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CUSTER MOUNTAIN CAMPGROUND

South Dakota — Transient Non-Community — PWSID: SD4600610

System Information

PWSIDSD4600610
System NameCUSTER MOUNTAIN CAMPGROUND
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 4, 1980
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityCUSTER
ZIP Code57730
AddressPO BOX 472
OrganizationCUSTER MOUNTAIN CAMPGROUND
Phone6056735440

Population & Service

Population Served72
Service Connections34

Drinking Water Violations (31)

This water system has 31 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 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2024 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 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
Oct 6, 2014 — Public Notice Other No No — — — Resolved Sep 30, 2015 Public Notice Rule and Revised PN Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Sep 1, 2013 Sep 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Aug 1, 2013 Aug 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2013 Total Coliform Rule
Jul 1, 2008 Sep 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2008 Total Coliform Rule
Jul 1, 2008 Sep 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2008 Total Coliform Rule
Jul 1, 2008 Sep 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2008 Total Coliform Rule
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Sep 30, 1997 Total Coliform Rule
Jul 1, 1996 Jul 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1996 Total Coliform Rule
Jun 1, 1996 Jun 30, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1996 Total Coliform Rule
Jun 1, 1996 Jun 30, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1996 Total Coliform Rule
Jun 1, 1996 Jun 30, 1996 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 1996 Total Coliform Rule
May 1, 1996 May 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1996 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1993 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1993 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1993 Total Coliform 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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