Drinking Water Systems in AJO, Arizona
5 water systems are reported for this city, with a combined service population of 6,314. The systems have 8 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving AJO
AJO DWID
405 served11 historical records1 recent
B
ARIZONA WATER CO - AJO
2,100 served2 historical records
A
AJO IMPROVEMENT COMPANY
2,654 served11 historical records2 recent
B
WHY DWID
400 served74 historical records5 recent
C
ORGAN PIPE NM HEADQUARTERS
755 served16 historical records
A
EPA Contaminant Categories in Historical Violation Records
Chlorine15 records
Arsenic12 records
Total Trihalomethanes (TTHMs)5 records
Revised Total Coliform Rule5 records
Fluoride5 records
Cadmium4 records
Nitrate4 records
Selenium4 records
Chromium4 records
Lead and Copper Rule3 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.