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Community Water System · PWS UTAH06024

Hill Air Force Base

Elwood, Utah 84337 - drinking water served from surface water sources to 25,625 people, tracked in EPA SDWIS and UCMR5.

25,625
People served
208
EPA violations
1
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 208 drinking-water violations at Hill Air Force Base - above the Utah per-system average.

208
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
25,625
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hill Air Force Base

Hill Air Force Base is a federal-owned community water system that delivers drinking water to 25,625 residents in Elwood, Utah (Davis County) through 6,636 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 208 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 190 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is TTHM, recorded in 12 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Utah, EPA tracks 1,068 public water systems serving 3,870,776 people, with 169,784 cumulative violations and 10,671 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 159 violations. Statewide, 91 of 129 UCMR5-tested systems have reported PFAS detections (70.5%).

Hill Air Force Base's 208 violations sit above the Utah 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
25,625
Total Violations
208
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
6,636
County
Davis
School/Daycare
No
MCL Violations
1
Monitoring Violations
190
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 12 2014
Total Haloacetic Acids (HAA5) MR 12 2014
Gross Alpha, Excl. Radon and U MR 6 2017
Coliform (TCR) MR 4 2003
Beryllium, Total MR 4 2017
Arsenic MR 3 1993
Cadmium MR 3 1993
Fluoride MR 3 1993
Endrin MR 3 2001
2,4-D MR 3 2001
2,4,5-TP MR 3 2001
LASSO MR 3 2001
Aldicarb sulfoxide MR 3 2001
Aldicarb sulfone MR 3 2001
Atrazine MR 3 2001
Carbofuran MR 3 2001
Heptachlor epoxide MR 3 2001
Benzo(a)pyrene MR 3 2001
Dalapon MR 3 2001
Di(2-ethylhexyl) adipate MR 3 2001
Di(2-ethylhexyl) phthalate MR 3 2001
Hexachlorocyclopentadiene MR 3 2001
Simazine MR 3 2001
Radium-226 MR 3 2017
Selenium MR 3 1993
Total Polychlorinated Biphenyls (PCB) MR 3 2001
Toxaphene MR 3 2001
HEXACHLOROBENZENE MR 3 2001
Methoxychlor MR 3 2001
Heptachlor MR 3 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 348 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 7/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFDA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/10/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 7/10/2023 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 7/10/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxS 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/10/2023 <6.00 ppt 6.00 ppt Not Detected
4:2 FTS 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/10/2023 <2.00 ppt 2.00 ppt Not Detected
PFOA 7/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/10/2023 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 7/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/10/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/10/2023 <8.00 ppt 8.00 ppt Not Detected
PFEESA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/10/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/10/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/10/2023 <20.00 ppt 20.00 ppt Not Detected
PFHpS 7/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 4/17/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/17/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFMBA 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/17/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 4/17/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 4/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 4/17/2023 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 4/17/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpS 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 4/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 4/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 4/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 4/17/2023 <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 Hill 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 UTAH06024 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Utah Drinking Water Authority

Utah'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 UT 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
2017 Gross Alpha, Excl. Radon and U MR 6 SDWIS / UTAH06024 / 4000
2017 Beryllium, Total MR 4 SDWIS / UTAH06024 / 1075
2017 Radium-226 MR 3 SDWIS / UTAH06024 / 4020
2017 Radium-228 MR 3 SDWIS / UTAH06024 / 4030
2014 TTHM MR 12 SDWIS / UTAH06024 / 2950
2014 Total Haloacetic Acids (HAA5) MR 12 SDWIS / UTAH06024 / 2456
2011 Lead and Copper Rule MR 3 SDWIS / UTAH06024 / 5000
2003 Coliform (TCR) MR 4 SDWIS / UTAH06024 / 3100
2003 Vinyl chloride MR 1 SDWIS / UTAH06024 / 2976
2003 Benzene MR 1 SDWIS / UTAH06024 / 2990
2003 1,2-Dichloroethane MR 1 SDWIS / UTAH06024 / 2980
2003 Trichloroethylene MR 1 SDWIS / UTAH06024 / 2984
2003 1,1-Dichloroethylene MR 1 SDWIS / UTAH06024 / 2977
2003 1,1,1-Trichloroethane MR 1 SDWIS / UTAH06024 / 2981
2003 o-Dichlorobenzene MR 1 SDWIS / UTAH06024 / 2968

How Hill Air Force Base Compares

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

Metric Hill Air Force Base Utah avg Federal benchmark
Total violations 208 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 10 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 25,625 3,624 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,068 regulated public water systems in Utah.

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 Hill Air Force Base water safe to drink? ▼
Hill Air Force Base (PWS ID: UTAH06024) has 208 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25,625 people using Surface Water sources.
How many people does Hill Air Force Base serve? ▼
Hill Air Force Base serves 25,625 people in Elwood, Utah. It is a Federal-owned system using Surface Water water sources with 6,636 service connections.
What type of violations does Hill Air Force Base have? ▼
Hill Air Force Base has 208 total violations: 1 health-based violations (MCL exceedances or treatment failures), 190 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hill Air Force Base water? ▼
No. Hill Air Force Base was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Hill Air Force Base use? ▼
Hill 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.