MAYFIELD COLONY
South Dakota — Community Water System — PWSID: SD4602062
System Information
| PWSID | SD4602062 |
| System Name | MAYFIELD COLONY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 4, 1991 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | VIENNA |
| ZIP Code | 57271 |
| Address | JOE WALDNER |
| Organization | — |
| Phone | — |
Population & Service
| Population Served | 93 |
| Service Connections | 1 |
Drinking Water Violations (9)
This water system has 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 1993 | Jun 30, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1993 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1993 | — | |
| Dec 16, 1991 | Jan 15, 1992 | Other | No | No | — | — | — | Archived | Jan 15, 1992 | — | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | — | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | — | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | — | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1991 | — | |
| Jun 1, 1991 | Jun 30, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1991 | — | |
| Jun 1, 1991 | Jun 30, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1991 | — |
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.