East Haddam, CT 06423

2 water systems121 residents

Poor water quality - filtration recommended

D

Score: 33/100

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

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

24

Contaminants Detected

230

Violations on Record

32

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count1 / 25
Violation History11 / 25
Contaminant Severity5 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score33%

33 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

East Haddam vs CT & National Average

Detected Contaminants

24 contaminants detected across water systems serving this ZIP code

Water System Information

Systems Serving This ZIP:
GOODSPEED ACTOR HOUSING - THE VILLAGE, FRANKLIN ACADEMY
Population Served:
121
Systems With Violations:
2 of 2
Major Violations:
130
Enforcement Actions:
228

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.