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FAIRCHILD AIR FORCE BASE

PWS ID: WA5324350 · Fairchild AFB, Washington 99011

FAIRCHILD AIR FORCE BASE serves 5,553 people in Fairchild AFB, Washington using Groundwater water sources. It has 10 recorded EPA violations, including 0 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (5 compounds found).

Water Quality Snapshot: FAIRCHILD AIR FORCE BASE

FAIRCHILD AIR FORCE BASE is a federal-owned community water system that delivers drinking water to 5,553 residents in Fairchild AFB, Washington (Spokane County) through 886 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 10 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 6 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 2 violations (Other). Under EPA's UCMR5 PFAS monitoring program, 5 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.017 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. FAIRCHILD AIR FORCE BASE's 10 violations sit below the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

5 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
5,553
Total Violations
10
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
886
County
Spokane
School/Daycare
No
MCL Violations
0
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 2 2014
Diquat MR 1 2008
Nitrate MR 1 2021
Gross Alpha, Excl. Radon and U MR 1 1979
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2008
ETHYLENE DIBROMIDE MR 1 2008
Lead and Copper Rule MR 1 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 8 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 7/22/2025 <9 µg/L 9 µg/L Not Detected
6:2 FTS 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/22/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/22/2025 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/22/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 7/22/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHxA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/22/2025 0.0036 µg/L 0.003 µg/L Detected
11Cl-PF3OUdS 7/22/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/22/2025 0.0079 µg/L 0.004 µg/L Detected
9Cl-PF3ONS 7/22/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 7/22/2025 0.0170 µg/L 0.003 µg/L Detected
PFHpA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/22/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/22/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 7/22/2025 <9 µg/L 9 µg/L Not Detected
PFNA 7/22/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 7/22/2025 <0.005 µg/L 0.005 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 FAIRCHILD 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 WA5324350 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects FAIRCHILD AIR FORCE BASE under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office 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
2021 Nitrate MR 1 SDWIS / WA5324350 / 1040
2014 Consumer Confidence Rule Other 2 SDWIS / WA5324350 / 7000
2008 Diquat MR 1 SDWIS / WA5324350 / 2032
2008 1,2-DIBROMO-3-CHLOROPROPANE MR 1 SDWIS / WA5324350 / 2931
2008 ETHYLENE DIBROMIDE MR 1 SDWIS / WA5324350 / 2946
1999 Lead and Copper Rule MR 1 SDWIS / WA5324350 / 5000
1979 Gross Alpha, Excl. Radon and U MR 1 SDWIS / WA5324350 / 4000

How FAIRCHILD AIR FORCE BASE Compares

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

Metric FAIRCHILD AIR FORCE BASE Washington avg Federal benchmark
Total violations 10 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 5 compounds 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 5,553 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

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 FAIRCHILD AIR FORCE BASE water safe to drink? ▼
FAIRCHILD AIR FORCE BASE (PWS ID: WA5324350) has 10 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 5 PFAS compounds found. This system serves 5,553 people using Groundwater sources.
How many people does FAIRCHILD AIR FORCE BASE serve? ▼
FAIRCHILD AIR FORCE BASE serves 5,553 people in Fairchild AFB, Washington. It is a Federal-owned system using Groundwater water sources with 886 service connections.
What type of violations does FAIRCHILD AIR FORCE BASE have? ▼
FAIRCHILD AIR FORCE BASE has 10 total violations: 0 health-based violations (MCL exceedances or treatment failures), 6 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in FAIRCHILD AIR FORCE BASE water? ▼
Yes. UCMR5 testing detected 5 PFAS compounds in FAIRCHILD AIR FORCE BASE's water supply: PFBS, PFOS, PFHxS, PFPeA, PFHxA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does FAIRCHILD AIR FORCE BASE use? ▼
FAIRCHILD 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