SHELL KNOB ELEMENTARY SCHOOL
Missouri — Non-Transient Non-Community — PWSID: MO5171119
System Information
| PWSID | MO5171119 |
| System Name | SHELL KNOB ELEMENTARY SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 3, 1982 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | SHELL KNOB |
| ZIP Code | 65747-0000 |
| Address | 24400 STATE HWY 39 |
| Organization | CONYAC, CHRIS |
| Phone | 417-858-6743 |
Population & Service
| Population Served | 200 |
| Service Connections | 1 |
Drinking Water Violations (86)
This water system has 86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2025 | Dec 31, 2025 | MON | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Apr 29, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Apr 29, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Apr 29, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Apr 29, 2025 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | No | — | — | — | Resolved | Aug 31, 2024 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2022 | — | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2022 | — | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2022 | — | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2022 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | — | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | — | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | — | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | — | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | — | |
| May 1, 2012 | May 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| May 1, 2012 | May 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| May 1, 2012 | May 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| May 1, 2012 | May 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2012 | — | |
| Jan 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Feb 24, 2015 | — | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | — | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | — | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2002 | — |
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.