OCEANO, CA · San Luis Obispo County

OCEANO COMM SERVICES DIST. Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): CA4010005
System type: Community Water System
Population served: 7,601
Service connections: 2,249
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2021 – July 31, 2021
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Nitrate
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Selenium
December 1, 2010 – December 31, 2010
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2021 – July 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Regular	Selenium	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 13, 2024State Administrative/Compliance Order without penalty issued5 linked violations
August 1, 2012State Compliance achieved6 linked violations
February 7, 2011State Administrative/Compliance Order without penalty issued9 linked violations
January 31, 2011State Compliance achieved10 linked violations

Contact

MARRACCINO, TONY

805-481-6730

OCEANO, CA 93445