CASEY KEY PLAZA
Missouri - Transient Non-Community - PWSID: FL6584831
System Information
| PWSID | FL6584831 |
| System Name | CASEY KEY PLAZA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 20, 1987 |
| Last Reported | Feb 24, 2026 |
Location & Contact
| State | Missouri |
| City | ST. LOUIS |
| ZIP Code | 63177 |
| Address | P.O. BOX 771220 |
| Organization | CASEY KEY PLAZA LLC |
| Phone | 314-956-4186 |
Population & Service
| Population Served | 25 |
| Service Connections | 10 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2005 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| - | - | - | 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.