ELKTON

South Dakota — Community Water System — PWSID: SD4600117

System Information

PWSID	SD4600117
System Name	ELKTON
System Type	Community Water System
Water Source	Ground Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Feb 13, 1979
Last Reported	Dec 9, 2025

Location & Contact

State	South Dakota
City	ELKTON
ZIP Code	57026
Address	PO BOX 308
Organization	ELKTON
Phone	6055422401

Population & Service

Population Served	755
Service Connections	320

Drinking Water Violations (38)

This water system has 38 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, 2022	Jun 30, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2022	Revised Total Coliform Rule
Jun 1, 2022	Jun 30, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2022	Revised Total Coliform Rule
Jun 1, 2022	Jun 30, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2022	Revised Total Coliform Rule
Jul 7, 2017	—	Stage 1 Disinfectants and Disinfection Byproducts Rule	TT	Yes	No	—	—	—	Resolved	Aug 10, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 7, 2017	—	Stage 1 Disinfectants and Disinfection Byproducts Rule	TT	Yes	No	—	—	—	Resolved	Aug 10, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
Jul 1, 2004	Jul 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2004	Total Coliform Rule
Jul 1, 2004	Jul 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2004	Total Coliform Rule
Jul 1, 2004	Jul 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2004	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Jun 1, 1998	Jun 30, 1998	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jun 30, 1998	Total Coliform Rule
Mar 1, 1998	Mar 31, 1998	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Mar 31, 1998	Total Coliform Rule
Mar 1, 1998	Mar 31, 1998	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Mar 31, 1998	Total Coliform Rule
Nov 1, 1997	Nov 30, 1997	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1997	Total Coliform Rule
Nov 1, 1997	Nov 30, 1997	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1997	Total Coliform Rule
Dec 1, 1996	Dec 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1996	Total Coliform Rule
Dec 1, 1996	Dec 31, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 1996	Total Coliform Rule
Nov 1, 1996	Nov 30, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1996	Total Coliform Rule
Nov 1, 1996	Nov 30, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1996	Total Coliform Rule
Aug 1, 1993	Aug 31, 1993	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1993	Total Coliform Rule
Aug 1, 1993	Aug 31, 1993	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Aug 31, 1993	Total Coliform Rule
Nov 6, 1990	Dec 5, 1990		Other	No	No	—	—	—	Archived	Dec 5, 1990	Miscellaneous Other Rules
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Apr 18, 1989	Apr 17, 1992	Nitrate	MCL	Yes	No	23.8	10 mg/L	10	Archived	Apr 17, 1992	Nitrate Rule
Jul 1, 1976	Jun 30, 1980	Gross Alpha, Excl. Radon and U	MR	No	No	—	15 pCi/L	—	Archived	Jun 30, 1980	Radionuclides and Revised Rad Rule
Jul 1, 1976	Jun 30, 1980	Combined Radium (-226 and -228)	MR	No	No	—	5 pCi/L	—	Archived	Jun 30, 1980	Radionuclides and Revised Rad 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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