BOONE COUNTY PWSD 9
Missouri - Community Water System - PWSID: MO3024058
System Information
| PWSID | MO3024058 |
| System Name | BOONE COUNTY PWSD 9 |
| 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 | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | COLUMBIA |
| ZIP Code | 65201-0000 |
| Address | 391 N RANGELINE RD |
| Organization | BALLEW, ROGER |
| Phone | 573-474-9521 |
Population & Service
| Population Served | 15,035 |
| Service Connections | 6,070 |
Drinking Water Violations (95)
This water system has 95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Aug 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Aug 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Aug 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Aug 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 13, 2025 | - | |
| Sep 1, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 7, 2021 | - | |
| Sep 1, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 7, 2021 | - | |
| Sep 1, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 7, 2021 | - | |
| Sep 1, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 7, 2021 | - | |
| Oct 1, 2005 | Sep 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | - | Resolved | Sep 30, 2006 | - | |
| Oct 1, 2005 | Sep 30, 2006 | MCL | Yes | No | 25.1 PCI/L | 15 pCi/L | - | Resolved | Sep 30, 2006 | - | |
| Oct 1, 2005 | Sep 30, 2006 | MCL | Yes | No | 8 PCI/L | 5 pCi/L | - | Resolved | Sep 30, 2006 | - | |
| Oct 1, 2005 | Sep 30, 2006 | MCL | Yes | No | 25.1 PCI/L | 15 pCi/L | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2005 | Jun 30, 2006 | MCL | Yes | No | 21.92 PCI/L | 15 pCi/L | - | Resolved | Jun 30, 2006 | - | |
| Jul 1, 2005 | Jun 30, 2006 | MCL | Yes | No | 7.15 PCI/L | 5 pCi/L | - | Resolved | Jun 30, 2006 | - | |
| Jul 1, 2005 | Jun 30, 2006 | MCL | Yes | No | 7.15 PCI/L | 5 pCi/L | - | Resolved | Jun 30, 2006 | - | |
| Jul 1, 2005 | Jun 30, 2006 | MCL | Yes | No | 21.92 PCI/L | 15 pCi/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2005 | Mar 31, 2006 | MCL | Yes | No | 6.7 PCI/L | 5 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Apr 1, 2005 | Mar 31, 2006 | MCL | Yes | No | 23.5 PCI/L | 15 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Apr 1, 2005 | Mar 31, 2006 | MCL | Yes | No | 6.7 PCI/L | 5 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Apr 1, 2005 | Mar 31, 2006 | MCL | Yes | No | 23.5 PCI/L | 15 pCi/L | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | 7.32 | 5 pCi/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | 7.32 | 5 pCi/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | 24 | 15 pCi/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | 24 | 15 pCi/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | 7.32 | 5 pCi/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MCL | Yes | No | 24 | 15 pCi/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2004 | Sep 30, 2005 | MCL | Yes | No | 25.5 | 15 pCi/L | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2004 | Sep 30, 2005 | MCL | Yes | No | 25.5 | 15 pCi/L | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2004 | Sep 30, 2005 | MCL | Yes | No | 25.5 | 15 pCi/L | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2004 | Sep 30, 2005 | MCL | Yes | No | 7.5 | 5 pCi/L | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2004 | Sep 30, 2005 | MCL | Yes | No | 7.5 | 5 pCi/L | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2004 | Sep 30, 2005 | MCL | Yes | No | 7.5 | 5 pCi/L | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2004 | Jun 30, 2005 | MCL | Yes | No | 25 | 15 pCi/L | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | Jun 30, 2005 | MCL | Yes | No | 7.5 | 5 pCi/L | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | Jun 30, 2005 | MCL | Yes | No | 25 | 15 pCi/L | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | Jun 30, 2005 | MCL | Yes | No | 7.5 | 5 pCi/L | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | Jun 30, 2005 | MCL | Yes | No | 7.5 | 5 pCi/L | - | Resolved | Jun 30, 2005 | - | |
| Jul 1, 2004 | Jun 30, 2005 | MCL | Yes | No | 25 | 15 pCi/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2004 | Mar 31, 2005 | MCL | Yes | No | 8.1 | 5 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Apr 1, 2004 | Mar 31, 2005 | MCL | Yes | No | 24.7 | 15 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Apr 1, 2004 | Mar 31, 2005 | MCL | Yes | No | 8.1 | 5 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Apr 1, 2004 | Mar 31, 2005 | MCL | Yes | No | 24.7 | 15 pCi/L | - | Resolved | Mar 31, 2005 | - | |
| Apr 1, 2004 | Mar 31, 2005 | MCL | Yes | No | 24.7 | 15 pCi/L | - | Resolved | Mar 31, 2005 | - |
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.