LYON CO RWD 4
Kansas — Community Water System — PWSID: KS2011110
System Information
| PWSID | KS2011110 |
| System Name | LYON CO RWD 4 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | NEOSHO RAPIDS |
| ZIP Code | 66864 |
| Address | 501 MAIN ST |
| Organization | ZUMBRUNN, AMY |
| Phone | 620-342-6775 |
Population & Service
| Population Served | 980 |
| Service Connections | 395 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Oct 31, 2022 | — | MR | No | No | — | TT | — | Resolved | Nov 23, 2022 | — | |
| Oct 31, 2022 | — | MR | No | No | — | TT | — | Resolved | Nov 23, 2022 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Aug 20, 2001 | — | |
| Jul 1, 2000 | — | Other | No | No | — | — | — | Resolved | Sep 22, 2000 | — | |
| Oct 19, 1999 | — | Other | No | No | — | — | — | Resolved | Oct 21, 1999 | — | |
| Jan 1, 1994 | — | MR | No | No | — | TT | — | Resolved | Jul 29, 1994 | — | |
| Jul 1, 1993 | — | MR | No | No | — | TT | — | Resolved | Jan 24, 1994 | — | |
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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.