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Community Water System · PWS UTAH02058

Thatcher Hills Water Company

Tremonton, Utah 84337 - drinking water served from groundwater sources to 399 people, tracked in EPA SDWIS and UCMR5.

399
People served
63
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 63 drinking-water violations at Thatcher Hills Water Company, 11% of them health-based - below the Utah per-system average.

63
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
399
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Thatcher Hills Water Company

Thatcher Hills Water Company is a private-owned community water system that delivers drinking water to 399 residents in Tremonton, Utah (Box Elder County) through 134 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 63 total violations for this system , of which 7 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 51 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 9 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%).

Thatcher Hills Water Company's 63 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
399
Total Violations
63
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
134
County
Box Elder
School/Daycare
No
MCL Violations
7
Monitoring Violations
51
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2014
Coliform (TCR) MR 8 2002
Coliform (TCR) MCL 7 2007
Nitrate MR 4 2015
Gross Alpha, Excl. Radon and U MR 4 2003
Consumer Confidence Rule Other 4 2019
Radium-228 MR 3 2003
Combined Radium (-226 and -228) MR 3 2003
Radium-226 MR 3 2003
Combined Uranium MR 3 2003
Nitrite MR 1 1993
Beryllium, Total MR 1 1991
CYANIDE MR 1 1991
Arsenic MR 1 1991
Barium MR 1 1991
Antimony, Total MR 1 1991
Mercury MR 1 1991
Selenium MR 1 1991
Chromium MR 1 1991
Nickel MR 1 1991
Thallium, Total MR 1 1991
Gross Beta Particle Activity MR 1 1990
Fluoride MR 1 1991
Cadmium MR 1 1991

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 Thatcher Hills Water Company.

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 UTAH02058 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
2019 Consumer Confidence Rule Other 4 SDWIS / UTAH02058 / 7000
2015 Nitrate MR 4 SDWIS / UTAH02058 / 1040
2014 Lead and Copper Rule MR 9 SDWIS / UTAH02058 / 5000
2007 Coliform (TCR) MCL 7 SDWIS / UTAH02058 / 3100
2003 Gross Alpha, Excl. Radon and U MR 4 SDWIS / UTAH02058 / 4000
2003 Radium-228 MR 3 SDWIS / UTAH02058 / 4030
2003 Combined Radium (-226 and -228) MR 3 SDWIS / UTAH02058 / 4010
2003 Radium-226 MR 3 SDWIS / UTAH02058 / 4020
2003 Combined Uranium MR 3 SDWIS / UTAH02058 / 4006
2002 Coliform (TCR) MR 8 SDWIS / UTAH02058 / 3100
1993 Nitrite MR 1 SDWIS / UTAH02058 / 1041
1991 Beryllium, Total MR 1 SDWIS / UTAH02058 / 1075
1991 CYANIDE MR 1 SDWIS / UTAH02058 / 1024
1991 Arsenic MR 1 SDWIS / UTAH02058 / 1005
1991 Barium MR 1 SDWIS / UTAH02058 / 1010

How Thatcher Hills Water Company Compares

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

Metric Thatcher Hills Water Company Utah avg Federal benchmark
Total violations 63 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 399 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 Thatcher Hills Water Company water safe to drink?
Thatcher Hills Water Company (PWS ID: UTAH02058) has 63 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 399 people using Groundwater sources.
How many people does Thatcher Hills Water Company serve?
Thatcher Hills Water Company serves 399 people in Tremonton, Utah. It is a Private-owned system using Groundwater water sources with 134 service connections.
What type of violations does Thatcher Hills Water Company have?
Thatcher Hills Water Company has 63 total violations: 7 health-based violations (MCL exceedances or treatment failures), 51 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Thatcher Hills Water Company water?
No PFAS testing data is available for Thatcher Hills Water Company under the EPA's UCMR5 monitoring program.
What water source does Thatcher Hills Water Company use?
Thatcher Hills Water Company 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.