JEFFERSON COUNTY PWSD 1
Missouri — Community Water System — PWSID: MO6024292
System Information
| PWSID | MO6024292 |
| System Name | JEFFERSON COUNTY PWSD 1 |
| 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 | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | ARNOLD |
| ZIP Code | 63010-0000 |
| Address | 2970 SCHNEIDER DR |
| Organization | DE VORE, ERIN |
| Phone | 636-296-0659 |
Population & Service
| Population Served | 21,113 |
| Service Connections | 7,558 |
Drinking Water Violations (2)
This water system has 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| — | — | — | 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.