PlainWater

Community Water System · PWS CA1210008

Garberville Sanitary District

Garberville, California 95542 - drinking water served from surface water sources to 2,041 people, tracked in EPA SDWIS and UCMR5.

2,041
People served
4
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 4 drinking-water violations at Garberville Sanitary District, 50% of them health-based - below the California per-system average.

4
Total EPA violations on record
50%
Health-based (MCL / treatment failure)
2,041
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Garberville Sanitary District

Garberville Sanitary District is a private-owned community water system that delivers drinking water to 2,041 residents in Garberville, California (Humboldt County) through 446 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 4 total violations for this system , of which 2 (50%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 2 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 2 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%).

Garberville Sanitary District's 4 violations sit below 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
2,041
Total Violations
4
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
446
County
Humboldt
School/Daycare
No
MCL Violations
0
Monitoring Violations
2
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 2 2019
Surface Water Treatment Rule TT 2 1993

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 Garberville Sanitary District.

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 CA1210008 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 Garberville Sanitary District 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
2019 Lead and Copper Rule MR 2 SDWIS / CA1210008 / 5000
1993 Surface Water Treatment Rule TT 2 SDWIS / CA1210008 / 0200

How Garberville Sanitary District Compares

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

Metric Garberville Sanitary District California avg Federal benchmark
Total violations 4 21.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 2,041 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 Garberville Sanitary District water safe to drink?
Garberville Sanitary District (PWS ID: CA1210008) has 4 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,041 people using Surface Water sources.
How many people does Garberville Sanitary District serve?
Garberville Sanitary District serves 2,041 people in Garberville, California. It is a Private-owned system using Surface Water water sources with 446 service connections.
What type of violations does Garberville Sanitary District have?
Garberville Sanitary District has 4 total violations: 2 health-based violations (MCL exceedances or treatment failures), 2 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Garberville Sanitary District water?
No PFAS testing data is available for Garberville Sanitary District under the EPA's UCMR5 monitoring program.
What water source does Garberville Sanitary District use?
Garberville Sanitary District 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.
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.