F0/100
OSAWATOMIE, CITY OF — Water Quality Report 2026
Serving 4,280 people · Kansas
Water Source
Surface Water
County
—
System ID
KS2012105
Violations
63
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
8
Violations (last 5yr)
2
Unresolved
6
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Unresolved
Disinfection byproduct treatment technique failure
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About OSAWATOMIE, CITY OF
Is OSAWATOMIE, CITY OF water safe to drink?
OSAWATOMIE, CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 63 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OSAWATOMIE, CITY OF detected?
31 contaminants were tested in OSAWATOMIE, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OSAWATOMIE, CITY OF have any EPA violations?
Yes, OSAWATOMIE, CITY OF has 63 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MCL, Other. 19 are health-based violations.
How many people does OSAWATOMIE, CITY OF serve?
OSAWATOMIE, CITY OF serves approximately 4,280 people, Kansas. The system provides water to 1 community: Osawatomie.
What type of water does OSAWATOMIE, CITY OF provide?
OSAWATOMIE, CITY OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is KS2012105.
How does OSAWATOMIE, CITY OF compare to other utilities in Kansas?
OSAWATOMIE, CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Kansas state page for a full comparison of water systems.