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BEALE AIR FORCE BASE

PWS ID: CA5810700 · BEALE AFB, California 95903

BEALE AIR FORCE BASE serves 6,785 people in BEALE AFB, California using Groundwater water sources. It has 25 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BEALE AIR FORCE BASE

BEALE AIR FORCE BASE is a federal-owned community water system that delivers drinking water to 6,785 residents in BEALE AFB, California (Yuba County) through 810 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 25 total violations for this system , of which 10 (40%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 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 Coliform (TCR), recorded in 10 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. BEALE AIR FORCE BASE's 25 violations sit above 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
6,785
Total Violations
25
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
810
County
Yuba
School/Daycare
No
MCL Violations
10
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 2016
Nitrate MR 5 2001
Coliform (TCR) MR 2 2007
Revised Total Coliform Rule MON 2 2022
Lead and Copper Rule MR 2 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/1/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/1/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/1/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/1/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFEESA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 5/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 5/1/2023 <9 µg/L 9 µg/L Not Detected
PFPeS 5/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/1/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/1/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/1/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/1/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/1/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 11/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 11/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 11/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 11/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 11/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 11/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 11/8/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 11/8/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 11/8/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 11/8/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 11/8/2023 <0.003 µg/L 0.003 µg/L Not Detected

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 BEALE AIR FORCE BASE.

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 CA5810700 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 BEALE AIR FORCE BASE 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 2 SDWIS / CA5810700 / 5000
2022 Revised Total Coliform Rule MON 2 SDWIS / CA5810700 / 8000
2016 Coliform (TCR) MCL 10 SDWIS / CA5810700 / 3100
2007 Coliform (TCR) MR 2 SDWIS / CA5810700 / 3100
2001 Nitrate MR 5 SDWIS / CA5810700 / 1040

How BEALE AIR FORCE BASE Compares

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

Metric BEALE AIR FORCE BASE California avg Federal benchmark
Total violations 25 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 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 6,785 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 BEALE AIR FORCE BASE water safe to drink? ▼
BEALE AIR FORCE BASE (PWS ID: CA5810700) has 25 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 6,785 people using Groundwater sources.
How many people does BEALE AIR FORCE BASE serve? ▼
BEALE AIR FORCE BASE serves 6,785 people in BEALE AFB, California. It is a Federal-owned system using Groundwater water sources with 810 service connections.
What type of violations does BEALE AIR FORCE BASE have? ▼
BEALE AIR FORCE BASE has 25 total violations: 10 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BEALE AIR FORCE BASE water? ▼
No. BEALE AIR FORCE BASE was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does BEALE AIR FORCE BASE use? ▼
BEALE AIR FORCE BASE 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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

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