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Community Water System · PWS UTAH02011

Tremonton City

Tremonton, Utah 84337 - drinking water served from groundwater sources to 13,000 people, tracked in EPA SDWIS and UCMR5.

13,000
People served
64
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 64 drinking-water violations at Tremonton City - below the Utah per-system average.

64
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
13,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Tremonton City

Tremonton City is a local-owned community water system that delivers drinking water to 13,000 residents in Tremonton, Utah (Box Elder County) through 3,485 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 64 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 49 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 Radium-226, recorded in 9 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%).

Tremonton City's 64 violations sit below 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
13,000
Total Violations
64
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,485
County
Box Elder
School/Daycare
No
MCL Violations
0
Monitoring Violations
49
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Radium-226 MR 9 2013
Gross Alpha, Excl. Radon and U MR 9 2013
Radium-228 MR 9 2013
Surface Water Treatment Rule MR 9 2017
E. COLI MR 3 2015
Arsenic MR 1 1988
Cadmium MR 1 1988
Chromium MR 1 1988
Fluoride MR 1 1988
Mercury MR 1 1988
Total Haloacetic Acids (HAA5) MR 1 2025
Nitrate MR 1 1988
TTHM MR 1 2025
Selenium MR 1 1988
Barium MR 1 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFDA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 5/22/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 5/22/2024 <6.00 ppt 6.00 ppt Not Detected
PFDoA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/22/2024 <8.00 ppt 8.00 ppt Not Detected
PFPeS 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/22/2024 <2.00 ppt 2.00 ppt Not Detected
PFHpS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/22/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/22/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 5/22/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/22/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/22/2024 <6.00 ppt 6.00 ppt Not Detected
HFPO-DA 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/22/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/22/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 5/22/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 5/22/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/22/2024 <4.00 ppt 4.00 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 Tremonton City.

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 UTAH02011 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
2025 Total Haloacetic Acids (HAA5) MR 1 SDWIS / UTAH02011 / 2456
2025 TTHM MR 1 SDWIS / UTAH02011 / 2950
2017 Surface Water Treatment Rule MR 9 SDWIS / UTAH02011 / 0200
2015 E. COLI MR 3 SDWIS / UTAH02011 / 3014
2013 Radium-226 MR 9 SDWIS / UTAH02011 / 4020
2013 Gross Alpha, Excl. Radon and U MR 9 SDWIS / UTAH02011 / 4000
2013 Radium-228 MR 9 SDWIS / UTAH02011 / 4030
1988 Arsenic MR 1 SDWIS / UTAH02011 / 1005
1988 Cadmium MR 1 SDWIS / UTAH02011 / 1015
1988 Chromium MR 1 SDWIS / UTAH02011 / 1020
1988 Fluoride MR 1 SDWIS / UTAH02011 / 1025
1988 Mercury MR 1 SDWIS / UTAH02011 / 1035
1988 Nitrate MR 1 SDWIS / UTAH02011 / 1040
1988 Selenium MR 1 SDWIS / UTAH02011 / 1045
1988 Barium MR 1 SDWIS / UTAH02011 / 1010

How Tremonton City Compares

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

Metric Tremonton City Utah avg Federal benchmark
Total violations 64 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 13,000 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 Tremonton City water safe to drink?
Tremonton City (PWS ID: UTAH02011) has 64 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 13,000 people using Groundwater sources.
How many people does Tremonton City serve?
Tremonton City serves 13,000 people in Tremonton, Utah. It is a Local-owned system using Groundwater water sources with 3,485 service connections.
What type of violations does Tremonton City have?
Tremonton City has 64 total violations: 0 health-based violations (MCL exceedances or treatment failures), 49 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Tremonton City water?
No. Tremonton City was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Tremonton City use?
Tremonton City 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.