Manhattan, KS 66502

4 water systems55,183 residents

Good water quality with few concerns

B

Score: 73/100

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

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

8

Contaminants Detected

143

Violations on Record

19

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count17 / 25
Violation History21 / 25
Contaminant Severity19 / 25
System Compliance4 / 15
Enforcement History0 / 10
Total Score73%

73 / 100 points

Recommended Water Filters

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

Consult a water quality specialist for personalized recommendations.

Manhattan vs KS & National Average

Detected Contaminants

8 contaminants detected across water systems serving this ZIP code

ContaminantCategory
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Lead and Copper RuleHeavy Metal
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism
ChlorineOther
Consumer Confidence RuleOther
Public NoticeOther

Water System Information

Systems Serving This ZIP:
ROCKY FORD MOBILE HOME COURT, MANHATTAN, CITY OF, WINTERWOOD ESTATES, TUTTLE CC MOBILE HOME PARK, LLC
Population Served:
55,183
Systems With Violations:
3 of 4
Major Violations:
24
Enforcement Actions:
138

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.