Nitrate in California Drinking Water
353 public water systems in California have historical EPA violation records associated with nitrate in the Q2 2026 snapshot.
1,302
Historical Records in California
353
Systems With Records
About Nitrate
- EPA Limit
- 10000 ppb
- Category
- Inorganic
- Health Effects
- Blue baby syndrome in infants under six months
- Common Treatment Approaches
- Reverse osmosis, ion exchange
California Systems With the Most Nitrate Records
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.