Drinking Water Systems in SAN LUIS, Colorado
4 water systems are reported for this city, with a combined service population of 1,275. The systems have 9 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving SAN LUIS
SAN ACACIO DOMESTIC WA
40 served44 historical records7 recent
D
COSTILLA COUNTY WS
561 served24 historical records
A
VIEJO SAN ACACIO
45 served1 historical record
A
SAN LUIS WSD
629 served3 historical records2 recent
B
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)5 records
Chlorine5 records
Public Notice3 records
Gross Alpha3 records
OXAMYL2 records
Di(2-ethylhexyl) phthalate2 records
Haloacetic Acids (HAA5)2 records
Revised Total Coliform Rule2 records
Trichloroethylene (TCE)2 records
trans-1,2-Dichloroethylene2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.