PlainWater
States → Utah

STOCKTON TOWN WATER SYSTEM

PWS ID: UTAH23010 · STOCKTON, Utah 84071

STOCKTON TOWN WATER SYSTEM serves 620 people in STOCKTON, Utah using Surface Water water sources. It has 448 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: STOCKTON TOWN WATER SYSTEM

STOCKTON TOWN WATER SYSTEM is a local-owned community water system that delivers drinking water to 620 residents in STOCKTON, Utah (Tooele County) through 283 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 448 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 422 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Nitrate, recorded in 34 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. STOCKTON TOWN WATER SYSTEM's 448 violations sit above the Utah average. Statewide, 91 of 129 UCMR5-tested systems have reported PFAS detections (70.5%). 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
620
Total Violations
448
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
283
County
Tooele
School/Daycare
No
MCL Violations
1
Monitoring Violations
422
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 34 2013
BHC-GAMMA MR 11 2011
Methoxychlor MR 11 2011
2,4-D MR 11 2011
2,4,5-TP MR 11 2011
Toxaphene MR 11 2011
Endrin MR 11 2011
Mercury MR 8 2006
Selenium MR 8 2006
Barium MR 8 2006
Arsenic MR 8 2006
Chromium MR 8 2006
Cadmium MR 8 2006
Dalapon MR 8 2011
Di(2-ethylhexyl) adipate MR 8 2011
Di(2-ethylhexyl) phthalate MR 8 2011
Dinoseb MR 8 2011
Hexachlorocyclopentadiene MR 8 2011
Atrazine MR 8 2011
Heptachlor MR 8 2011
Heptachlor epoxide MR 8 2011
Benzo(a)pyrene MR 8 2011
Pentachlorophenol MR 8 2011
Total Polychlorinated Biphenyls (PCB) MR 8 2011
OXAMYL MR 8 2011
Carbofuran MR 8 2011
LASSO MR 8 2011
HEXACHLOROBENZENE MR 8 2011
Chlordane MR 8 2011
Simazine MR 8 2011

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 STOCKTON 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 UTAH23010 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
2016 Revised Total Coliform Rule MON 4 SDWIS / UTAH23010 / 8000
2015 Groundwater Rule TT 3 SDWIS / UTAH23010 / 0700
2013 Nitrate MR 34 SDWIS / UTAH23010 / 1040
2011 BHC-GAMMA MR 11 SDWIS / UTAH23010 / 2010
2011 Methoxychlor MR 11 SDWIS / UTAH23010 / 2015
2011 2,4-D MR 11 SDWIS / UTAH23010 / 2105
2011 2,4,5-TP MR 11 SDWIS / UTAH23010 / 2110
2011 Toxaphene MR 11 SDWIS / UTAH23010 / 2020
2011 Endrin MR 11 SDWIS / UTAH23010 / 2005
2011 Dalapon MR 8 SDWIS / UTAH23010 / 2031
2011 Di(2-ethylhexyl) adipate MR 8 SDWIS / UTAH23010 / 2035
2011 Di(2-ethylhexyl) phthalate MR 8 SDWIS / UTAH23010 / 2039
2011 Dinoseb MR 8 SDWIS / UTAH23010 / 2041
2011 Hexachlorocyclopentadiene MR 8 SDWIS / UTAH23010 / 2042
2011 Atrazine MR 8 SDWIS / UTAH23010 / 2050

How STOCKTON TOWN WATER SYSTEM Compares

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

Metric STOCKTON TOWN WATER SYSTEM Utah avg Federal benchmark
Total violations 448 159 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 620 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is STOCKTON TOWN WATER SYSTEM water safe to drink? ▼
STOCKTON TOWN WATER SYSTEM (PWS ID: UTAH23010) has 448 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 620 people using Surface Water sources.
How many people does STOCKTON TOWN WATER SYSTEM serve? ▼
STOCKTON TOWN WATER SYSTEM serves 620 people in STOCKTON, Utah. It is a Local-owned system using Surface Water water sources with 283 service connections.
What type of violations does STOCKTON TOWN WATER SYSTEM have? ▼
STOCKTON TOWN WATER SYSTEM has 448 total violations: 4 health-based violations (MCL exceedances or treatment failures), 422 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in STOCKTON TOWN WATER SYSTEM water? ▼
No PFAS testing data is available for STOCKTON TOWN WATER SYSTEM under the EPA's UCMR5 monitoring program.
What water source does STOCKTON TOWN WATER SYSTEM use? ▼
STOCKTON TOWN 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.

Explore PlainWater

Water in Utah

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Utah

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial