Topeka Water Quality Summary
Topeka, City Of supplies drinking water to about 125,963 people in Topeka, Kansas, and draws from surface water (rivers, lakes, or reservoirs), which requires fuller treatment for runoff, sediment, and microbial risk. On the IsWaterSafe scale it earns a poor Water Safety Score of 64 out of 100 (Grade D), a composite of its EPA SDWIS violation and contaminant record.
EPA records show 1 health-based violation for this system. A health-based violation means a contaminant exceeded its legal EPA limit, the most serious category in the Safe Drinking Water Act. The system has 12 enforcement actions on file in response.
Among the single substance sampled, Haloacetic Acids (HAA5) is the clearest concern: a reading of 0.061 mg/l against an EPA limit (MCL) of 60 ppb, about 102% of the legal ceiling, sampled January 2018. In total, 1 contaminant exceedance is recorded for this system.
The most recent documented episode is a health-based violation involving Haloacetic Acids (HAA5), beginning January 2018 and marked resolved April 2018.
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Detected Contaminants
| Contaminant | Detected Level | MCL (Limit) | Status | Sample Date |
|---|---|---|---|---|
| Haloacetic Acids (HAA5) | 0.061 mg/l | 60 mg/l | Exceeds Limit | Jan 1, 2018 |
Violation History
Frequently Asked Questions
Topeka, City Of has a Water Safety Score of D (64/100). The system serves 125,963 people and has 1 health violation on record. Check the contaminant table above for specific detected substances.
Topeka, City Of has 1 contaminant exceedance above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.
The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.
If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.
Source: EPA Ground Water and Drinking Water, 2026.