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Water-Year Summary for Site 292628099401401

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Available Parameters
72019 Water level, depth L(Mean)  

Water year 2024: 2023-10-01 to 2024-09-30
 
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USGS Water-Year Summary 2024
292628099401401 YP-69-35-602
Edwards-Trinity aquifer system
Edwards and Associated Limestones
LOCATION - Lat 29°26'45", long 99°39'52" referenced to North American Datum of 1927, Uvalde County, TX, Hydrologic Unit 12110106,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 237 ft. Upper casing diameter 7 in; top of first opening 57 ft, bottom of last opening 237 ft.
DATUM - Land-surface datum is 1,150.4 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.0 ft above land-surface datum, Sep. 9, 1957 to Sep. 10, 1957; Hole in top of steel plate cap, 0.62 ft above land-surface datum, Jan. 29, 1992 to Nov. 24, 2008; unknown, 0.25 ft above land-surface datum, Nov. 24, 2008 to Dec. 13, 2011; Top of casing, 0.36 ft above land-surface datum, Dec. 13, 2011 to present.

Land-surface Datum of gage is 1150.400 ft. above NAVD of 1988. The NAVD of 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000). (GEOID18) by USGS on February 25,2025 and tied to RM1. Prior to February 25, 2025, the datum of gage was 1170.080 ft. above Measuring point: Top of casing, 1.0 ft above land-surface datum, Sep. 9, 1957 to Sep. 10, 1957; Hole in top of steel plate cap, 0.62 ft above land-surface datum, Jan. 29, 1992 to Nov. 24, 2008; unknown, 0.25 ft above land-surface datum, Nov. 24, 2008 to Dec. 13, 2011; Top of casing, 0.36 ft above land-surface datum, Dec. 13, 2011 to present.  

WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 237 ft. Upper casing diameter 7 in; top of first opening 57 ft, bottom of last opening 237 ft.
DATUM - Land-surface datum is 1,150.4 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.0 ft above land-surface datum, Sep. 9, 1957 to Sep. 10, 1957; Hole in top of steel plate cap, 0.62 ft above land-surface datum, Jan. 29, 1992 to Nov. 24, 2008; unknown, 0.25 ft above land-surface datum, Nov. 24, 2008 to Dec. 13, 2011; Top of casing, 0.36 ft above land-surface datum, Dec. 13, 2011 to present.

Land-surface Datum of gage is 1150.400 ft. above NAVD of 1988. The NAVD of 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000). (GEOID18) by USGS on February 25,2025 and tied to RM1. Prior to February 25, 2025, the datum of gage was 1170.080 ft. above Measuring point: Top of casing, 1.0 ft above land-surface datum, Sep. 9, 1957 to Sep. 10, 1957; Hole in top of steel plate cap, 0.62 ft above land-surface datum, Jan. 29, 1992 to Nov. 24, 2008; unknown, 0.25 ft above land-surface datum, Nov. 24, 2008 to Dec. 13, 2011; Top of casing, 0.36 ft above land-surface datum, Dec. 13, 2011 to present.  

PERIOD OF RECORD - CHEMICAL DATA: Sept. 1957, June 1988, Sept. 1999 to current year. PESTICIDE DATA: June 1988, Sept. 1999 to current year. RADIOCHEMICAL DATA: Sept. 1999 to current year.