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Public water system record

Oak Heights W & R Co Inc

Serves Prunedale, Monterey County, CA · 105 people served

Federal records show 15 health-based violations and no monitoring/reporting issues for Oak Heights W & R Co Inc in the last ten years. The most serious issue in this window was a Nitrate violation that EPA lists as archived, not resolved.

  • CA2700665
  • SALINAS
  • CA
  • 105 served

System profile

Source water Groundwater
ZIP 93907
EPA system ID CA2700665

Verify this system on EPA ECHO →

Health-based violations, last 10 years
15
Resolved
0
Unresolved
0
Archived by EPA
15
Any acute record
Yes
Monitoring issues, last 10 years
0

Key facts

  • Oak Heights W & R Co Inc draws water from 3 wells.
  • Highest measured level in the last 10 years: Nitrate, 12 mg/L, federal limit 10 mg/L (1.2 times the limit), 2024.
  • Most recent formal enforcement: compliance order (no penalty) by California, March 2021.
  • Record on file since 1980, with 11 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 32 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
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
 330 Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
 330 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 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.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
 330 Apr 1, 2020 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
 330 Jan 1, 2020 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes
Nitrate
Contaminant limit exceeded
Measured 11 mg/L, federal limit 10 mg/L (1.1 times the limit)
 330 Oct 1, 2019 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes

Full record since 1980

EPA's records for Oak Heights W & R Co Inc go back to 1980. Before October 19, 2016 they list 11 health-based violations (11 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 2
1990s 0 1
2000s 1 7
2010 to October 18, 2016 10 1
October 19, 2016 to 2019 1 0
2020s 14 0

Most recent health-based violation before October 19, 2016: Nitrate-Nitrite (acute), began July 2015, Archived.

Show all 11 health-based violations before October 19, 2016
Contaminant Start date Status
Nitrate-Nitrite (acute)
Contaminant limit exceeded
 Jul 1, 2015 Archived
Nitrate (acute)
Contaminant limit exceeded
 Jul 1, 2014 Archived
Nitrate (acute)
Contaminant limit exceeded
 Apr 1, 2014 Archived
Nitrate (acute)
Contaminant limit exceeded
 Jan 1, 2014 Archived
Nitrate (acute)
Contaminant limit exceeded
 Nov 1, 2013 Archived
Nitrate (acute)
Contaminant limit exceeded
 Oct 1, 2013 Archived
Nitrate (acute)
Contaminant limit exceeded
 Jan 1, 2013 Archived
Nitrate (acute)
Contaminant limit exceeded
 Oct 1, 2012 Archived
Nitrate (acute)
Contaminant limit exceeded
 Apr 1, 2011 Archived
Nitrate (acute)
Contaminant limit exceeded
 Oct 1, 2010 Archived
Nitrate (acute)
Contaminant limit exceeded
 Dec 1, 2006 Archived

Enforcement actions

California regulators took 2 formal enforcement actions against Oak Heights W & R Co Inc between 2008 and 2021. The most recent was a compliance order (no penalty) in March 2021.

Date By Action Violations covered
Mar 23, 2021 California Compliance order (no penalty) 15 violations (15 health-based): Nitrate
Mar 27, 2008 California Compliance order (no penalty) 11 violations (10 health-based): Nitrate, Nitrate-Nitrite

What the violations mean

Nitrate

15 incidents

Nitrate 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

Oak Heights W & R Co Inc draws water from 3 wells.

Annual water quality report

Oak Heights W & R Co Inc 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 Oak Heights W & R Co Inc 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