Copper, Free violations in California
1 active public water systems in California had a Copper, Free violation in the past three years, 1 of them still unresolved. What Copper, Free is and why it matters.
Systems with a Copper, Free violation
Unresolved first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Cazadero Water Company, Inc. (puc) Sonoma County |
525 | 3 | 2 |
About this data
A system is counted once if any of its violations in the past three years involved Copper, Free, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Copper, Free alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The California records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.