USGS Water-Year Summary 2024
294300098080001 DX-68-23-301 (Comal Springs 1)
Edwards-Trinity aquifer system
Edwards and Associated Limestones
LOCATION - Lat 29°42'46", long 98°08'15" referenced to North American Datum of 1983, Comal County, TX, Hydrologic Unit 12100202,
WATER-QUALITY RECORDS
DATUM - Land-surface datum is 623.1 ft above National Geodetic Vertical Datum of 1929. Measuring point: MEASURINGPOINT.
PERIOD OF RECORD - CHEMICAL DATA: Oct 1936 to current year. PESTICIDE DATA: Apr 1968 to current year. RADIOCHEMICAL DATA: Jun 1980 to Oct 2016
PERIOD OF DAILY RECORD - WATER TEMPERATURE: Jul 2013 to current year. SPECIFIC CONDUCTANCE: Nov 2013 to current year. PH: May 2014 to Sep 2019. DISSOLVED OXYGEN: MAY 2014 to current year
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum,600 microsiemens/cm, 01/09/15-01/15/15; minimum, 577 microsiemens/cm, Apr 4, 2018.
pH: Maximum, 7.6 standard units, 05/26/15, 06/12/15; minimum, 6.8 standard units, 05/03/2016-05/05/2015, 05/08/2016-05/09/2015, Sept 27, 2018.
WATER TEMPERATURE: Maximum, 23.7°C, March 19-April 11 20015; minimum, 23.2°C, 08/28/2015-08/30/2016, 09/19/2016.
DISSOLVED OXYGEN: Maximum, 5.8 mg/L, 12/18/2015-12/25/2015, 08/30/2016; minimum, 5.0 mg/L, 10/28/2014-11/01/2014.