Public water system record
Los Osos Community Services District
Serves Los Osos, San Luis Obispo County, CA · 7,086 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Los Osos Community Services District in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Los Osos Community Services District draws water from 7 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, December 2019.
- Record on file since 1993, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 2,775 service lines.
Check whether Los Osos Community Services District serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
Full record since 1993
EPA's records for Los Osos Community Services District go back to 1993. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 1 |
Enforcement actions
California regulators took 1 formal enforcement action against Los Osos Community Services District in 2019. The most recent was a compliance order (no penalty) in December 2019.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 17, 2019 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
Los Osos Community Services District draws water from 7 wells. It also has an emergency connection to Golden State Water Company - Los Osos.
Emergency or part-time connections to
- Golden State Water Company - Los Osos Hawthorne, CA
Annual water quality report
Los Osos Community Services District must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells