SAND CREEK TRADING POST
South Dakota - Transient Non-Community - PWSID: WY5600300
System Information
| PWSID | WY5600300 |
| System Name | SAND CREEK TRADING POST |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | SPEARFISH |
| ZIP Code | 57783 |
| Address | 406 Maple Ave |
| Organization | MOORE, JAMES |
| Phone | 307-643-2277 |
Population & Service
| Population Served | 110 |
| Service Connections | 5 |
Drinking Water Violations (93)
This water system has 93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 15, 2025 | - | MR | No | Yes | - | - | - | Resolved | Jul 21, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 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 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 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 | - | |
| Mar 23, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 16, 2025 | - | |
| Mar 23, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 16, 2025 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 27, 2022 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 27, 2022 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Oct 26, 2022 | - | TT | Yes | No | - | - | - | Resolved | Sep 14, 2024 | - | |
| Oct 26, 2022 | - | TT | Yes | No | - | - | - | Resolved | Sep 14, 2024 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Sep 28, 2022 | - | MR | No | Yes | - | - | - | Resolved | Oct 3, 2022 | - | |
| Sep 28, 2022 | - | MR | No | Yes | - | - | - | Resolved | Oct 3, 2022 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jun 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Jun 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Mar 1, 2021 | Mar 31, 2021 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2021 | - | |
| Mar 1, 2021 | Mar 31, 2021 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2021 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Mar 1, 2019 | Mar 31, 2019 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2019 | - | |
| Dec 1, 2017 | Dec 31, 2017 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Aug 14, 2013 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Aug 14, 2013 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Aug 14, 2013 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2013 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 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.