San Antonio Basin GSA

November 19, 2025

The basin previewed a new quarterly groundwater trend monitoring approach using simplified visual reports tracking 8 key wells, intended to make it easier to understand trends. The Q3 2025 monitoring showed overall basin stability. The well metering ordinance implementation continues, with the April 1, 2026 meter reading start date approaching, while enforcement procedures are being developed for the small percentage of delinquent well registrations.

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October 22, 2025

The board clarified that existing flow meters can be calibrated through on-site field accuracy testing using ultrasonic reference meters rather than requiring removal and manufacturer testing. A third communication mailing to all landowners was approved for November, including updated calibration guidance and expanded service provider resources. The board also approved a $65,000 groundwater monitoring program for 2026 to continue quarterly well monitoring across 40 locations.

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