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Community Water System · PWS NV0003028

Nellis Air Force Base

Nellis Afb, Nevada 89191 - drinking water served from surface water sources to 19,081 people, tracked in EPA SDWIS and UCMR5.

19,081
People served
42
EPA violations
37
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 42 drinking-water violations at Nellis Air Force Base, 88% of them health-based - below the Nevada per-system average.

42
Total EPA violations on record
88%
Health-based (MCL / treatment failure)
19,081
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Nellis Air Force Base

Nellis Air Force Base is a federal-owned community water system that delivers drinking water to 19,081 residents in Nellis Afb, Nevada (Clark County) through 1,985 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 42 total violations for this system , of which 37 (88%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 18 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 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%).

Nellis Air Force Base's 42 violations sit below 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
19,081
Total Violations
42
Health-Based Violations
37
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
1,985
County
Clark
School/Daycare
No
MCL Violations
33
Monitoring Violations
1
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 18 2005
TTHM MCL 15 2025
Surface Water Treatment Rule TT 4 2007
Consumer Confidence Rule Other 3 2004
Coliform (TCR) MR 1 1994

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFDA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/31/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/31/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/31/2023 <8.00 ppt 8.00 ppt Not Detected
PFUnA 7/31/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/31/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/31/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/31/2023 <20.00 ppt 20.00 ppt Not Detected
PFHpS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 7/31/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 7/31/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/31/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/31/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/31/2023 <8.00 ppt 8.00 ppt Not Detected
PFMBA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/31/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/31/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/31/2023 <3.00 ppt 3.00 ppt 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 Nellis 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 NV0003028 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
2025 TTHM MCL 15 SDWIS / NV0003028 / 2950
2007 Surface Water Treatment Rule TT 4 SDWIS / NV0003028 / 0200
2005 Coliform (TCR) MCL 18 SDWIS / NV0003028 / 3100
2004 Consumer Confidence Rule Other 3 SDWIS / NV0003028 / 7000
1994 Coliform (TCR) MR 1 SDWIS / NV0003028 / 3100

How Nellis Air Force Base Compares

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

Metric Nellis Air Force Base Nevada avg Federal benchmark
Total violations 42 95.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 37 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 19,081 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 Nellis Air Force Base water safe to drink? ▼
Nellis Air Force Base (PWS ID: NV0003028) has 42 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 19,081 people using Surface Water sources.
How many people does Nellis Air Force Base serve? ▼
Nellis Air Force Base serves 19,081 people in Nellis Afb, Nevada. It is a Federal-owned system using Surface Water water sources with 1,985 service connections.
What type of violations does Nellis Air Force Base have? ▼
Nellis Air Force Base has 42 total violations: 37 health-based violations (MCL exceedances or treatment failures), 1 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Nellis Air Force Base water? ▼
No. Nellis Air Force Base was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Nellis Air Force Base use? ▼
Nellis Air Force Base 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. 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.

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.