Haloacetic Acids (HAA5) in Washington Drinking Water
342 public water systems in Washington have historical EPA violation records associated with haloacetic acids (haa5) in the Q2 2026 snapshot.
672
Historical Records in Washington
342
Systems With Records
About Haloacetic Acids (HAA5)
- EPA Limit
- 60 ppb
- Category
- Disinfection Byproducts
- Health Effects
- Increased cancer risk
- Common Treatment Approaches
- Activated carbon filters
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.