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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
350735089593300 Sh:P-076
Mississippi embayment aquifer system
Memphis Sand
Memphis Sand
LOCATION - Lat 35°07'35", long 89°59'32" referenced to North American Datum of 1927, Shelby County, TN, Hydrologic Unit 08010210, at Central Avenue and Tanglewood Street, at Memphis. Owner: Memphis Light, Gas and Water Division, City of Memphis.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 488 ft. Upper casing diameter 12 in; top of first opening 428 ft, bottom of last opening 488 ft. Drilled unused artesian well.
DATUM - Land-surface datum is 286.7 ft above National Geodetic Vertical Datum of 1929. Measuring point: Notch in top of casing, 1.3 ft above land-surface datum, Apr. 1, 1908 to present.
Land Surface Datum of gage is 285.23 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to January 17, 2025, the Land Surface Datum of Well was 286.70 ft NGVD of 1929.
PERIOD OF RECORD - October 1928 to current year. Analog record October 1928 to July 1976, analog to digital (ADR) record July 1976 to September 1997, period tape measurements September 1997 to May 2006, digital record May 2006 to current year.
GAGE - Periodic measurements by USGS personnel and data collection platform--60-minute interval.
REMARKS - Water levels affected by pumping for municipal and industrial water supply in the Memphis area.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 58.65 ft below land-surface datum, Apr. 3, 1933; lowest recorded, 147.31 ft below land-surface datum, June 30, 1988.
