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Community Water System · PWS UTAH23003

Stansbury Park Improvement District

Stansbury Park, Utah 84074 - drinking water served from groundwater sources to 9,839 people, tracked in EPA SDWIS and UCMR5.

9,839
People served
129
EPA violations
9
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 129 drinking-water violations at Stansbury Park Improvement District, 7% of them health-based - below the Utah per-system average.

129
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
9,839
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Stansbury Park Improvement District

Stansbury Park Improvement District is a local-owned community water system that delivers drinking water to 9,839 residents in Stansbury Park, Utah (Tooele County) through 4,531 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 129 total violations for this system , of which 9 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 101 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 violations (MCL, health-based). 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%).

Stansbury Park Improvement District's 129 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
9,839
Total Violations
129
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
4,531
County
Tooele
School/Daycare
No
MCL Violations
9
Monitoring Violations
101
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 2014
Radium-226 MR 6 2015
Radium-228 MR 6 2015
Gross Alpha, Excl. Radon and U MR 6 2015
Coliform (TCR) MR 5 2007
Methoxychlor MR 3 2015
Toxaphene MR 3 2015
Dalapon MR 3 2015
Di(2-ethylhexyl) adipate MR 3 2015
Simazine MR 3 2015
Di(2-ethylhexyl) phthalate MR 3 2015
Dinoseb MR 3 2015
Hexachlorocyclopentadiene MR 3 2015
Carbofuran MR 3 2015
Atrazine MR 3 2015
Heptachlor MR 3 2015
Heptachlor epoxide MR 3 2015
HEXACHLOROBENZENE MR 3 2015
Benzo(a)pyrene MR 3 2015
TTHM MR 3 2020
2,4,5-TP MR 3 2015
BHC-GAMMA MR 3 2015
OXAMYL MR 3 2015
LASSO MR 3 2015
Total Haloacetic Acids (HAA5) MR 3 2020
Total Polychlorinated Biphenyls (PCB) MR 3 2015
2,4-D MR 3 2015
Pentachlorophenol MR 3 2015
Endrin MR 3 2015
Chlordane MR 3 2015

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 290 samples detected PFAS.

Contaminant Date Result MRL Status
9Cl-PF3ONS 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
NEtFOSAA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/18/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 6/18/2024 <8.00 ppt 8.00 ppt Not Detected
PFHpS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 6/18/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 6/18/2024 <6.00 ppt 6.00 ppt Not Detected
ADONA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/18/2024 <6.00 ppt 6.00 ppt Not Detected
PFTA 6/18/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 6/18/2024 <7.00 ppt 7.00 ppt Not Detected
PFBS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
PFHpS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/18/2024 <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 Stansbury Park Improvement District.

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 UTAH23003 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
2020 TTHM MR 3 SDWIS / UTAH23003 / 2950
2020 Total Haloacetic Acids (HAA5) MR 3 SDWIS / UTAH23003 / 2456
2015 Radium-226 MR 6 SDWIS / UTAH23003 / 4020
2015 Radium-228 MR 6 SDWIS / UTAH23003 / 4030
2015 Gross Alpha, Excl. Radon and U MR 6 SDWIS / UTAH23003 / 4000
2015 Methoxychlor MR 3 SDWIS / UTAH23003 / 2015
2015 Toxaphene MR 3 SDWIS / UTAH23003 / 2020
2015 Dalapon MR 3 SDWIS / UTAH23003 / 2031
2015 Di(2-ethylhexyl) adipate MR 3 SDWIS / UTAH23003 / 2035
2015 Simazine MR 3 SDWIS / UTAH23003 / 2037
2015 Di(2-ethylhexyl) phthalate MR 3 SDWIS / UTAH23003 / 2039
2015 Dinoseb MR 3 SDWIS / UTAH23003 / 2041
2015 Hexachlorocyclopentadiene MR 3 SDWIS / UTAH23003 / 2042
2015 Carbofuran MR 3 SDWIS / UTAH23003 / 2046
2015 Atrazine MR 3 SDWIS / UTAH23003 / 2050

How Stansbury Park Improvement District Compares

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

Metric Stansbury Park Improvement District Utah avg Federal benchmark
Total violations 129 159 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 9,839 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 Stansbury Park Improvement District water safe to drink?
Stansbury Park Improvement District (PWS ID: UTAH23003) has 129 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 9,839 people using Groundwater sources.
How many people does Stansbury Park Improvement District serve?
Stansbury Park Improvement District serves 9,839 people in Stansbury Park, Utah. It is a Local-owned system using Groundwater water sources with 4,531 service connections.
What type of violations does Stansbury Park Improvement District have?
Stansbury Park Improvement District has 129 total violations: 9 health-based violations (MCL exceedances or treatment failures), 101 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Stansbury Park Improvement District water?
No. Stansbury Park Improvement District was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Stansbury Park Improvement District use?
Stansbury Park Improvement District 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.