SANTA ROSA, CA · Sonoma County
SANTA ROSA, CITY OF Water System
Consumer Confidence Report status
SANTA ROSA, CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SANTA ROSA, CITY OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA4910009
- System type
- Community Water System
- Population served
- 175,396
- Service connections
- 54,167
- Ownership
- local government
- Water source
- groundwater (wells)
SANTA ROSA, CITY OF is one of 92 community water systems in California in the more than 100,000 people size category, serving 175,396 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is SANTA ROSA, CITY OF required to publish a Consumer Confidence Report?
- Yes. SANTA ROSA, CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SANTA ROSA, CITY OF’s next Consumer Confidence Report due?
- SANTA ROSA, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SANTA ROSA, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SANTA ROSA, CITY OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
LLAMAS, TONY
707-543-3975
SANTA ROSA, CA 95401