C57/100
GARDINER WATER DISTRICT — Water Quality Report 2026
Serving 9,000 people · Maine
Water Source
Groundwater
County
—
System ID
ME0090610
Violations
20
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.31 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: March 11, 2023Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: June 7, 2022 – October 28, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 29, 2021 – August 5, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About GARDINER WATER DISTRICT
Is GARDINER WATER DISTRICT water safe to drink?
GARDINER WATER DISTRICT water receives a grade of C (57/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GARDINER WATER DISTRICT detected?
52 contaminants were tested in GARDINER WATER DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does GARDINER WATER DISTRICT have any EPA violations?
Yes, GARDINER WATER DISTRICT has 20 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR, TT. 3 are health-based violations.
How many people does GARDINER WATER DISTRICT serve?
GARDINER WATER DISTRICT serves approximately 9,000 people, Maine. The system provides water to 1 community: Gardiner.
What type of water does GARDINER WATER DISTRICT provide?
GARDINER WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ME0090610.
How does GARDINER WATER DISTRICT compare to other utilities in Maine?
GARDINER WATER DISTRICT scores 57/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Maine state page for a full comparison of water systems.