Every year, Texas's almost 15,000 water systems are required to report their quality data. The state publishes these as over 225,000 individual Word documents spanning 15 years, buried behind a search form that only shows one system at a time.
We've extracted that raw data and put it all in one place. In these reports, you will find staggering numbers—from industrial runoff to radioactive isotopes—recorded at levels tens or even hundreds of times beyond federal safety limits.
Many systems don't publish a physical address. Where possible we've located them by name; where not, their pin is placed at the approximate county center.
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systems mapped
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with violations
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people affected
No violations
Past violations
Recent violations
Data Corrections
Auditing raw state records for errors
We preserve the "Violation" signal but remove impossible spikes (like unit errors) that would skew statewide comparisons.
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This is the compiled dataset from our TCEQ water quality scraping pipeline — every contaminant, every violation, across ~15 years of Texas public records.