FORT PIERRE

South Dakota — Community Water System — PWSID: SD4600130

System Information

PWSID	SD4600130
System Name	FORT PIERRE
System Type	Community Water System
Water Source	Surface 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	FORT PIERRE
ZIP Code	57532
Address	PO BOX 700
Organization	FORT PIERRE
Phone	6052237690

Population & Service

Population Served	2,115
Service Connections	1,214

Drinking Water Violations (24)

This water system has 24 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, 2011	Dec 31, 2011	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2011	Inorganic Chemicals
Jan 1, 2011	Dec 31, 2011	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 2011	Inorganic Chemicals
Jan 1, 2001	Jan 31, 2001	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Resolved	Jan 31, 2001	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 1999	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 1999	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 1999	Total Coliform Rule
Jul 1, 1998	Dec 31, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1998	Lead and Copper Rule
Jul 1, 1998	Dec 31, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1998	Lead and Copper Rule
Jul 1, 1998	Dec 31, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 31, 1998	Lead and Copper Rule
Jan 1, 1998	Jun 30, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1998	Lead and Copper Rule
Jan 1, 1998	Jun 30, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1998	Lead and Copper Rule
Jan 1, 1998	Jun 30, 1998	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1998	Lead and Copper Rule
Sep 1, 1997	Sep 30, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1997	Total Coliform Rule
Sep 1, 1997	Sep 30, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1997	Total Coliform Rule
Aug 1, 1997	Aug 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1997	Total Coliform Rule
Aug 1, 1997	Aug 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1997	Total Coliform Rule
Aug 1, 1997	Aug 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1997	Total Coliform Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1995	Nitrate Rule
Jan 1, 1993	Dec 31, 1995	Asbestos	MR	No	Yes	—	7 MFL	—	Resolved	Dec 31, 1995	Inorganic Chemicals
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1992	Total Coliform Rule
Aug 1, 1991	Aug 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1991	Total Coliform 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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