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Community Water System · PWS CA4100529

Camp Loma Mar

Oakland, California 94612 - drinking water served from surface water sources to 208 people, tracked in EPA SDWIS and UCMR5.

208
People served
69
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 69 drinking-water violations at Camp Loma Mar, 20% of them health-based - above the California per-system average.

69
Total EPA violations on record
20%
Health-based (MCL / treatment failure)
208
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Camp Loma Mar

Camp Loma Mar is a private-owned community water system that delivers drinking water to 208 residents in Oakland, California (San Mateo County) through 21 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 69 total violations for this system , of which 14 (20%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 22 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate-Nitrite, recorded in 12 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%).

Camp Loma Mar's 69 violations sit above the California average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
208
Total Violations
69
Health-Based Violations
14
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
21
County
San Mateo
School/Daycare
No
MCL Violations
4
Monitoring Violations
22
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate-Nitrite MR 12 2009
Surface Water Treatment Rule TT 9 2023
Coliform (TCR) MR 7 2010
Lead and Copper Rule MR 3 2024
Total Haloacetic Acids (HAA5) MCL 2 2012
TTHM MCL 2 2012
Interim Enhanced Surface Water Treatment Rule TT 1 2010

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Camp Loma Mar.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CA4100529 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

California Drinking Water Authority

California State Water Resources Control Board, Division of Drinking Water is the primacy agency that licenses and inspects Camp Loma Mar under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board, Division of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Lead and Copper Rule MR 3 SDWIS / CA4100529 / 5000
2023 Surface Water Treatment Rule TT 9 SDWIS / CA4100529 / 0200
2012 Total Haloacetic Acids (HAA5) MCL 2 SDWIS / CA4100529 / 2456
2012 TTHM MCL 2 SDWIS / CA4100529 / 2950
2010 Coliform (TCR) MR 7 SDWIS / CA4100529 / 3100
2010 Interim Enhanced Surface Water Treatment Rule TT 1 SDWIS / CA4100529 / 0300
2009 Nitrate-Nitrite MR 12 SDWIS / CA4100529 / 1038

How Camp Loma Mar Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Camp Loma Mar California avg Federal benchmark
Total violations 69 21.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 8.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 64.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 208 5,850 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,249 regulated public water systems in California.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Camp Loma Mar water safe to drink? ▼
Camp Loma Mar (PWS ID: CA4100529) has 69 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 208 people using Surface Water sources.
How many people does Camp Loma Mar serve? ▼
Camp Loma Mar serves 208 people in Oakland, California. It is a Private-owned system using Surface Water water sources with 21 service connections.
What type of violations does Camp Loma Mar have? ▼
Camp Loma Mar has 69 total violations: 14 health-based violations (MCL exceedances or treatment failures), 22 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Camp Loma Mar water? ▼
No PFAS testing data is available for Camp Loma Mar under the EPA's UCMR5 monitoring program.
What water source does Camp Loma Mar use? ▼
Camp Loma Mar uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.