ONAGA, CITY OF
Kansas — Community Water System — PWSID: KS2014905
System Information
| PWSID | KS2014905 |
| System Name | ONAGA, CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 13, 1979 |
| Last Reported | Dec 15, 2025 |
Location & Contact
| State | Kansas |
| City | ONAGA |
| ZIP Code | 66521 |
| Address | 319 PROSPECT ST |
| Organization | KROHN, LYNN |
| Phone | 785-889-4456 |
Population & Service
| Population Served | 671 |
| Service Connections | 380 |
Drinking Water Violations (14)
This water system has 14 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | Lead and Copper Rule |
| May 1, 2011 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | Public Notice Rule and Revised PN Rule |
| May 1, 2011 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | Public Notice Rule and Revised PN Rule |
| May 1, 2011 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | Public Notice Rule and Revised PN Rule |
| May 1, 2011 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Apr 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | Total Coliform Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.