F0/100
GREAT SALT BAY SANITARY DISTRICT — Water Quality Report 2026
Serving 2,143 people · Maine
Water Source
Surface Water
County
—
System ID
ME0090410
Violations
70
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – May 16, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Consumer confidence report — content deficiency
When: April 21, 2021 – August 16, 2021Rule: 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 GREAT SALT BAY SANITARY DISTRICT
Is GREAT SALT BAY SANITARY DISTRICT water safe to drink?
GREAT SALT BAY SANITARY DISTRICT water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 70 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GREAT SALT BAY SANITARY DISTRICT detected?
8 contaminants were tested in GREAT SALT BAY SANITARY DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GREAT SALT BAY SANITARY DISTRICT have any EPA violations?
Yes, GREAT SALT BAY SANITARY DISTRICT has 70 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, TT, MCL. 27 are health-based violations.
How many people does GREAT SALT BAY SANITARY DISTRICT serve?
GREAT SALT BAY SANITARY DISTRICT serves approximately 2,143 people, Maine. The system provides water to 2 communities: Damariscotta, Newcastle.
What type of water does GREAT SALT BAY SANITARY DISTRICT provide?
GREAT SALT BAY SANITARY DISTRICT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is ME0090410.
How does GREAT SALT BAY SANITARY DISTRICT compare to other utilities in Maine?
GREAT SALT BAY SANITARY DISTRICT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Maine state page for a full comparison of water systems.