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StatesUtah

Community Water System · PWS UTAH08005

Green River City

Green River, Utah 84525 - drinking water served from surface water sources to 910 people, tracked in EPA SDWIS and UCMR5.

910
People served
183
EPA violations
24
Health-based
Untested
UCMR5 result

The verdict

EPA records 183 drinking-water violations at Green River City, 13% of them health-based - above the Utah per-system average.

183
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
910
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Green River City

Green River City is a local-owned community water system that delivers drinking water to 910 residents in Green River, Utah (Emery County) through 449 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 183 total violations for this system , of which 24 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 138 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 TTHM, recorded in 15 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%).

Green River City's 183 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
910
Total Violations
183
Health-Based Violations
24
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
449
County
Emery
School/Daycare
No
MCL Violations
14
Monitoring Violations
138
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 15 2015
TTHM MCL 14 2019
Total Haloacetic Acids (HAA5) MR 12 2015
Groundwater Rule TT 10 2013
BHC-GAMMA MR 7 2014
Methoxychlor MR 7 2014
2,4-D MR 7 2014
Endrin MR 7 2014
Toxaphene MR 7 2014
2,4,5-TP MR 6 2014
Surface Water Treatment Rule MR 3 2001
Di(2-ethylhexyl) adipate MR 3 2014
Di(2-ethylhexyl) phthalate MR 3 2014
Dinoseb MR 3 2014
Carbofuran MR 3 2014
Atrazine MR 3 2014
Heptachlor epoxide MR 3 2014
Pentachlorophenol MR 3 2014
Total Polychlorinated Biphenyls (PCB) MR 3 2014
OXAMYL MR 3 2014
Benzo(a)pyrene MR 3 2014
HEXACHLOROBENZENE MR 3 2014
Chlordane MR 3 2014
Coliform (TCR) MR 3 2016
LASSO MR 3 2014
Simazine MR 3 2014
Dalapon MR 3 2014
Picloram MR 3 2014
Heptachlor MR 3 2014
Hexachlorocyclopentadiene MR 3 2014

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 Green River City.

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 UTAH08005 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 Consumer Confidence Rule Other 2 SDWIS / UTAH08005 / 7000
2019 TTHM MCL 14 SDWIS / UTAH08005 / 2950
2016 Coliform (TCR) MR 3 SDWIS / UTAH08005 / 3100
2015 TTHM MR 15 SDWIS / UTAH08005 / 2950
2015 Total Haloacetic Acids (HAA5) MR 12 SDWIS / UTAH08005 / 2456
2014 BHC-GAMMA MR 7 SDWIS / UTAH08005 / 2010
2014 Methoxychlor MR 7 SDWIS / UTAH08005 / 2015
2014 2,4-D MR 7 SDWIS / UTAH08005 / 2105
2014 Endrin MR 7 SDWIS / UTAH08005 / 2005
2014 Toxaphene MR 7 SDWIS / UTAH08005 / 2020
2014 2,4,5-TP MR 6 SDWIS / UTAH08005 / 2110
2014 Di(2-ethylhexyl) adipate MR 3 SDWIS / UTAH08005 / 2035
2014 Di(2-ethylhexyl) phthalate MR 3 SDWIS / UTAH08005 / 2039
2014 Dinoseb MR 3 SDWIS / UTAH08005 / 2041
2014 Carbofuran MR 3 SDWIS / UTAH08005 / 2046

How Green River City Compares

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

Metric Green River City Utah avg Federal benchmark
Total violations 183 159 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 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 910 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 Green River City water safe to drink?
Green River City (PWS ID: UTAH08005) has 183 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 910 people using Surface Water sources.
How many people does Green River City serve?
Green River City serves 910 people in Green River, Utah. It is a Local-owned system using Surface Water water sources with 449 service connections.
What type of violations does Green River City have?
Green River City has 183 total violations: 24 health-based violations (MCL exceedances or treatment failures), 138 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Green River City water?
No PFAS testing data is available for Green River City under the EPA's UCMR5 monitoring program.
What water source does Green River City use?
Green River City 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. 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.