CUSTER-MOUNT RUSHMORE KOA-REAR/CG

South Dakota — Transient Non-Community — PWSID: SD4600650

System Information

PWSID	SD4600650
System Name	CUSTER-MOUNT RUSHMORE KOA-REAR/CG
System Type	Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Feb 2, 1981
Last Reported	Dec 9, 2025

Location & Contact

State	South Dakota
City	BLACK HAWK
ZIP Code	57718
Address	11985 QUAAL ROAD
Organization	CUSTER-MOUNT RUSHMORE KOA-REAR/CG
Phone	—

Population & Service

Population Served	146
Service Connections	67

Drinking Water Violations (72)

This water system has 72 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
Jun 1, 2016	—	Revised Total Coliform Rule	Other	No	No	—	—	—	Resolved	Jul 1, 2016	Revised Total Coliform Rule
Jun 1, 2016	—	Revised Total Coliform Rule	Other	No	No	—	—	—	Resolved	Jul 1, 2016	Revised Total Coliform Rule
Jul 1, 2013	Sep 30, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Jul 1, 2013	Sep 30, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Jul 1, 2013	Sep 30, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
Jun 5, 2011	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jun 26, 2012	Ground Water Rule
May 1, 2011	May 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2011	Total Coliform Rule
May 1, 2011	May 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2011	Total Coliform Rule
May 1, 2011	May 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2011	Total Coliform Rule
May 1, 2011	May 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2011	Total Coliform Rule
May 1, 2011	May 31, 2011	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2011	Total Coliform Rule
Nov 8, 2010	—	Public Notice	Other	No	No	—	—	—	Resolved	Aug 29, 2014	Public Notice Rule and Revised PN Rule
Nov 8, 2010	—	Public Notice	Other	No	No	—	—	—	Resolved	Aug 29, 2014	Public Notice Rule and Revised PN Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Jul 8, 2008	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 31, 2010	Public Notice Rule and Revised PN Rule
Jul 8, 2008	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 31, 2010	Public Notice Rule and Revised PN Rule
Jul 1, 2008	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 31, 2010	Public Notice Rule and Revised PN Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Aug 1, 2001	Aug 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2001	Total Coliform Rule
Aug 1, 2001	Aug 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2001	Total Coliform Rule
Aug 1, 2001	Aug 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2001	Total Coliform Rule
Jul 1, 2001	Jul 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2001	Total Coliform Rule
Jul 1, 2001	Jul 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2001	Total Coliform Rule
Jul 1, 2001	Jul 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2001	Total Coliform Rule
Jun 13, 2000	Jul 12, 2000	Coliform (TCR)	Other	No	No	—	5% of samples	—	Archived	Jul 12, 2000	Total Coliform Rule
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Resolved	Apr 30, 2000	Total Coliform Rule
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Resolved	Apr 30, 2000	Total Coliform Rule
Jan 1, 2000	Dec 31, 2000	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2000	Nitrate Rule
Sep 19, 1999	Oct 18, 1999	Coliform (TCR)	Other	No	No	—	5% of samples	—	Archived	Oct 18, 1999	Total Coliform Rule
Aug 1, 1999	Aug 31, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1999	Total Coliform Rule
Aug 1, 1999	Aug 31, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1999	Total Coliform Rule
May 15, 1999	Jun 14, 1999	Coliform (TCR)	Other	No	No	—	5% of samples	—	Archived	Jun 14, 1999	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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