SALINAS, CA · Monterey County
COLONIAL OAK WC INC Water System
Consumer Confidence Report status
COLONIAL OAK WC INC 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 COLONIAL OAK WC INC.
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)
- CA2700534
- System type
- Community Water System
- Population served
- 198
- Service connections
- 66
- Ownership
- privately owned
- Water source
- groundwater (wells)
COLONIAL OAK WC INC is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 198 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 1980 and 1981, all of which EPA lists as closed. Nothing has been added since 1981.
All 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 30, 1980 – October 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 8, 2023State Administrative/Compliance Order without penalty issued3 linked violations
- September 8, 2023State Public Notification requested3 linked violations
- August 31, 2015State Compliance achieved9 linked violations
- July 30, 2015State Compliance achieved1 linked violation
- July 22, 2015State Violation/Reminder Notice3 linked violations
- July 22, 2015State Public Notification requested3 linked violations
- July 1, 2015State Administrative/Compliance Order without penalty issued23 linked violations
- June 30, 2015State Compliance achieved2 linked violations
- May 30, 2015State Compliance achieved1 linked violation
- February 5, 2015State Public Notification requested1 linked violation
- February 5, 2015State Violation/Reminder Notice1 linked violation
- February 5, 2015State Violation/Reminder Notice1 linked violation
- November 14, 2014State Public Notification requested2 linked violations
- November 14, 2014State Public Notification received2 linked violations
- August 31, 2014State Compliance achieved1 linked violation
- August 31, 2012State Compliance achieved1 linked violation
- July 30, 2012State Compliance achieved1 linked violation
- July 26, 2012State Violation/Reminder Notice1 linked violation
- July 26, 2012State Public Notification requested1 linked violation
- July 22, 2012State Public Notification requested2 linked violations
- January 31, 2012State Compliance achieved1 linked violation
- December 30, 2011State Compliance achieved1 linked violation
- December 22, 2011State Public Notification requested3 linked violations
- December 9, 2011State Public Notification requested14 linked violations
- May 6, 2010State Violation/Reminder Notice1 linked violation
- October 30, 2007State Compliance achieved1 linked violation
- December 30, 2006State Compliance achieved1 linked violation
- December 15, 2006State Public Notification received2 linked violations
- December 15, 2006State Violation/Reminder Notice2 linked violations
- February 28, 2006State Compliance achieved1 linked violation
- February 16, 2006State Violation/Reminder Notice1 linked violation
- February 16, 2006State Public Notification requested4 linked violations
- August 31, 2005State Compliance achieved1 linked violation
- August 25, 2005State Violation/Reminder Notice1 linked violation
- June 22, 2005State Public Notification requested1 linked violation
- February 28, 2005State Compliance achieved2 linked violations
- January 12, 2005State Public Notification requested1 linked violation
- January 12, 2005State Violation/Reminder Notice1 linked violation
Common questions
Is COLONIAL OAK WC INC required to publish a Consumer Confidence Report?
- Yes. COLONIAL OAK WC INC 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 COLONIAL OAK WC INC’s next Consumer Confidence Report due?
- COLONIAL OAK WC INC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does COLONIAL OAK WC INC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for COLONIAL OAK WC INC.
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
VOCELKA, JIM
831-663-6644
SALINAS, CA 93907