Water Quality in JOHNSTON, Iowa
2
Water Systems
25,233
People Served
1
Grade A-B
5
Recent Violations
0
Health Alerts
Water Systems Serving JOHNSTON
Common Contaminants in JOHNSTON Water
Nitrate1 violation
Contaminant 10321 violation
Contaminant 29901 violation
Contaminant 29821 violation
Contaminant 29681 violation
Tetrachloroethylene (PCE)1 violation
Contaminant 29801 violation
Vinyl Chloride1 violation
Contaminant 29771 violation
Contaminant 29791 violation