Public water system record
Loch Lomond Mutual Water Co
Serves an area of Lake County, CA · 693 people served
Federal records show 1 health-based violation and 4 monitoring/reporting issues for Loch Lomond Mutual Water Co in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Loch Lomond Mutual Water Co draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, August 2020.
- Record on file since 1980, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 210 service lines.
Check whether Loch Lomond 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2007 | Resolved |
Full record since 1980
EPA's records for Loch Lomond Mutual Water Co go back to 1980. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 3 |
| 1990s | 0 | 1 |
| 2000s | 0 | 5 |
| 2010 to October 18, 2016 | 1 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2010, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2010 | Resolved |
Enforcement actions
California regulators took 8 formal enforcement actions against Loch Lomond Mutual Water Co between 2005 and 2020. The most recent was a compliance order (no penalty) in August 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 13, 2020 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Dec 21, 2010 | California | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Sep 23, 2010 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jul 1, 2010 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Dec 22, 2008 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Nov 6, 2008 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Nov 19, 2007 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Apr 18, 2005 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Loch Lomond Mutual Water Co draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Loch Lomond 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.
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