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 | Feb 25, 2026 |
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 (33)
This water system has 33 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 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | — | |
| Oct 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | — | |
| Oct 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | — | |
| Oct 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2017 | — | |
| May 1, 2011 | — | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | — | |
| May 1, 2011 | — | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | — | |
| May 1, 2011 | — | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | — | |
| May 1, 2011 | — | Other | No | No | — | — | — | Resolved | Jan 6, 2017 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | — | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.010 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | No | — | 2 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jul 1, 2000 | — | Other | No | No | — | — | — | Resolved | Jul 6, 2000 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Jul 6, 2000 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.