HARBOR ISLAND (SC0750013)

South Carolina — Community Water System — PWSID: SC0750013

System Information

PWSID	SC0750013
System Name	HARBOR ISLAND (SC0750013)
System Type	Community Water System
Water Source	Surface Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	04
Serves School	No
Wholesaler	No
First Reported	Feb 10, 1979
Last Reported	Dec 4, 2025

Location & Contact

State	South Carolina
City	KIAWAH ISLAND
ZIP Code	29455
Address	KIAWAH ISLAND UTILITY, INC.
Organization	DENNIS, BECKY J
Phone	843-768-0641

Population & Service

Population Served	1,039
Service Connections	470

Drinking Water Violations (51)

This water system has 51 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
Feb 23, 2016	—	TTHM	MR	No	No	—	0.080 mg/L	—	Resolved	Apr 6, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 23, 2016	—	TTHM	MR	No	No	—	0.080 mg/L	—	Resolved	Apr 6, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 23, 2016	—	TTHM	MR	No	No	—	0.080 mg/L	—	Resolved	Apr 6, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 23, 2016	—	TTHM	MR	No	No	—	0.080 mg/L	—	Resolved	Apr 6, 2016	Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	Total Coliform Rule
Jul 1, 2012	Jul 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jul 31, 2012	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, 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
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Jul 2, 2009	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jul 2, 2010	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2009	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jul 2, 2010	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2009	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jul 2, 2010	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2009	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jul 2, 2010	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2009	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jul 2, 2010	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2007	Consumer Confidence Rule
Jul 1, 2007	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2007	Consumer Confidence Rule
Jul 1, 2007	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 17, 2007	Consumer Confidence Rule
Apr 2, 2007	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jan 27, 2011	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 2, 2007	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jan 27, 2011	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 2, 2007	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jan 27, 2011	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 2, 2007	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jan 27, 2011	Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 2, 2007	—	Stage 2 Disinfectants and Disinfection Byproducts Rule	MR	No	No	—	—	—	Resolved	Jan 27, 2011	Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Aug 29, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Aug 29, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Aug 29, 2006	Lead and Copper Rule
Jan 1, 2005	—	Lead and Copper Rule	TT	Yes	No	—	TT	—	Resolved	Aug 29, 2006	Lead and Copper Rule
Jan 1, 1999	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 10, 2001	Lead and Copper Rule
Jan 1, 1999	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 10, 2001	Lead and Copper Rule
Aug 1, 1997	Aug 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1997	Total Coliform Rule
Aug 1, 1997	Aug 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1997	Total Coliform Rule
Jul 1, 1997	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Oct 10, 1998	Lead and Copper 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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