Drinking Water Systems in COSTILLA, New Mexico

1 water system are reported for this city, with a combined service population of 244. The systems have 17 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving COSTILLA

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule14 records
Public Notice13 records
Groundwater Rule12 records
Coliform (TCR)9 records
Revised Total Coliform Rule6 records
Chlorine3 records
Lead and Copper Rule2 records
Total Trihalomethanes (TTHMs)2 records
LEAD AND COPPER RULE REVISIONS2 records
Haloacetic Acids (HAA5)2 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.