ROHNERT PARK, CA · Sonoma County
SONOMA STATE UNIVERSITY Water System
Consumer Confidence Report status
SONOMA STATE UNIVERSITY 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 SONOMA STATE UNIVERSITY.
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)
- CA4910027
- System type
- Community Water System
- Population served
- 10,986
- Service connections
- 93
- Ownership
- state government
- Water source
- groundwater (wells)
SONOMA STATE UNIVERSITY is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 10,986 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 1987 and 1989, all of which EPA lists as closed. Nothing has been added since 1989.
None of the 3 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Miscellaneous Other Rules.
Violation history
Notification, Public
—No contaminant on record
August 1, 1989 – August 31, 1989
ArchivedNotification, Public
—No contaminant on record
February 1, 1989 – February 28, 1989
ArchivedNotification, Public
—No contaminant on record
June 1, 1987 – June 30, 1987
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 1989 – August 31, 1989 | Notification, Public | — | — | Archived |
| February 1, 1989 – February 28, 1989 | Notification, Public | — | — | Archived |
| June 1, 1987 – June 30, 1987 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- June 30, 2002State Compliance achieved9 linked violations
- November 1, 2000State Administrative/Compliance Order without penalty issued3 linked violations
Common questions
Is SONOMA STATE UNIVERSITY required to publish a Consumer Confidence Report?
- Yes. SONOMA STATE UNIVERSITY 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 SONOMA STATE UNIVERSITY’s next Consumer Confidence Report due?
- SONOMA STATE UNIVERSITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SONOMA STATE UNIVERSITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SONOMA STATE UNIVERSITY.
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
BRUNETTA, MISSY
707-664-3408
ROHNERT PARK, CA 94928