Drinking Water Systems in RIO GRANDE, Texas

1 water system are reported for this city, with a combined service population of 18,912. The systems have 4 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving RIO GRANDE

EPA Contaminant Categories in Historical Violation Records

Interim Enhanced Surface Water Treatment Rule3 records
Total Trihalomethanes (TTHMs)2 records
Coliform (TCR)2 records
Consumer Confidence Rule2 records
Aldicarb sulfone2 records
Aldicarb2 records
2,4-D2 records
Dinoseb1 record
OXAMYL1 record
Dalapon1 record

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