NISLAND
South Dakota — Community Water System — PWSID: SD4600225
System Information
| PWSID | SD4600225 |
| System Name | NISLAND |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | NISLAND |
| ZIP Code | 57762 |
| Address | PO BOX 144 |
| Organization | NISLAND |
| Phone | 6052572509 |
Population & Service
| Population Served | 206 |
| Service Connections | 117 |
Drinking Water Violations (543)
This water system has 543 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 6, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2024 | — | |
| Jul 1, 2024 | Jul 31, 2024 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2023 | — | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2023 | — | |
| Oct 1, 2023 | Oct 31, 2023 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2023 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Jul 16, 2018 | — | |
| Oct 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Jul 16, 2018 | — | |
| Oct 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Jul 16, 2018 | — | |
| Sep 29, 2017 | — | TT | Yes | No | — | — | — | Resolved | Jun 20, 2018 | — | |
| Sep 29, 2017 | — | TT | Yes | No | — | — | — | Resolved | Jun 20, 2018 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Sep 1, 2017 | Sep 30, 2017 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2017 | — | |
| Jan 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | Jun 20, 2018 | — | |
| Jan 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | Jun 20, 2018 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Jan 1, 2013 | Jan 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2013 | — | |
| Jan 1, 2013 | Jan 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2013 | — | |
| Jan 1, 2013 | Jan 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2013 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Jun 1, 2012 | — | TT | Yes | No | — | — | — | Resolved | Jun 28, 2012 | — | |
| Jun 1, 2012 | — | TT | Yes | No | — | — | — | Resolved | Jun 28, 2012 | — | |
| Aug 22, 2010 | — | MR | No | Yes | — | — | — | Resolved | Aug 31, 2010 | — | |
| Aug 22, 2010 | — | MR | No | Yes | — | — | — | Resolved | Aug 31, 2010 | — |
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.