Public water system record
Redwood Heights Mutual Water Company
Serves an area of Sonoma County, CA · 30 people served
Federal records show 1 health-based violation and 8 monitoring/reporting issues for Redwood Heights Mutual Water Company in the last ten years, including an unresolved Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Redwood Heights Mutual Water Company draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, March 2022.
- Record on file since 1980, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 18 service lines.
Check whether Redwood Heights Mutual Water Company 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 |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 29, 2012 |
Active
Enforcement action in place
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Miscellaneous Other Rules
OTHER
|
Jan 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2011 | Resolved |
Full record since 1980
EPA's records for Redwood Heights Mutual Water Company go back to 1980. Before October 19, 2016 they list 5 health-based violations (4 resolved, 1 not resolved) and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 32 |
| 1990s | 2 | 4 |
| 2000s | 2 | 2 |
| 2010 to October 18, 2016 | 1 | 2 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began February 2012, Active.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 29, 2012 | Active |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2006 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1995 | Resolved |
Enforcement actions
California regulators took 11 formal enforcement actions against Redwood Heights Mutual Water Company between 2000 and 2022, filed as 12 records in EPA's data. The most recent was a compliance order (no penalty) in March 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 23, 2022 | California | Compliance order (no penalty) | 3 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Miscellaneous Other Rules |
| Dec 15, 2021 | California | Compliance order with a penalty | 1 violation (1 health-based): Surface Water Treatment Rule |
| Oct 23, 2020 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Feb 1, 2018 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Dec 18, 2017 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| May 16, 2014 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Aug 27, 2012 | California | Compliance order (no penalty) | 1 violation: Public Notice |
| Jul 11, 2008 | California | Compliance order (no penalty) | 1 violation: Atrazine |
| Mar 7, 2008 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jun 23, 2006 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| May 22, 2000 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
What the violations mean
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Redwood Heights Mutual Water Company draws water from 1 well.
Annual water quality report
Redwood Heights Mutual Water Company 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 Redwood Heights Mutual Water Company 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