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Mars Hill, ME Tap Water Quality 2026

Water quality report for Mars Hill, ME — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

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

Main Utility: Mars Hill And Blaine Water Company PWSID: ME0090940 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.40 ppb, 23% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Mars Hill earns a B for water quality

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

Lead: 3.40 ppb — 23% of the federal action level
PFAS never sampled at this system
96 violations since 2015, 44 health-based
No violations currently open
Mars Hill's lead level vs. all Maine community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.40 ppb — 23% of the federal action level
✓ Lower lead than 29% of Maine utilities
Population Served
775
~600 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
96 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
23% of EPA action level
3.40 ppb
Action level: 15 ppb
The 90th-percentile lead result is 3.40 ppb, 23% 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.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2025 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.082 MG/L 0.060 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.084 MG/L 0.060 mg/L 2023 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2023 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2023 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2023 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2023 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2023 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2023 Resolved
Nickel MONITORING AND REPORTING — — 2023 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2023 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2023 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2023 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.088 MG/L 0.060 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.08 MG/L 0.060 mg/L 2022 Resolved
Consumer Confidence Rule OTHER — — 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.071 MG/L 0.060 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.071 MG/L 0.060 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.068 MG/L 0.060 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.091 MG/L 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.071 MG/L 0.060 mg/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
TTHM MCL EXCEEDANCE 0.089 MG/L 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.077 MG/L 0.060 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.076 MG/L 0.060 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2021 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2021–2023 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2021–2023 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2021–2023 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2021–2023 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2021–2023 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2021–2023 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2021–2023 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2021–2023 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2021–2023 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2021–2023 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2021–2023 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2021–2023 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2021–2023 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2021–2023 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.077 MG/L 0.060 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.097 MG/L 0.060 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.092 MG/L 0.060 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.094 MG/L 0.060 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.089 MG/L 0.080 mg/L 2020 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.097 MG/L 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.079 MG/L 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.092 MG/L 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.09 MG/L 0.060 mg/L 2019 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2019 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2019 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2019 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Nickel MONITORING AND REPORTING — — 2019 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2019 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2019 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2019 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.088 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.083 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.063 MG/L 0.060 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.088 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.097 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.086 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.097 MG/L 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.086 MG/L 0.060 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.092 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.068 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.066 MG/L 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 61.25 UG/L 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2015 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

96 violations are on record since 2015, of which 44 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mars Hill And Blaine Water Company
PWSID ME0090940
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 775
Service connections 600
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mars Hill tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.40 ppb, 23% of the action level.
Does Mars Hill 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 Mars Hill? ▼
Mars Hill And Blaine Water Company (PWSID ME0090940). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-05-02. No significant deficiencies were recorded.

What Should Mars Hill 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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