B73/100
GRAY WATER DISTRICT — Water Quality Report 2026
Serving 2,468 people · Maine
Water Source
Groundwater
County
—
System ID
ME0090620
Violations
8
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.54 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 2Resolved
Treatment technique violation
When: November 17, 2024 – December 19, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 17, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Maximum Contaminant Level Violation
When: October 1, 2024 – October 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – June 30, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – March 28, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Missed required monitoring deadline
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2021 – October 18, 2021Rule: Total Coliform 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 GRAY WATER DISTRICT
Is GRAY WATER DISTRICT water safe to drink?
GRAY WATER DISTRICT water receives a grade of B (73/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GRAY WATER DISTRICT detected?
2 contaminants were tested in GRAY 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 GRAY WATER DISTRICT have any EPA violations?
Yes, GRAY WATER DISTRICT has 8 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MCL. 2 are health-based violations.
How many people does GRAY WATER DISTRICT serve?
GRAY WATER DISTRICT serves approximately 2,468 people, Maine. The system provides water to 1 community: Gray.
What type of water does GRAY WATER DISTRICT provide?
GRAY WATER DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ME0090620.
How does GRAY WATER DISTRICT compare to other utilities in Maine?
GRAY WATER DISTRICT scores 73/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Maine state page for a full comparison of water systems.