City of Osawatomie

PWSID: KS2012105

2 active violations (non-health-based)
This system has unresolved violations related to monitoring, reporting, or procedural requirements, but none involve contaminant levels exceeding EPA health limits.

This system has more violations on record than 93% of water systems in Kansas.

Violation trend: 4.2 per year over the last 5 years, down from 5.8 per year in the previous 5.

System Details

Population Served4,280
Service Connections1,665
Water SourceSurface Water
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityOsawatomie
EPA ZIP on File66064

Areas Served

  • Osawatomie, Miami County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0095 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0066 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0029 mg/L0.015 mg/LBelow Action Level

2 Active Violations

ContaminantViolationDateHealth-BasedStatus
7500Other2022-08-12Open
7500Other2022-08-12Open

Violation History (55 total)

ContaminantViolationDateHealth-BasedStatus
0300TT
Measured: 1.72 NTU
2024-11-01YesAcknowledged
0300TT
Measured: 1.72 NTU
2024-11-01YesReturned to Compliance
0300TT2024-11-01YesAcknowledged
0300TT2024-11-01YesReturned to Compliance
2456MCL
Measured: 0.0660 MG/L (limit: 0.0600 MG/L)
2024-07-01YesReturned to Compliance
2456MCL
Measured: 0.0660 MG/L (limit: 0.0600 MG/L)
2024-07-01YesAcknowledged
2456MCL
Measured: 0.0660 MG/L (limit: 0.0600 MG/L)
2024-07-01YesAcknowledged
2456MCL
Measured: 0.0660 MG/L (limit: 0.0600 MG/L)
2024-07-01YesReturned to Compliance
2456MCL
Measured: 0.0630 MG/L (limit: 0.0600 MG/L)
2024-04-01YesReturned to Compliance
2456MCL
Measured: 0.0630 MG/L (limit: 0.0600 MG/L)
2024-04-01YesAcknowledged
2456MCL
Measured: 0.0630 MG/L (limit: 0.0600 MG/L)
2024-04-01YesAcknowledged
2456MCL
Measured: 0.0630 MG/L (limit: 0.0600 MG/L)
2024-04-01YesReturned to Compliance
2456MCL
Measured: 0.0620 MG/L (limit: 0.0600 MG/L)
2024-01-01YesReturned to Compliance
2456MCL
Measured: 0.0620 MG/L (limit: 0.0600 MG/L)
2024-01-01YesAcknowledged
2456MCL
Measured: 0.0620 MG/L (limit: 0.0600 MG/L)
2024-01-01YesAcknowledged
2950MCL
Measured: 0.0810 MG/L (limit: 0.0800 MG/L)
2022-10-01YesReturned to Compliance
2950MCL
Measured: 0.0810 MG/L (limit: 0.0800 MG/L)
2022-10-01YesReturned to Compliance
2950MCL
Measured: 0.0810 MG/L (limit: 0.0800 MG/L)
2022-10-01YesAcknowledged
2950MCL
Measured: 0.0810 MG/L (limit: 0.0800 MG/L)
2022-10-01YesReturned to Compliance
2920TT2021-04-01YesReturned to Compliance
2920TT2021-04-01YesReturned to Compliance
0300MR2021-03-01 MajorReturned to Compliance
0300MR2021-03-01 MajorReturned to Compliance
0200MR2021-03-01 MajorReturned to Compliance
0200MR2021-03-01 MajorReturned to Compliance
2920TT
Measured: 0.9000 RATIO
2021-01-01YesReturned to Compliance
2920TT2021-01-01YesReturned to Compliance
2950MCL
Measured: 0.0850 MG/L (limit: 0.0800 MG/L)
2020-07-01YesReturned to Compliance
2456MCL
Measured: 0.0610 MG/L (limit: 0.0600 MG/L)
2020-04-01YesReturned to Compliance
2950MCL
Measured: 0.0840 MG/L (limit: 0.0800 MG/L)
2020-04-01YesReturned to Compliance
7500Other2019-10-31Returned to Compliance
8000MON2019-03-01 MajorReturned to Compliance
7500Other2019-01-25Returned to Compliance
7500Other2018-12-02Returned to Compliance
2920MR2018-07-01 MajorReturned to Compliance
8000MON2017-10-01Returned to Compliance
2920MR2017-10-01 MajorReturned to Compliance
2950MCL
Measured: 0.0900 MG/L (limit: 0.0800 MG/L)
2017-04-01YesReturned to Compliance
7500Other2017-04-01Returned to Compliance
7500Other2017-02-28Returned to Compliance
7500Other2017-02-18Returned to Compliance
2950MCL
Measured: 0.0810 MG/L (limit: 0.0800 MG/L)
2017-01-01YesReturned to Compliance
7500Other2016-11-27Returned to Compliance
7500Other2016-11-27Returned to Compliance
7500Other2016-11-17Returned to Compliance
2950MCL
Measured: 0.0930 MG/L (limit: 0.0800 MG/L)
2016-10-01YesReturned to Compliance
2456MCL
Measured: 0.0640 MG/L (limit: 0.0600 MG/L)
2016-07-01YesReturned to Compliance
2950MCL
Measured: 0.0930 MG/L (limit: 0.0800 MG/L)
2016-07-01YesReturned to Compliance
2456MCL
Measured: 0.0640 MG/L (limit: 0.0600 MG/L)
2015-04-01YesReturned to Compliance
2050MR2013-10-01 MajorReturned to Compliance

Showing 50 of 53 historical violations.

Understanding This Water System's Record

City of Osawatomie is a community water system water system that draws from surface water sources and serves a population of 4,280 in Osawatomie, Kansas. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.