Farmington, MI 48334
86 water systems • 43,892 residents
Moderate water quality - consider filtration
Score: 40/100
Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.
Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts
87
Contaminants Detected
6,966
Violations on Record
755
Health-Based Violations
0
Recent Violations
Grade Breakdown
40 / 100 points
Recommended Water Filters
- ✓Point-of-Use Carbon Filter (NSF-certified for lead)
- ✓Reverse Osmosis or Ion Exchange Filter
- ✓Ultraviolet (UV) Purification
- ✓Activated Carbon Filter (disinfection byproducts)
Consult a water quality specialist for personalized recommendations.
Farmington vs MI & National Average
Detected Contaminants
87 contaminants detected across water systems serving this ZIP code
Water System Information
- Systems Serving This ZIP:
- OAK RIDGE MOBILE COM 4, BIRCH TERRACE MOBILE HOME COMMUNITY, PAW PAW LAKE MH PARK, HIDDEN CREEK ESTATES, EASTGATE VILLAGE MANUFACTURED HOMES +5 more
- Population Served:
- 43,892
- Systems With Violations:
- 83 of 86
- Major Violations:
- 3,877
- Enforcement Actions:
- 6,874
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.