DEERFIELD COLONY
South Dakota — Community Water System — PWSID: SD4602056
System Information
| PWSID | SD4602056 |
| System Name | DEERFIELD COLONY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 4, 1991 |
| Last Reported | Dec 9, 2025 |
Location & Contact
| State | South Dakota |
| City | IPSWICH |
| ZIP Code | 57451 |
| Address | 12434 364TH AVENUE |
| Organization | DEERFIELD COLONY |
| Phone | — |
Population & Service
| Population Served | 150 |
| Service Connections | 25 |
Drinking Water Violations (5)
This water system has 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2015 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Apr 13, 2015 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2000 | Oct 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2000 | Total Coliform Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | Total Coliform Rule |
| Nov 1, 1999 | Nov 30, 1999 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1999 | Total Coliform Rule |
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.