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Water-Year Summary for Site 351428085003600

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00045 Precipitation(Sum)  
72019 Water level, depth LSD(Max.,Min.,Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
351428085003600 Hm:O-015.
Valley and Ridge aquifers
Knox Dolomite
LOCATION - Lat 35°14'29.3", long 85°00'36.0" referenced to North American Datum of 1927, Hamilton County, TN, Hydrologic Unit 06020001, at Smith Road and State Highway 58, near Snow Hill, TN. Owner: Savannah Valley Utility District.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 262 ft. Upper casing diameter 10 in; top of first opening 50 ft, bottom of last opening 262 ft. Drilled artesian test well, diameter 10 in., depth 262 ft., cased to 50 ft. with steel casing, open hole below casing.
DATUM - Land-surface datum is 743.28 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP ACTUALLY ~1.6' ALS, BUT 5.66' VALUE HAS BEEN IN PLACE SINCE 1994, SO LEFT IT AS CURRENT MP, 5.66 ft above land-surface datum, Sep. 2, 2008 to present. Elevation of land-surface datum is 743.28 ft above NGVD of 1929, from levels. Measuring point: Instrument shelf, 5.66 ft above land-surface datum.
PERIOD OF RECORD - May 1975 to current year.
GAGE - Water-level recorder -- 60-min. recording interval, Aug. 5, 1974, until Dec. 19, 2007. Pressure transducer, tipping-bucket rain gage, electronic data logger, and cellular modem -- 60-min. recording interval, Dec. 19, 2007, to Jan. 3, 2013. Pressure transducer, tipping bucket rain gage, and data collection platform -- 30-min recording interval, Jan. 3, 2013, to current year.
REMARKS - Records good. Water levels in well heavily influenced by pumpage from nearby wells. Negative values indicate water levels above land surface.
EXTREMES FOR PERIOD OF RECORD - Highest water level, -3.47 ft. above land-surface datum, April 23, 2017; lowest, 32.55 ft. below land-surface datum, Nov. 20, 2007.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Dec. 20, 2007, to current year.
INSTRUMENTATION - A tower-mounted 8-in. diameter tipping-bucket rain gage, collection funnel is 6 ft. above ground and is not equipped with a heater or wind shield.
REMARKS - Precipitation data collected during freezing periods may not accurately reflect daily record.