Drinking Water Systems in HOLLISTER, Oklahoma
1 water system are reported for this city, with a combined service population of 60. The systems have 6 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving HOLLISTER
EPA Contaminant Categories in Historical Violation Records
Total Trihalomethanes (TTHMs)26 records
Haloacetic Acids (HAA5)21 records
Public Notice20 records
Lead and Copper Rule19 records
Coliform (TCR)9 records
Consumer Confidence Rule7 records
LEAD AND COPPER RULE REVISIONS2 records
Antimony2 records
Uranium1 record
Total Coliform1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.