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AUBURN VALLEY COMMUNITY SERVICE DIS

PWS ID: CA3100011 · AUBURN, California 95604

AUBURN VALLEY COMMUNITY SERVICE DIS serves 290 people in AUBURN, California using Groundwater water sources. It has 11 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: AUBURN VALLEY COMMUNITY SERVICE DIS

AUBURN VALLEY COMMUNITY SERVICE DIS is a private-owned community water system that delivers drinking water to 290 residents in AUBURN, California (Placer County) through 143 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 11 total violations for this system , of which 11 (100%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 11 violations (MCL, health-based). 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. AUBURN VALLEY COMMUNITY SERVICE DIS's 11 violations sit below the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). 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
290
Total Violations
11
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
143
County
Placer
School/Daycare
No
MCL Violations
11
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 11 2013

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 AUBURN VALLEY COMMUNITY SERVICE DIS.

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 CA3100011 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 AUBURN VALLEY COMMUNITY SERVICE DIS 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
2013 Coliform (TCR) MCL 11 SDWIS / CA3100011 / 3100

How AUBURN VALLEY COMMUNITY SERVICE DIS Compares

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

Metric AUBURN VALLEY COMMUNITY SERVICE DIS California avg Federal benchmark
Total violations 11 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 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 290 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is AUBURN VALLEY COMMUNITY SERVICE DIS water safe to drink?
AUBURN VALLEY COMMUNITY SERVICE DIS (PWS ID: CA3100011) has 11 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 290 people using Groundwater sources.
How many people does AUBURN VALLEY COMMUNITY SERVICE DIS serve?
AUBURN VALLEY COMMUNITY SERVICE DIS serves 290 people in AUBURN, California. It is a Private-owned system using Groundwater water sources with 143 service connections.
What type of violations does AUBURN VALLEY COMMUNITY SERVICE DIS have?
AUBURN VALLEY COMMUNITY SERVICE DIS has 11 total violations: 11 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in AUBURN VALLEY COMMUNITY SERVICE DIS water?
No PFAS testing data is available for AUBURN VALLEY COMMUNITY SERVICE DIS under the EPA's UCMR5 monitoring program.
What water source does AUBURN VALLEY COMMUNITY SERVICE DIS use?
AUBURN VALLEY COMMUNITY SERVICE DIS uses Groundwater 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial