Damariscotta, ME 04543

1 water system2,143 residents

Severe water quality issues - filtration essential

F

Score: 16/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

12

Contaminants Detected

226

Violations on Record

129

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count13 / 25
Violation History0 / 25
Contaminant Severity0 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score16%

16 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Ultraviolet (UV) Purification
  • Activated Carbon Filter (disinfection byproducts)
  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Damariscotta vs ME & National Average

Detected Contaminants

12 contaminants detected across water systems serving this ZIP code

ContaminantCategory
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Antimony, TotalHeavy Metal
Beryllium, TotalHeavy Metal
Lead and Copper RuleHeavy Metal
NickelHeavy Metal
Thallium, TotalHeavy Metal
CYANIDEInorganic
FluorideInorganic
Coliform (TCR)Microorganism
Surface Water Treatment RuleOther
Combined Radium (-226 and -228)Radiological

Water System Information

Systems Serving This ZIP:
GREAT SALT BAY SANITARY DISTRICT
Population Served:
2,143
Systems With Violations:
1 of 1
Major Violations:
79
Enforcement Actions:
225

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.