Public water system record
Quiet Oaks Mobile Home Park
Serves an area of San Diego County, CA · 120 people served
Federal records show 37 health-based violations and no monitoring/reporting issues for Quiet Oaks Mobile Home Park in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
Source water
Groundwater
ZIP
95209
EPA system ID
CA3701341
- Health-based violations, last 10 years
- 37
- Resolved
- 37
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- Quiet Oaks Mobile Home Park draws water from 1 well.
- Highest measured level in the last 10 years: Nitrate, 18 mg/L, federal limit 10 mg/L (1.8 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by California, November 2018.
- Record on file since 1980, with 28 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 46 service lines.
Check whether Quiet Oaks Mobile Home Park 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 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jan 1, 2025 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 16 mg/L, federal limit 10 mg/L (1.6 times the limit)
|
330 | Oct 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Jul 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2024 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jul 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Apr 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jan 1, 2023 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 18 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
330 | Jul 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jan 1, 2022 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2021 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Jul 1, 2021 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2021 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Jan 1, 2021 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
330 | Oct 1, 2020 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 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, 2020 | Resolved | Yes |
|
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 | Oct 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Jul 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | May 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Apr 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Mar 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 15 mg/L, federal limit 10 mg/L (1.5 times the limit)
|
330 | Feb 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jan 1, 2019 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
330 | Sep 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 10 mg/L, federal limit 10 mg/L (at or just above the limit)
|
330 | Aug 1, 2018 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jul 1, 2018 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Apr 1, 2018 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jan 1, 2018 | Resolved | Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Oct 1, 2017 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 10.1 mg/L, federal limit 10 mg/L (at or just above the limit)
|
330 | Jul 1, 2017 | Resolved | Yes |
|
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Oct 1, 2016 | Resolved | Yes |
Full record since 1980
EPA's records for Quiet Oaks Mobile Home Park go back to 1980. Before October 19, 2016 they list 28 health-based violations (23 resolved, 5 archived by EPA without a recorded fix) and 36 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 5 | 8 |
| 1990s | 0 | 1 |
| 2000s | 0 | 20 |
| 2010 to October 18, 2016 | 23 | 7 |
| October 19, 2016 to 2019 | 16 | 0 |
| 2020s | 20 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began October 2016, Resolved.
Show all 28 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
Oct 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jul 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 15 mg/L, federal limit 10 mg/L (1.5 times the limit)
|
Apr 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 14 mg/L, federal limit 10 mg/L (1.4 times the limit)
|
Jan 1, 2016 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Apr 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Apr 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Mar 1, 2014 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Oct 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Aug 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jul 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
May 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Mar 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Feb 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
Jan 1, 2013 | Resolved |
|
Nitrate-Nitrite (acute)
Contaminant limit exceeded
|
May 1, 2011 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 1984 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1984 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Mar 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Feb 1, 1983 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 1, 1983 | Archived |
Enforcement actions
California regulators took 44 formal enforcement actions against Quiet Oaks Mobile Home Park between 2005 and 2018, filed as 47 records in EPA's data. The most recent was a compliance order (no penalty) in November 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 5, 2018 | California | Compliance order (no penalty) | 18 violations (18 health-based): Nitrate-Nitrite, Nitrate |
| Jul 1, 2018 | California | Compliance order (no penalty) | 15 violations (15 health-based): Nitrate |
| Jun 8, 2017 | California | Compliance order (no penalty) | 10 violations (10 health-based): Nitrate |
| Feb 5, 2015 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Jan 1, 2015 | California | Compliance order (no penalty) | 9 violations (9 health-based): Nitrate |
| Nov 14, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Sep 10, 2014 | California | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate |
| Aug 12, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Jun 30, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
| Mar 15, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Oct 18, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Oct 15, 2013 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Aug 15, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Aug 14, 2013 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jul 19, 2013 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jul 15, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| May 15, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Mar 15, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Mar 11, 2013 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Feb 15, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Jan 15, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Mar 13, 2012 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Feb 15, 2012 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jun 6, 2011 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Apr 15, 2011 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Sep 11, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Aug 11, 2009 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Jun 12, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| May 12, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Apr 24, 2009 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Apr 14, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Mar 11, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jan 14, 2009 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Dec 11, 2008 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Aug 11, 2008 | California | Compliance order (no penalty) | 2 violations: Total Coliform, Consumer Confidence Rule |
| Jan 11, 2008 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Mar 13, 2007 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Oct 10, 2005 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jul 27, 2005 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Jun 20, 2005 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| May 16, 2005 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Apr 7, 2005 | California | Compliance order (no penalty) | 1 violation: Nitrate-Nitrite |
| Mar 2, 2005 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Feb 16, 2005 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
What the violations mean
Nitrate
34 incidentsNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Nitrate-Nitrite
3 incidentsTest results for Nitrate-Nitrite were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Quiet Oaks Mobile Home Park draws water from 1 well.
Annual water quality report
Quiet Oaks Mobile Home Park 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 Quiet Oaks Mobile Home Park 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