NIANGUA RIVER OASIS
Missouri — Transient Non-Community — PWSID: MO5248306
System Information
| PWSID | MO5248306 |
| System Name | NIANGUA RIVER OASIS |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 23, 1993 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | LEBANON |
| ZIP Code | 65536-0000 |
| Address | 171 NRO ROAD |
| Organization | EVANS, MISSY |
| Phone | 417-532-6333 |
Population & Service
| Population Served | 200 |
| Service Connections | 34 |
Drinking Water Violations (26)
This water system has 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| May 1, 1998 | May 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | — | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | — | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | — | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | — | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | — |
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.