Cyanide in Pennsylvania Drinking Water

640 public water systems in Pennsylvania have historical EPA violation records associated with cyanide in the Q2 2026 snapshot.

1,139

Historical Records in Pennsylvania

640

Systems With Records

About Cyanide

EPA Limit
200 ppb
Category
Inorganic
Health Effects
Nerve damage, thyroid problems
Common Treatment Approaches
Reverse osmosis, ion exchange

These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.