TOLSTOY
South Dakota - Community Water System - PWSID: SD4600331
System Information
| PWSID | SD4600331 |
| System Name | TOLSTOY |
| System Type | Community Water System |
| Water Source | Surface 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 | TOLSTOY |
| ZIP Code | 57475 |
| Address | PO BOX 11 |
| Organization | TOLSTOY |
| Phone | - |
Population & Service
| Population Served | 36 |
| Service Connections | 44 |
Drinking Water Violations (215)
This water system has 215 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 9, 2024 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2024 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| Jul 1, 2022 | Jul 31, 2022 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Apr 1, 2022 | Apr 30, 2022 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2022 | - | |
| Apr 1, 2022 | Apr 30, 2022 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2022 | - | |
| Apr 1, 2022 | Apr 30, 2022 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2022 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Feb 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 10, 2017 | - | |
| Feb 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 10, 2017 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2009 | - | |
| Jan 30, 2009 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2011 | - | |
| Jan 30, 2009 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2011 | - | |
| Jan 30, 2009 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2011 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jul 28, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jul 28, 2004 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2002 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2002 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1999 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1999 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1998 | - |
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.