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Public water system record

Camp Loma Mar

Serves an area of San Mateo County, CA · 208 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Camp Loma Mar in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • CA4100529
  • OAKLAND
  • CA
  • 208 served

System profile

Source water Surface water
ZIP 94612
EPA system ID CA4100529

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Camp Loma Mar draws water from 1 surface water intake.
  • Most recent formal enforcement: compliance order (no penalty) by California, May 2025.
  • Record on file since 1982, with 9 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 19 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
Surface Water Treatment Rule
Treatment technique failure
 120 Sep 1, 2023 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2015 Resolved

Full record since 1982

EPA's records for Camp Loma Mar go back to 1982. Before October 19, 2016 they list 9 health-based violations (5 resolved, 4 archived by EPA without a recorded fix) and 36 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 24
1990s 1 2
2000s 3 8
2010 to October 18, 2016 5 2
2020s 1 1

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2012, Archived.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.148 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 Oct 1, 2012 Archived
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.148 mg/L, federal limit 0.06 mg/L (2.5 times the limit)
 Oct 1, 2012 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jul 1, 2012 Archived
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.06 mg/L (1.8 times the limit)
 Jul 1, 2012 Archived
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Jul 1, 2010 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 2003 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 2003 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 2002 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Feb 1, 1996 Resolved

Enforcement actions

California regulators took 4 formal enforcement actions against Camp Loma Mar between 2013 and 2025. The most recent was a compliance order (no penalty) in May 2025.

Date By Action Violations covered
May 29, 2025 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Oct 12, 2023 California Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Apr 24, 2018 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Jan 31, 2013 California Compliance order (no penalty) 4 violations (4 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)

What the violations mean

Surface Water Treatment Rule

1 incident

The 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

Camp Loma Mar draws water from 1 surface water intake.

Annual water quality report

Camp Loma Mar 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 Camp Loma Mar 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