Public water system record
Laguna Negra Mutual Water Co.
Serves Callender, San Luis Obispo County, CA · 80 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Laguna Negra Mutual Water Co. 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
- 4
Key facts
- Laguna Negra Mutual Water Co. draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, January 2024.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 30 service lines.
Check whether Laguna Negra Mutual Water Co. 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 |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1980
EPA's records for Laguna Negra Mutual Water Co. go back to 1980. Before October 19, 2016 they list no health-based violations and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 2000s | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 2 |
Enforcement actions
California regulators took 4 formal enforcement actions against Laguna Negra Mutual Water Co. between 2018 and 2024. The most recent was a compliance order (no penalty) in January 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 29, 2024 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Dec 15, 2021 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Nov 6, 2018 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Mar 8, 2018 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
Laguna Negra Mutual Water Co. draws water from 2 wells.
Annual water quality report
Laguna Negra Mutual Water Co. 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Laguna Negra Mutual Water Co. for a copy.
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