft. x 1.5 ft. x 6 ft. Hoffman look-in type shelter. Instruments were powered by a deep-cycle marine battery charged by a 1.2 ampere solar panel and a Sunsaver power regulator. Solar panel, satellite transmitter antenna and rain gage were attached to side of shelter on a 10 ft. mast. Data were measured at 30-minute intervals and transmitted via GOES satellite at 4-hour intervals. This gage was discontinued on 01 Nov. 2018.

COOPERATION - The Clear Lake Gage is operated by the U.S. Geological Survey in cooperation with the Prairie Island Indian Community. This site is part of a network of monitoring wells and lake gages; used to collect water quality and water quantity data for the Prairie Island Indian Community.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Lake water temperatures were recorded hourly from 01 Nov. 2018 at 14:00 CDT to the present.

INSTRUMENTATION - Lake water temperatures during 01 Nov. 2018 at 14:00 CDT to the present are measured with OTT Orpheus Mini submersible pressure transducer, which are accurate to plus-or-minus 1.0°C. Differences in temperature are accurate to 0.1°C.