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Community Water System · PWS UTAH22010

Oakley Town Water System

Oakley, Utah 84055 - drinking water served from groundwater sources to 1,800 people, tracked in EPA SDWIS and UCMR5.

1,800
People served
324
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 324 drinking-water violations at Oakley Town Water System, 3% of them health-based - above the Utah per-system average.

324
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
1,800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oakley Town Water System

Oakley Town Water System is a local-owned community water system that delivers drinking water to 1,800 residents in Oakley, Utah (Summit County) through 606 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 324 total violations for this system , of which 9 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 293 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 E. COLI, recorded in 12 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Oakley Town Water System's 324 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
1,800
Total Violations
324
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
606
County
Summit
School/Daycare
No
MCL Violations
6
Monitoring Violations
293
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 12 2020
Coliform (TCR) MR 8 2010
Lead and Copper Rule MR 7 2019
Arsenic MR 6 2008
Barium MR 6 2008
Cadmium MR 6 2008
Fluoride MR 6 2008
Consumer Confidence Rule Other 6 2019
Radium-228 MR 6 2025
Coliform (TCR) MCL 6 2015
Mercury MR 6 2008
Selenium MR 6 2008
Revised Total Coliform Rule MON 6 2017
Nitrate MR 6 2025
Chromium MR 6 2008
Gross Alpha, Excl. Radon and U MR 5 2025
Endrin MR 5 2008
Methoxychlor MR 5 2008
Toxaphene MR 5 2008
Di(2-ethylhexyl) adipate MR 5 2008
Simazine MR 5 2008
Picloram MR 5 2008
Dinoseb MR 5 2008
Hexachlorocyclopentadiene MR 5 2008
Carbofuran MR 5 2008
LASSO MR 5 2008
Heptachlor MR 5 2008
2,4-D MR 5 2008
2,4,5-TP MR 5 2008
Benzo(a)pyrene MR 5 2008

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 Oakley Town 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 UTAH22010 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 Radium-228 MR 6 SDWIS / UTAH22010 / 4030
2025 Nitrate MR 6 SDWIS / UTAH22010 / 1040
2025 Gross Alpha, Excl. Radon and U MR 5 SDWIS / UTAH22010 / 4000
2025 Radium-226 MR 3 SDWIS / UTAH22010 / 4020
2020 E. COLI MR 12 SDWIS / UTAH22010 / 3014
2019 Lead and Copper Rule MR 7 SDWIS / UTAH22010 / 5000
2019 Consumer Confidence Rule Other 6 SDWIS / UTAH22010 / 7000
2017 Revised Total Coliform Rule MON 6 SDWIS / UTAH22010 / 8000
2017 Revised Total Coliform Rule Other 3 SDWIS / UTAH22010 / 8000
2015 Coliform (TCR) MCL 6 SDWIS / UTAH22010 / 3100
2014 Groundwater Rule TT 3 SDWIS / UTAH22010 / 0700
2010 Coliform (TCR) MR 8 SDWIS / UTAH22010 / 3100
2008 Arsenic MR 6 SDWIS / UTAH22010 / 1005
2008 Barium MR 6 SDWIS / UTAH22010 / 1010
2008 Cadmium MR 6 SDWIS / UTAH22010 / 1015

How Oakley Town Water System Compares

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

Metric Oakley Town Water System Utah avg Federal benchmark
Total violations 324 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 1,800 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 Oakley Town Water System water safe to drink?
Oakley Town Water System (PWS ID: UTAH22010) has 324 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,800 people using Groundwater sources.
How many people does Oakley Town Water System serve?
Oakley Town Water System serves 1,800 people in Oakley, Utah. It is a Local-owned system using Groundwater water sources with 606 service connections.
What type of violations does Oakley Town Water System have?
Oakley Town Water System has 324 total violations: 9 health-based violations (MCL exceedances or treatment failures), 293 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oakley Town Water System water?
No PFAS testing data is available for Oakley Town Water System under the EPA's UCMR5 monitoring program.
What water source does Oakley Town Water System use?
Oakley Town Water System 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.
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.