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CROW CREEK SIOUX TRIBE WATER SYSTEM

South Dakota — Community Water System — PWSID: 084690439

System Information

PWSID084690439
System NameCROW CREEK SIOUX TRIBE WATER SYSTEM
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeNative American
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 4, 1980
Last ReportedNov 17, 2025

Location & Contact

StateSouth Dakota
CityFORT THOMPSON
ZIP Code57339
Address—
OrganizationBIG EAGLE, DON
Phone605-245-2544

Population & Service

Population Served130
Service Connections27

Drinking Water Violations (172)

This water system has 172 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
Dec 30, 2024 — Lead and Copper Rule MR No No — TT — Resolved Feb 11, 2025 Lead and Copper Rule
Oct 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Dec 17, 2024 Lead and Copper Rule
Sep 29, 2021 — Lead and Copper Rule MR No No — TT — Resolved Feb 18, 2022 Lead and Copper Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Sep 2, 2011 Consumer Confidence Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Sep 2, 2011 Consumer Confidence Rule
Oct 1, 2010 Dec 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2008 Dec 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2008 Total Coliform Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2006 Total Coliform Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2006 Total Coliform Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2006 Total Coliform Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Jul 25, 2006 Consumer Confidence Rule
Jan 1, 2005 Dec 31, 2007 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Dinoseb MR No No — 0.007 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 2,4,5-TP MR No No — 0.05 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 2,4-D MR No No — 0.07 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 2,4,5-TP MR No No — 0.05 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 2,4,5-TP MR No No — 0.05 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Endrin MR No No — 0.002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No No — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No No — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No No — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Dalapon MR No No — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 OXAMYL MR No No — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Endothall MR No No — 0.1 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Endothall MR No No — 0.1 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Endothall MR No No — 0.1 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 OXAMYL MR No No — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals

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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