GFP 5-C/TWIN LAKES RECREATION AREA
South Dakota — Transient Non-Community — PWSID: SD4600826
System Information
| PWSID | SD4600826 |
| System Name | GFP 5-C/TWIN LAKES RECREATION AREA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | State |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1982 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | MADISON |
| ZIP Code | 57042 |
| Address | GEORGE FLANNERY |
| Organization | — |
| Phone | 605-256-3613 |
Population & Service
| Population Served | 70 |
| Service Connections | 1 |
Drinking Water Violations (26)
This water system has 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | — | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | — | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Sep 10, 1993 | Oct 9, 1993 | Other | No | No | — | — | — | Archived | Oct 9, 1993 | — | |
| 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 9, 1992 | Jan 8, 1993 | Other | No | No | — | — | — | Archived | Jan 8, 1993 | — | |
| Nov 10, 1992 | Dec 9, 1992 | Other | No | No | — | — | — | Archived | Dec 9, 1992 | — | |
| Nov 10, 1992 | Dec 9, 1992 | Other | No | No | — | — | — | Archived | Dec 9, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1992 | — | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1992 | — | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1992 | — | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1992 | — | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1992 | — | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1992 | — | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1992 | — | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1992 | — | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1992 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| — | — | — | 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.