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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
440405096290501 107N47W16CCCC (FLANDEAU WELL)
Sand and gravel aquifers (glaciated regions)
Big Sioux Aquifer
Big Sioux Aquifer
LOCATION - Lat 44°04'05.01", long 96°29'05.00" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.16, T.107 N., R.47 W., Moody County, SD, Hydrologic Unit 10170203, 5.2 mi east of Flandreau and 1.1 mi north on 486 th Ave.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 30.4 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 1,588 ft above North American Vertical Datum of 1988. Measuring point: SDWR WATER LEVEL TAPE DATA, 3.0 ft above land-surface datum, Jun. 26, 1978 to present; SDWR WATER LEVEL TAPE DATA, 3.7 ft above land-surface datum, Jun. 26, 1978 to present; Top of casing, 3.3 ft above land-surface datum, Aug. 1, 2023 to present.
PERIOD OF RECORD - 2024-present.
GAGE - Water-stage recorder.
REMARKS - Record quality ratings may not be included in the water-year summary for approved records newer than Sept. 30, 2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-sd_NWISWEB_Data_Inquiries@usgs.gov. Satellite data-collection platform at station. Water levels affected by pumping of nearby wells.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.84 ft. below land-surface datum, June 21, 2024. Lowest water level, 11.33 ft. below land-surface datum, Feb. 2, 2024.
