IROQUOIS
South Dakota - Community Water System - PWSID: SD4600174
System Information
| PWSID | SD4600174 |
| System Name | IROQUOIS |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | IROQUOIS |
| ZIP Code | 57353 |
| Address | PO BOX 127 |
| Organization | IROQUOIS |
| Phone | 6055462232 |
Population & Service
| Population Served | 292 |
| Service Connections | 162 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Aug 8, 2006 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Aug 8, 2006 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Aug 8, 2006 | - | |
| Oct 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Aug 8, 2006 | - | |
| Jan 20, 1997 | Feb 19, 1997 | Other | No | No | - | 5% of samples | - | Archived | Feb 19, 1997 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Mar 7, 1980 | Mar 6, 1983 | MCL | Yes | No | 4 | 4.0 mg/L | - | Archived | Mar 6, 1983 | - | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 30, 1980 | - | |
| Jul 1, 1976 | Jun 30, 1980 | MR | No | No | - | 5 pCi/L | - | Archived | Jun 30, 1980 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.