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Randolph, ME Tap Water Quality 2026

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

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

Main Utility: Gardiner Water District PWSID: ME0090610 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.44 ppb, 23% of the action level and no violations are open. No PFAS was detected.

A

Randolph earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 3.44 ppb — 23% of the federal action level
PFAS tested, none detected
16 violations since 2015, 0 health-based
No violations currently open
Randolph's lead level vs. all Maine community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.44 ppb — 23% of the federal action level
✓ Lower lead than 27% of Maine utilities
Population Served
1676
~3600 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
16 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
23% of EPA action level
3.44 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.
177.7% of EPA action level
2,310 ppb
Action level: 1,300 ppb
The 90th-percentile lead result is 3.44 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. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2023 Unaddressed
Public Notice OTHER — — 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2021 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2019 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2019 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2019 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2016 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

16 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 Gardiner Water District
PWSID ME0090610
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,676
Service connections 3,600
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Randolph tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.44 ppb, 23% of the action level.
Does Randolph water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Randolph? ▼
Gardiner Water District (PWSID ME0090610). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-07-25. No significant deficiencies were recorded.

What Should Randolph 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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