Drinking Water Systems in NICHOLS HILLS, Oklahoma
1 water system are reported for this city, with a combined service population of 4,020. The systems have 42 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving NICHOLS HILLS
EPA Contaminant Categories in Historical Violation Records
Arsenic3 records
Uranium2 records
Methoxychlor2 records
Dalapon2 records
Di(2-ethylhexyl) phthalate2 records
Picloram2 records
Pentachlorophenol2 records
Chlordane2 records
Antimony2 records
Toxaphene2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.