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EAGLE BUTTE

South Dakota — Community Water System — PWSID: SD4600010

System Information

PWSIDSD4600010
System NameEAGLE BUTTE
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityEAGLE BUTTE
ZIP Code57625
AddressPO BOX 150
OrganizationEAGLE BUTTE
Phone6059648783

Population & Service

Population Served4,000
Service Connections900

Drinking Water Violations (48)

This water system has 48 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
Nov 15, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Oct 30, 2025 Revised Total Coliform Rule
Nov 15, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Oct 30, 2025 Revised Total Coliform Rule
Aug 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2017 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2017 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2010 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Aug 31, 2011 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2010 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Aug 31, 2011 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2010 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Aug 31, 2011 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2010 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 11, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2010 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 11, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2009 Jun 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2009 Jun 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No No — — — Resolved Aug 26, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No No — — — Resolved Aug 26, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No No — — — Resolved Aug 26, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 10, 2006 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Apr 10, 2006 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Jan 10, 2006 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Jan 10, 2006 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Oct 10, 2005 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Oct 10, 2005 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Jul 10, 2005 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Jul 10, 2005 — Public Notice Other No No — — — Resolved Jun 15, 2006 Public Notice Rule and Revised PN Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Jul 27, 2004 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Jul 27, 2004 Consumer Confidence Rule
Jan 1, 1996 Aug 12, 1997 Lead and Copper Rule MR No No — TT — Resolved Aug 12, 1997 Lead and Copper Rule
Mar 1, 1995 Mar 31, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Mar 31, 1995 Total Coliform Rule
Mar 1, 1995 Mar 31, 1995 Coliform (TCR) MR No No — 5% of samples — Archived Mar 31, 1995 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Coliform (TCR) MR No Yes — 5% of samples — Archived Oct 31, 1994 Total Coliform Rule
Oct 1, 1994 Oct 31, 1994 Coliform (TCR) MR No Yes — 5% of samples — Archived Oct 31, 1994 Total Coliform Rule
Jan 1, 1993 Dec 31, 1995 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1993 Dec 31, 1995 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 1995 Inorganic Chemicals
Jul 1, 1992 Apr 16, 1993 Lead and Copper Rule MR No No — TT — Resolved Apr 16, 1993 Lead and Copper Rule
Jul 1, 1992 Apr 16, 1993 Lead and Copper Rule MR No No — TT — Resolved Apr 16, 1993 Lead and Copper 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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