USGS Water-Year Summary for Site 292618099165901

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	Available Parameters
	00010 Temperature, water(Min.,Mean,Max.,Med.)
	00095 Specific cond at 25C(Min.,Mean,Max.,Med.)
	72019 Water level, depth LSD(Mean,Med.)
	99133 NO3+NO2,water,insitu(Max.,Min.,Mean,Med.)

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Water year 2024: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2024

292618099165901 TD-69-38-601 (Medina County Farm to Market Road 1796)

Edwards-Trinity aquifer system
Edwards and Associated Limestones

LOCATION - Lat 29°26'18", long 99°16'59" referenced to North American Datum of 1927, Medina County, TX, Hydrologic Unit 12110107,

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 538 ft. Upper casing diameter 7 in; top of first opening 74 ft, bottom of last opening 538 ft.

DATUM - Land-surface datum is 1,005.21 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 1.5 ft above land-surface datum, Jul. 8, 1957 to present. Datum of gage is 1005.214 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 27,2025 and tied to RM1. Prior to February 25, 2025, the datum of gage was 1005.210 ft. above mean seal level.

PERIOD OF RECORD - Jul. 1957 to Dec. 1994 (periodic measurements); DEPTH TO WATER, Feb. 2000 to Sep. 30, 2005 (discontinued), Aug. 2013 to present. WATER TEMPERATURE: Aug 2013 to Dec 2019; SPECIFIC CONDUCTANCE: Aug 2013 to Dec 2019; NITRATE + NITRITE: Jun 2014 to Dec 2018.

WATER-QUALITY RECORDS

WELL CHARACTERISTICS - Depth 538 ft. Upper casing diameter 7 in; top of first opening 74 ft, bottom of last opening 538 ft.

REMARKS - Interruptions or periods of missing record may be due to instrument failure or data corrections exceeding allowable criteria, which were deleted. Minimum and maximum extremes may have occurred during period of missing record.

EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 469 micro siemens/cm, Feb 10, 2018; minimum, 445 micro siemens/cm, Sept 26, 2018. WATER TEMPERATURE: Maximum, 22.5°C, June 03, 2014; minimum, 22.28°C, Mar 29, 30, 2018. NITRATE + NITRITE, insitu as N: Maximum, 1.19 mg/L, Sept 10, 2018; minimum,1.04 mg/L, Oct 30, 2018.