OLATHE, CITY OF Water Quality Report
Population
143,014
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 8
violations recorded
C
Fair
Safety Grade
8 violations in the past 5 years
System Details
- PWSID
- KS2009115
- Population Served
- 143,014
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Kansas
- EPA Region
- 7
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2920 | ⚠ Monitoring/Reporting | 2 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 2 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 2 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 4 |
| Contaminant 1008 | ⚠ Monitoring/Reporting | 2 |
Violation History
2025
2
2022
4
2021
2
2020
4
1992
1
Total violations on record: 13
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade C
Avg: B-C
13violations total
46% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 21× more people than the national average.