GOVERNMENT RECORD
City of San Luis TTHM Drinking-Water Notice, August 27, 2026
About this source
Official City of San Luis public notice describing the water system's second-quarter 2026 TTHM exceedance, the locational running annual averages, follow-up sampling, and planned water-main looping work.
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- Government record
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- Primary source
- Source date
Relevant excerpt / notes
The City reported LRAAs of 0.089 mg/L and 0.088 mg/L against a 0.080 mg/L maximum contaminant level. The notice states that the incident was not an emergency and that additional samples were below the MCL at all four monitoring locations. Third-quarter results were still anticipated in the notice.
Related articles 1
- ExplainerSan Luis Exceeded a Federal Drinking-Water Standard. Here’s What That Actually Means.
The City of San Luis reported two TTHM locational running annual averages above the federal standard, while saying the incident was not an emergency and that additional samples were below the limit.