Public water system record
Lake of the Woods MWC
Serves Lake of the Woods, Kern County and Ventura County, CA · 779 people served
Federal records show 9 health-based violations and 2 monitoring/reporting issues for Lake of the Woods MWC in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
- Health-based violations, last 10 years
- 9
- Resolved
- 9
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 2
Key facts
- Lake of the Woods MWC draws water from 5 wells.
- Highest measured level in the last 10 years: Nitrate, 17 mg/L, federal limit 10 mg/L (1.7 times the limit), 2016.
- Most recent formal enforcement: compliance order (no penalty) by California, June 2020.
- Record on file since 1992, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 392 service lines.
Check whether Lake of the Woods MWC 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 |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2020 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Jan 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Oct 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
330 | Jul 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Apr 1, 2017 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Jan 1, 2017 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 17 mg/L, federal limit 10 mg/L (1.7 times the limit)
|
330 | Oct 1, 2016 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 1996 | Resolved |
Full record since 1992
EPA's records for Lake of the Woods MWC go back to 1992. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 13 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 9 |
| 2000s | 6 | 4 |
| 2010 to October 18, 2016 | 7 | 0 |
| October 19, 2016 to 2019 | 7 | 0 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began October 2016, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 17 mg/L, federal limit 10 mg/L (1.7 times the limit)
|
Oct 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 15 mg/L, federal limit 10 mg/L (1.5 times the limit)
|
Jul 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
Apr 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
|
Jan 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1998 | Resolved |
Enforcement actions
California regulators took 11 formal enforcement actions against Lake of the Woods MWC between 2000 and 2020. The most recent was a compliance order (no penalty) in June 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 22, 2020 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Dec 2, 2016 | California | Compliance order (no penalty) | 12 violations (12 health-based): Nitrate |
| Mar 14, 2016 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
| Oct 23, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Dec 6, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Aug 13, 2007 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Aug 16, 2006 | California | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
| Mar 24, 2006 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Sep 16, 2003 | California | Compliance order (no penalty) | 3 violations: Asbestos, Nitrite, Lead and Copper Rule |
| Aug 23, 2002 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 12, 2000 | California | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
What the violations mean
Nitrate
9 incidentsNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
Lake of the Woods MWC draws water from 5 wells.
Annual water quality report
Lake of the Woods MWC 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