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SAND CREEK TRADING POST

South Dakota — Transient Non-Community — PWSID: WY5600300

System Information

PWSIDWY5600300
System NameSAND CREEK TRADING POST
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedNov 17, 2025

Location & Contact

StateSouth Dakota
CitySPEARFISH
ZIP Code57783
Address406 Maple Ave
OrganizationMOORE, JAMES
Phone307-643-2277

Population & Service

Population Served110
Service Connections5

Drinking Water Violations (55)

This water system has 55 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 — E. COLI MR No Yes — — — Resolved Jul 21, 2025 Ground Water Rule
May 1, 2025 May 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2025 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Mar 23, 2023 — Revised Total Coliform Rule Other No No — — — Resolved Jun 16, 2025 Revised Total Coliform Rule
Mar 23, 2023 — Revised Total Coliform Rule Other No No — — — Resolved Jun 16, 2025 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 27, 2022 Revised Total Coliform Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 27, 2022 Revised Total Coliform Rule
Jan 1, 2023 Dec 31, 2023 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2023 Nitrate Rule
Oct 26, 2022 — Revised Total Coliform Rule TT Yes No — — — Resolved Sep 14, 2024 Revised Total Coliform Rule
Oct 26, 2022 — Revised Total Coliform Rule TT Yes No — — — Resolved Sep 14, 2024 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Oct 1, 2022 Oct 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2022 Revised Total Coliform Rule
Sep 28, 2022 — E. COLI MR No Yes — — — Resolved Oct 3, 2022 Ground Water Rule
Sep 28, 2022 — E. COLI MR No Yes — — — Resolved Oct 3, 2022 Ground Water Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Mar 1, 2021 Mar 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2021 Revised Total Coliform Rule
Mar 1, 2021 Mar 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2021 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Dec 1, 2017 Dec 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2017 Revised Total Coliform Rule
Oct 1, 2015 Dec 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Jan 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Aug 14, 2013 — Groundwater Rule TT Yes No — — — Resolved Aug 23, 2014 Ground Water Rule
Aug 14, 2013 — Groundwater Rule TT Yes No — — — Resolved Aug 23, 2014 Ground Water Rule
Aug 14, 2013 — Groundwater Rule TT Yes No — — — Resolved Aug 23, 2014 Ground Water Rule
Jan 1, 2013 Dec 31, 2013 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2013 Nitrate Rule
Jun 1, 2012 Jun 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2012 Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2011 Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2011 Total Coliform Rule
Oct 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Oct 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Oct 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2010 Nitrate Rule

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.

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