What's in the Water in Topeka, KS?
Monitoring data for Topeka, Kansas shows 1 distinct contaminant detected in the public water supply — Haloacetic Acids (HAA5). Of these, 1 exceeded the EPA Maximum Contaminant Level.
Contaminants Detected in Topeka
| Contaminant | Detected | EPA Limit (MCL) | Status |
|---|---|---|---|
| Haloacetic Acids (HAA5) | 0.061 mg/l | 60 mg/l | Exceeds limit |
Detected levels are the highest reported across Topeka systems for each contaminant. MCL = EPA Maximum Contaminant Level, the legal safety ceiling. Source: EPA SDWIS monitoring data.
Safety & Violations
| Metric | Value |
|---|---|
| Average Safety Score | 64/100 (D worst) |
| Public Water Systems | 1 |
| Population Served | 125,963 |
| Health Violations | 1 |
| Monitoring Violations | 0 |
| Contaminant Exceedances | 1 |
| Enforcement Actions | 12 |
Frequently Asked Questions
Monitoring data for Topeka, Kansas shows 1 distinct contaminant detected in the public water supply — Haloacetic Acids (HAA5). Of these, 1 exceeded the EPA Maximum Contaminant Level.
The 1 public water system serving Topeka, Kansas (population 125,963) average a Water Safety Score of 64/100, with a worst grade of D. These systems have 1 health-based violation and 1 contaminant exceedance on record.
Topeka, Kansas is served by 1 public water system, together supplying water to roughly 125,963 people. The worst safety grade among them is D.
Yes. 1 contaminant exceeded the EPA Maximum Contaminant Level (MCL) in Topeka: Haloacetic Acids (HAA5). An exceedance means a detected level was higher than the legal safety limit at least once during monitoring.
The Water Safety Score (0-100, graded A-F) weighs health-based violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%), using EPA Safe Drinking Water Information System (SDWIS) data from the last 10 years.
Request your utility's annual Consumer Confidence Report (CCR), consider an independent test from a state-certified lab, and use an NSF-certified filter targeting any contaminant of concern. For lead specifically, run cold water 30 seconds before drinking.
More about Topeka
Monitoring data for Topeka, Kansas shows 1 distinct contaminant detected in the public water supply — Haloacetic Acids (HAA5). Of these, 1 exceeded the EPA Maximum Contaminant Level.
This answer pulls from the EPA Safe Drinking Water Information System (SDWIS), the authoritative federal source for U.S. public drinking-water safety. The headline number above is the direct answer; what follows is the additional context most readers need to use the answer for a real decision rather than just a fact lookup.
For readers turning this answer into action: cross-reference against the underlying the EPA Safe Drinking Water Information System (SDWIS) record before acting on time-sensitive decisions. The site renders the data as it was published; subsequent revisions can shift the picture, and the live federal data is always the authoritative current reference.
Source: EPA Ground Water and Drinking Water, 2026.