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Community Water System · PWS UTAH06002

Clearfield City Water System

Brigham City, Utah 84302 - drinking water served from surface water sources to 33,540 people, tracked in EPA SDWIS and UCMR5.

33,540
People served
120
EPA violations
18
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 120 drinking-water violations at Clearfield City Water System, 15% of them health-based - below the Utah per-system average.

120
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
33,540
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clearfield City Water System

Clearfield City Water System is a local-owned community water system that delivers drinking water to 33,540 residents in Brigham City, Utah (Davis County) through 7,365 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 120 total violations for this system , of which 18 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 71 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 Nitrate, recorded in 19 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%).

Clearfield City Water System's 120 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
33,540
Total Violations
120
Health-Based Violations
18
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
7,365
County
Davis
School/Daycare
No
MCL Violations
8
Monitoring Violations
71
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 19 2020
Groundwater Rule TT 10 2024
Chlorine MR 9 2013
Surface Water Treatment Rule MR 9 2017
Coliform (TCR) MCL 8 2007
Consumer Confidence Rule Other 8 2024
Lead and Copper Rule MR 3 2011
TTHM MR 3 2013
Total Haloacetic Acids (HAA5) MR 3 2013
Revised Total Coliform Rule MON 3 2017
E. COLI MR 3 2016
Revised Total Coliform Rule RPT 3 2017
Coliform (TCR) MR 2 2007
Vinyl chloride MR 1 1989
trans-1,2-Dichloroethylene MR 1 1989
CHLOROBENZENE MR 1 1989
Benzene MR 1 1989
Trichloroethylene MR 1 1989
Toluene MR 1 1989
Ethylbenzene MR 1 1989
p-Dichlorobenzene MR 1 1989
1,2-Dichloropropane MR 1 1989
Carbon tetrachloride MR 1 1989
1,1,1-Trichloroethane MR 1 1989
o-Dichlorobenzene MR 1 1989
Styrene MR 1 1989
1,1-Dichloroethylene MR 1 1989
1,2-Dichloroethane MR 1 1989
Tetrachloroethylene MR 1 1989
cis-1,2-Dichloroethylene MR 1 1989

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFBA 6/26/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 6/26/2023 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 6/26/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/26/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 6/26/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 6/26/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/26/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/26/2023 <7.00 ppt 7.00 ppt Not Detected
6:2 FTS 6/26/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 6/26/2023 <8.00 ppt 8.00 ppt Not Detected
HFPO-DA 6/26/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/26/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/26/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/26/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/26/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/26/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 6/26/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/26/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 3/28/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 3/28/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 3/28/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 3/28/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 3/28/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 3/28/2023 <20.00 ppt 20.00 ppt Not Detected
PFHxS 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 3/28/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 3/28/2023 <4.00 ppt 4.00 ppt Not Detected
PFEESA 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 3/28/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 3/28/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 3/28/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 3/28/2023 <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 Clearfield City Water System.

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 UTAH06002 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
2024 Groundwater Rule TT 10 SDWIS / UTAH06002 / 0700
2024 Consumer Confidence Rule Other 8 SDWIS / UTAH06002 / 7000
2020 Nitrate MR 19 SDWIS / UTAH06002 / 1040
2017 Surface Water Treatment Rule MR 9 SDWIS / UTAH06002 / 0200
2017 Revised Total Coliform Rule MON 3 SDWIS / UTAH06002 / 8000
2017 Revised Total Coliform Rule RPT 3 SDWIS / UTAH06002 / 8000
2016 E. COLI MR 3 SDWIS / UTAH06002 / 3014
2013 Chlorine MR 9 SDWIS / UTAH06002 / 0999
2013 TTHM MR 3 SDWIS / UTAH06002 / 2950
2013 Total Haloacetic Acids (HAA5) MR 3 SDWIS / UTAH06002 / 2456
2011 Lead and Copper Rule MR 3 SDWIS / UTAH06002 / 5000
2007 Coliform (TCR) MCL 8 SDWIS / UTAH06002 / 3100
2007 Coliform (TCR) MR 2 SDWIS / UTAH06002 / 3100
1989 Vinyl chloride MR 1 SDWIS / UTAH06002 / 2976
1989 trans-1,2-Dichloroethylene MR 1 SDWIS / UTAH06002 / 2979

How Clearfield City Water System Compares

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

Metric Clearfield City Water System Utah avg Federal benchmark
Total violations 120 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 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 33,540 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 Clearfield City Water System water safe to drink? ▼
Clearfield City Water System (PWS ID: UTAH06002) has 120 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 33,540 people using Surface Water sources.
How many people does Clearfield City Water System serve? ▼
Clearfield City Water System serves 33,540 people in Brigham City, Utah. It is a Local-owned system using Surface Water water sources with 7,365 service connections.
What type of violations does Clearfield City Water System have? ▼
Clearfield City Water System has 120 total violations: 18 health-based violations (MCL exceedances or treatment failures), 71 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clearfield City Water System water? ▼
No. Clearfield City Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Clearfield City Water System use? ▼
Clearfield City Water System 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.