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DINOSAUR MUSEUM

South Dakota — Transient Non-Community — PWSID: SD4601061

System Information

PWSIDSD4601061
System NameDINOSAUR MUSEUM
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedOct 1, 1985
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityRAPID CITY
ZIP Code57702
Address8973 S HIGHWAY 16
OrganizationDINOSAUR MUSEUM
Phone6053428140

Population & Service

Population Served500
Service Connections2

Drinking Water Violations (42)

This water system has 42 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 2, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 5, 2021 — Public Notice Other No No — — — Resolved Oct 3, 2022 Public Notice Rule and Revised PN Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
May 10, 2020 — Revised Total Coliform Rule TT Yes No — — — Resolved May 27, 2021 Revised Total Coliform Rule
May 10, 2020 — Revised Total Coliform Rule TT Yes No — — — Resolved May 27, 2021 Revised Total Coliform Rule
May 10, 2020 — Revised Total Coliform Rule TT Yes No — — — Resolved May 27, 2021 Revised Total Coliform Rule
Dec 16, 2018 — Public Notice Other No No — — — Resolved May 1, 2019 Public Notice Rule and Revised PN Rule
Sep 19, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved May 1, 2019 Revised Total Coliform Rule
Sep 19, 2018 — Revised Total Coliform Rule TT Yes No — — — Resolved May 1, 2019 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Jun 1, 2017 Jun 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2017 Revised Total Coliform Rule
Jun 1, 2017 Jun 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2017 Revised Total Coliform Rule
Jun 1, 2017 Jun 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2017 Revised Total Coliform Rule
May 30, 2017 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 27, 2017 Revised Total Coliform Rule
May 30, 2017 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 27, 2017 Revised Total Coliform Rule
May 30, 2017 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 27, 2017 Revised Total Coliform Rule
Oct 8, 2016 — Public Notice Other No No — — — Resolved Oct 3, 2022 Public Notice Rule and Revised PN Rule
Jun 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Jul 25, 2016 Revised Total Coliform Rule
Jun 1, 2016 — Revised Total Coliform Rule TT Yes No — — — Resolved Jun 27, 2016 Revised Total Coliform Rule
Jul 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Jul 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Jul 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Jul 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Jul 1, 2011 Jul 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2011 Total Coliform Rule
Jul 1, 2011 Jul 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2011 Total Coliform Rule
Jul 1, 2010 Sep 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2010 Total Coliform Rule
Jul 1, 2010 Sep 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2010 Total Coliform Rule
Jul 1, 2010 Sep 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2010 Total Coliform Rule
Jan 1, 2010 Dec 31, 2010 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrite MR No Yes — 1 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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