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White Mesa, UT Tap Water Quality 2026

Water quality report for White Mesa, UT — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at White Mesa's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: White Mesa Water System PWSID: 084990004 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. PFAS has never been sampled at this system.

C

White Mesa earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.00 ppb — 7% of the federal action level
PFAS never sampled at this system
133 violations since 2015, 0 health-based
No violations currently open
White Mesa's lead level vs. all Utah community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 89% of Utah utilities
Population Served
178
~85 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
133 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
162.3% of EPA action level
2,110 ppb
Action level: 1,300 ppb
The 90th-percentile lead result is 1.00 ppb, 7% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
E. COLI MONITORING AND REPORTING — 0 2025 Resolved
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2024 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2024 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2024 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2024 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2024 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2024 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2024 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2024 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2024 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Consumer Confidence Rule OTHER — — 2023 Unaddressed
Revised Total Coliform Rule REPORTING FAILURE — — 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023–2025 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Unaddressed
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2022 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2022 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2022 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2022 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2022 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2022 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2022 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2022 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2022 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2022 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2022 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2022 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2022 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2022 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2022 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2020 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2020 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2020 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2020 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2020 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2020 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2020 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2020 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2020 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2020 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2020 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2020 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2020 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2020 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2020 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2020 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2020 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2020 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2020 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2020 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2020 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2020 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2020 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2020 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2020 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2020 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2020 Resolved
LASSO MONITORING AND REPORTING — — 2020 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2020 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2020 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2020 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2020 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2020 Resolved
Radium-226 MONITORING AND REPORTING — — 2020 Resolved
Radium-228 MONITORING AND REPORTING — — 2020 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2020–2022 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2019 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2019 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2019 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2019 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2019 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2019 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2019 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
Nickel MONITORING AND REPORTING — — 2019 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2019 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

133 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility White Mesa Water System
PWSID 084990004
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 178
Service connections 85
Systems serving this area 1
Regulator US EPA (tribal primacy)
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is White Mesa tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does White Mesa water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to White Mesa? ▼
White Mesa Water System (PWSID 084990004). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-11-21. Inspectors recorded 5 significant deficiencies.

What Should White Mesa Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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