Columbus, KS 66725
3 water systems • 4,383 residents
Poor water quality - filtration recommended
Score: 38/100
Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.
Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts
20
Contaminants Detected
263
Violations on Record
126
Health-Based Violations
0
Recent Violations
Grade Breakdown
38 / 100 points
Recommended Water Filters
- ✓Point-of-Use Carbon Filter (NSF-certified for lead)
- ✓Ultraviolet (UV) Purification
- ✓Whole Home Carbon Filter System
Consult a water quality specialist for personalized recommendations.
Columbus vs KS & National Average
Detected Contaminants
20 contaminants detected across water systems serving this ZIP code
| Contaminant | Category |
|---|---|
| Chlorite | Disinfection Byproduct |
| Lead and Copper Rule | Heavy Metal |
| LEAD AND COPPER RULE REVISIONS | Heavy Metal |
| Coliform (TCR) | Microorganism |
| 1,1,1-Trichloroethane | Other |
| CARBON, TOTAL | Other |
| Consumer Confidence Rule | Other |
| Interim Enhanced Surface Water Treatment Rule | Other |
| Long Term 2 Enhanced Surface Water Treatment Rule | Other |
| Public Notice | Other |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Other |
| Surface Water Treatment Rule | Other |
| Combined Radium (-226 and -228) | Radiological |
| 1,1-Dichloroethylene | Volatile Organic |
| 1,2-Dichloroethane | Volatile Organic |
| Benzene | Volatile Organic |
| Carbon tetrachloride | Volatile Organic |
| p-Dichlorobenzene | Volatile Organic |
| Trichloroethylene | Volatile Organic |
| Vinyl chloride | Volatile Organic |
Water System Information
- Systems Serving This ZIP:
- CHEROKEE CO RWD 4, COLUMBUS, CITY OF, PUBLIC WHOLESALE WSD 19
- Population Served:
- 4,383
- Systems With Violations:
- 3 of 3
- Major Violations:
- 103
- Enforcement Actions:
- 255
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.