Winona, MS 38967

11 water systems9,772 residents

Severe water quality issues - filtration essential

F

Score: 19/100

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

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

14

Contaminants Detected

2,055

Violations on Record

29

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count11 / 25
Violation History2 / 25
Contaminant Severity22 / 25
System Compliance0 / 15
Enforcement History0 / 10
Total Score19%

19 / 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.

Winona vs MS & National Average

Detected Contaminants

14 contaminants detected across water systems serving this ZIP code

ContaminantCategory
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
LEAD AND COPPER RULE REVISIONSHeavy Metal
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism
ChlorineOther
Consumer Confidence RuleOther
Groundwater RuleOther
Public NoticeOther
Combined Radium (-226 and -228)Radiological
Combined UraniumRadiological
Gross Alpha, Excl. Radon and URadiological
Radium-226Radiological
Radium-228Radiological

Water System Information

Systems Serving This ZIP:
NORTH DISTRICT 1 WATER ASSN., HAYS CREEK W/A-MINERVA, HAYS CREEK W/A-MISSION ROAD, HAYS CREEK W/A-NEW LIBERTY, HAYS CREEK W/A-LEGION LAKE RD +5 more
Population Served:
9,772
Systems With Violations:
11 of 11
Major Violations:
1,902
Enforcement Actions:
2,052

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.