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Public water system · SC1010008

Active

Kiawah Island Utility (Sc1010008)

At a glance

Kiawah Island Utility (Sc1010008) (PWSID SC1010008) is an active community water system in Charleston County, South Carolina. It reports serving 9,550 people through 4,595 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2009.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

9,550

Service connections

4,595

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDSC1010008
System typeCommunity water system
Activity statusActive
Population served9,550
Service connections4,595
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencySC state drinking water program
City servedJohns Island (Sta.)
StateSouth Carolina
ZIP—
CountyCharleston County

How does Kiawah Island Utility (Sc1010008) compare with other water systems in Charleston County?

By EPA's size categories, Kiawah Island Utility (Sc1010008) is a medium system (3,301 to 10,000 people). Charleston County has 72 active public water systems, and Kiawah Island Utility (Sc1010008) is the 4th-largest of them by population served. Its population served is about 43% above the county average of 6,667 people per system, and accounts for 2% of the 480,015 people reported by systems filed under the county. Across South Carolina, the 1,392 active systems average 3,511 people each. Nationally, the average active community water system reports serving 6,703 people, so Kiawah Island Utility (Sc1010008) is about 42% above that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Carolina has 567 active community water systems, 41% of the state's 1,392 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 368 South Carolina systems (26%) list purchased surface water as their primary source.

Who owns and regulates Kiawah Island Utility (Sc1010008)?

EPA lists Kiawah Island Utility (Sc1010008) as owned by a local government. The SC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 13 of the 72 active systems in Charleston County (18%) are also owned by a local government.

Does Kiawah Island Utility (Sc1010008) have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2009. The violations listed here began between February 1992 and January 2009. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as resolved and 2 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2009-01-02Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved
1996-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1992-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1992-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 4 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Kiawah Island Utility (Sc1010008): frequently asked questions

Who runs Kiawah Island Utility (Sc1010008)?

Kiawah Island Utility (Sc1010008) (PWSID SC1010008) is a community water system owned by a local government. It is regulated by the SC state drinking water program.

How many people does Kiawah Island Utility (Sc1010008) serve?

Kiawah Island Utility (Sc1010008) reports serving 9,550 people through 4,595 service connections in Charleston County, South Carolina.

Where does Kiawah Island Utility (Sc1010008) get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Kiawah Island Utility (Sc1010008) have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2009. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Kiawah Island Utility (Sc1010008)'s water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.

Where can I find Kiawah Island Utility (Sc1010008)'s water quality report?

As a community water system, Kiawah Island Utility (Sc1010008) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Charleston County

Water systemCountyPopulation servedTypeSource
Charleston Water System (Sc1010001)Charleston327,422CommunitySurface water
Mt Pleasant Water Works (1010002)Charleston91,500CommunityPurchased surface water
St John'S Water (Sc1020002)Charleston22,592CommunityPurchased surface water
Isle of Palms W/S Comm (Sc1010004)Charleston9,530CommunityPurchased surface water
Seabrook Island Town of (1010009)Charleston5,939CommunityPurchased surface water
Folly Beach City of (1010005)Charleston5,086CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Kiawah Island Utility (Sc1010008), PWSID SC1010008, South Carolina”, https://aquacensus.com/water-systems/south-carolina/kiawah-island-utility-sc1010008-sc1010008 (data as of October 1, 2026).