Great Neck, NY 11023

1 water system43,000 residents

Severe water quality issues - filtration essential

F

Score: 2/100

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

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

48

Contaminants Detected

1,476

Violations on Record

0

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count0 / 25
Violation History0 / 25
Contaminant Severity25 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score2%

2 / 100 points

Recommended Water Filters

  • Whole Home Carbon Filter System
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Great Neck vs NY & National Average

Detected Contaminants

48 contaminants detected across water systems serving this ZIP code

Water System Information

Systems Serving This ZIP:
MANHASSET LAKEVILLE WD
Population Served:
43,000
Systems With Violations:
1 of 1
Major Violations:
20
Enforcement Actions:
1,456

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.