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Community Water System · PWS NV0000350

Fallon Naval Air Station

Fallon, Nevada 89406 - drinking water served from groundwater sources to 3,000 people, tracked in EPA SDWIS and UCMR5.

3,000
People served
100
EPA violations
28
Health-based
Untested
UCMR5 result

The verdict

EPA records 100 drinking-water violations at Fallon Naval Air Station, 28% of them health-based - above the Nevada per-system average.

100
Total EPA violations on record
28%
Health-based (MCL / treatment failure)
3,000
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fallon Naval Air Station

Fallon Naval Air Station is a federal-owned community water system that delivers drinking water to 3,000 residents in Fallon, Nevada (Churchill County) through 550 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 100 total violations for this system , of which 28 (28%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 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 Arsenic, recorded in 28 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 Nevada, EPA tracks 589 public water systems serving 3,455,285 people, with 56,333 cumulative violations and 6,657 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 95.6 violations. Statewide, 50 of 57 UCMR5-tested systems have reported PFAS detections (87.7%).

Fallon Naval Air Station's 100 violations sit above the Nevada 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
3,000
Total Violations
100
Health-Based Violations
28
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
550
County
Churchill
School/Daycare
No
MCL Violations
28
Monitoring Violations
59
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 28 2002
Cadmium MR 7 1999
Mercury MR 7 1999
Selenium MR 7 1999
Chromium MR 7 1999
Barium MR 7 1999
Coliform (TCR) MR 6 1999
Total Haloacetic Acids (HAA5) MR 5 2024
TTHM MR 5 2024
Revised Total Coliform Rule MON 4 2018
Chlorine MR 4 2018

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 Fallon Naval Air Station.

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 NV0000350 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Nevada Drinking Water Authority

Nevada's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NV regulator via EPA SDWIS

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 Total Haloacetic Acids (HAA5) MR 5 SDWIS / NV0000350 / 2456
2024 TTHM MR 5 SDWIS / NV0000350 / 2950
2018 Revised Total Coliform Rule MON 4 SDWIS / NV0000350 / 8000
2018 Chlorine MR 4 SDWIS / NV0000350 / 0999
2002 Arsenic MCL 28 SDWIS / NV0000350 / 1005
1999 Cadmium MR 7 SDWIS / NV0000350 / 1015
1999 Mercury MR 7 SDWIS / NV0000350 / 1035
1999 Selenium MR 7 SDWIS / NV0000350 / 1045
1999 Chromium MR 7 SDWIS / NV0000350 / 1020
1999 Barium MR 7 SDWIS / NV0000350 / 1010
1999 Coliform (TCR) MR 6 SDWIS / NV0000350 / 3100

How Fallon Naval Air Station Compares

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

Metric Fallon Naval Air Station Nevada avg Federal benchmark
Total violations 100 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 11.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 87.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,000 5,866 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 589 regulated public water systems in Nevada.

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 Fallon Naval Air Station water safe to drink? ▼
Fallon Naval Air Station (PWS ID: NV0000350) has 100 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,000 people using Groundwater sources.
How many people does Fallon Naval Air Station serve? ▼
Fallon Naval Air Station serves 3,000 people in Fallon, Nevada. It is a Federal-owned system using Groundwater water sources with 550 service connections.
What type of violations does Fallon Naval Air Station have? ▼
Fallon Naval Air Station has 100 total violations: 28 health-based violations (MCL exceedances or treatment failures), 59 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fallon Naval Air Station water? ▼
No PFAS testing data is available for Fallon Naval Air Station under the EPA's UCMR5 monitoring program.
What water source does Fallon Naval Air Station use? ▼
Fallon Naval Air Station 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.
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.