USGS Water-Year Summary for Site 293516098325501

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	Available Parameters
	00010 Temperature, water(Mean,Med.)
	00095 Specific cond at 25C(Mean,Med.)
	00300 Dissolved oxygen(Mean,Med.)
	00400 pH(Med.)
	63680 Turbidity, Form Neph(Min.,Max.,Mean,Med.)
	72019 Water level, depth LSD(Mean,Med.)
	99133 NO3+NO2,water,insitu(Min.,Max.,Mean,Med.)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

293516098325501 AY-68-28-211

Edwards-Trinity aquifer system
Edwards and Associated Limestones

LOCATION - Lat 29°35'16", long 98°32'55" referenced to North American Datum of 1983, Bexar County, TX, Hydrologic Unit 12100301,

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 300 ft. Upper casing diameter 4.5 in; top of first opening 220 ft, bottom of last opening 300 ft.

DATUM - Land-surface datum is 975 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of casing, 2.64 ft above land-surface datum, Nov. 24, 2008 to present; Top 0f casing, 2.50 ft above land-surface datum, Dec. 8, 2011 to present.

WATER-QUALITY RECORDS

WELL CHARACTERISTICS - Depth 300 ft. Upper casing diameter 4.5 in; top of first opening 220 ft, bottom of last opening 300 ft.

PERIOD OF RECORD - CHEMICAL DATA: Nov. 1998 to current year. PESTICIDE DATA: Nov. 1998 to current year. RADIOCHEMICAL DATA: Nov. 1998 to current year.

REMARKS - National Water-Quality Assessment Program (NAWQA) - San Antonio Land Use Study (LUS). This site is scheduled for routine water-quality sample collection. Interruptions in the record may be due to malfunctions of the instrument, no flow conditions, or data corrections exceeding allowable criteria, which were deleted. Other than no flow conditions, minimum and maximum extremes may have occurred during period of missing record.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum, 698 micro siemens/cm, Feb 21, 2019; minimum, 548 micro siemens/cm, Dec 7, 2018. pH: Maximum, 7.2 standard units, Oct 10, 2018; minimum, 6.8 standard units, May 11, 2019. WATER TEMPERATURE: Maximum, 22.9 °C, Feb 4, 2019; minimum, 21.9°C, Multiple occurrences March-July, Dec. 19 2014, Nov. 06-07, March 10, April 13, 2016, Feb 7, 2019. DISSOLVED OXYGEN: Maximum, 8.0 mg/L, Aug. 20,26, 2014; minimum, 1.1 mg/L, Sept. 22-23, 2014.