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Public water system record

Resthaven Mobile Home Park

Serves an area of San Luis Obispo County, CA · 99 people served

Federal records show 20 health-based violations and no monitoring/reporting issues for Resthaven Mobile Home Park in the last ten years. The most serious issue in this window was a Selenium violation that EPA lists as archived, not resolved.

  • CA4000654
  • IRVINE
  • CA
  • 99 served

System profile

Source water Groundwater
ZIP 92612
EPA system ID CA4000654

Verify this system on EPA ECHO →

Health-based violations, last 10 years
20
Resolved
0
Unresolved
0
Archived by EPA
20
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Resthaven Mobile Home Park draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Selenium, 400 µg/L, federal limit 50 µg/L (8 times the limit), 2024.
  • Most recent formal enforcement: compliance order (no penalty) by California, January 2021.
  • Record on file since 1980, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 80 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Selenium
Contaminant limit exceeded
Measured 150 µg/L, federal limit 50 µg/L (3 times the limit)
 330 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 150 µg/L, federal limit 50 µg/L (3 times the limit)
 330 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 140 µg/L, federal limit 50 µg/L (2.8 times the limit)
 330 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 190 µg/L, federal limit 50 µg/L (3.8 times the limit)
 330 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 400 µg/L, federal limit 50 µg/L (8 times the limit)
 330 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 180 µg/L, federal limit 50 µg/L (3.6 times the limit)
 330 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 180 µg/L, federal limit 50 µg/L (3.6 times the limit)
 330 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 260 µg/L, federal limit 50 µg/L (5.2 times the limit)
 330 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 270 µg/L, federal limit 50 µg/L (5.4 times the limit)
 330 Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 270 µg/L, federal limit 50 µg/L (5.4 times the limit)
 330 Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 140 µg/L, federal limit 50 µg/L (2.8 times the limit)
 330 Apr 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
 330 Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 76 µg/L, federal limit 50 µg/L (1.5 times the limit)
 330 Oct 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 76 µg/L, federal limit 50 µg/L (1.5 times the limit)
 330 Jul 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 60 µg/L, federal limit 50 µg/L (1.2 times the limit)
 330 Apr 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 55 µg/L, federal limit 50 µg/L (1.1 times the limit)
 330 Jan 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 55 µg/L, federal limit 50 µg/L (1.1 times the limit)
 330 Oct 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 73 µg/L, federal limit 50 µg/L (1.5 times the limit)
 330 Jul 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 64 µg/L, federal limit 50 µg/L (1.3 times the limit)
 330 Apr 5, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Selenium
Contaminant limit exceeded
Measured 58 µg/L, federal limit 50 µg/L (1.2 times the limit)
 330 Oct 1, 2020 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No

Full record since 1980

EPA's records for Resthaven Mobile Home Park go back to 1980. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 2 3
2020s 20 0

Most recent health-based violation before October 19, 2016: Selenium, began May 1983, Archived.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Selenium
Contaminant limit exceeded
 May 1, 1983 Archived
Selenium
Contaminant limit exceeded
 Jun 1, 1980 Archived

Enforcement actions

California regulators took 1 formal enforcement action against Resthaven Mobile Home Park in 2021. The most recent was a compliance order (no penalty) in January 2021.

Date By Action Violations covered
Jan 27, 2021 California Compliance order (no penalty) 20 violations (20 health-based): Selenium

What the violations mean

Selenium

20 incidents

Test results for Selenium 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

Resthaven Mobile Home Park draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Resthaven 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 Resthaven 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