SIOUX FALLS KOA

South Dakota — Transient Non-Community — PWSID: SD4600707

System Information

PWSID	SD4600707
System Name	SIOUX FALLS KOA
System Type	Transient Non-Community
Water Source	Ground Water
Activity Status	Inactive
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	SIOUX FALLS
ZIP Code	57101
Address	PO BOX 963
Organization	SIOUX FALLS KOA
Phone	605-339-3616

Population & Service

Population Served	75
Service Connections	136

Drinking Water Violations (35)

This water system has 35 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
Jan 1, 2006	Dec 31, 2006	Nitrate	MCL	Yes	No	19	10 mg/L	—	Resolved	Oct 1, 2006	Nitrate Rule
Jan 1, 2006	Dec 31, 2006	Nitrate	MCL	Yes	No	19	10 mg/L	—	Resolved	Oct 1, 2006	Nitrate Rule
Nov 6, 2005	—	Public Notice	Other	No	No	—	—	—	Resolved	Oct 1, 2006	Public Notice Rule and Revised PN Rule
Aug 9, 2005	—	Public Notice	Other	No	No	—	—	—	Resolved	Oct 1, 2006	Public Notice Rule and Revised PN Rule
Jun 1, 2005	Jun 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2005	Total Coliform Rule
Jun 1, 2005	Jun 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2005	Total Coliform Rule
Jun 1, 2005	Jun 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2005	Total Coliform Rule
Jan 1, 2005	Dec 31, 2005	Nitrate	MCL	Yes	No	19	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Jan 1, 2005	Dec 31, 2005	Nitrate	MCL	Yes	No	19	10 mg/L	—	Resolved	Dec 31, 2005	Nitrate Rule
Oct 1, 2004	Oct 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2004	Total Coliform Rule
Oct 1, 2004	Oct 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2004	Total Coliform Rule
Oct 1, 2004	Oct 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2004	Total Coliform Rule
Sep 1, 2004	Sep 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2004	Total Coliform Rule
Sep 1, 2004	Sep 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2004	Total Coliform Rule
Sep 1, 2004	Sep 30, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2004	Total Coliform Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MCL	Yes	No	11	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Jan 1, 2003	Dec 31, 2003	Nitrate	MCL	Yes	No	14.9	10 mg/L	—	Resolved	Dec 31, 2003	Nitrate Rule
Jan 1, 2003	Dec 31, 2003	Nitrate	MCL	Yes	No	14.9	10 mg/L	—	Resolved	Dec 31, 2003	Nitrate Rule
Jan 1, 2002	Dec 31, 2002	Nitrate	MCL	Yes	No	11.8	10 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Jan 1, 2002	Dec 31, 2002	Nitrate	MCL	Yes	No	11.8	10 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Jan 1, 2002	Dec 31, 2002	Nitrate	MCL	Yes	No	11.8	10 mg/L	—	Resolved	Dec 31, 2002	Nitrate Rule
Jul 1, 2001	Jul 31, 2001	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Resolved	Jul 31, 2001	Total Coliform Rule
Jan 1, 2000	Dec 31, 2000	Nitrate	MCL	Yes	No	11.4	10 mg/L	—	Resolved	Dec 31, 2000	Nitrate Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Oct 14, 1996	Nov 13, 1996		Other	No	No	—	—	—	Archived	Nov 13, 1996	Miscellaneous Other Rules
Oct 1, 1996	Oct 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1996	Total Coliform Rule
Jan 1, 1994	Dec 31, 1994	Nitrate	MCL	Yes	No	13.9	10 mg/L	—	Resolved	Dec 31, 1994	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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