Public water system · SC1010003
ActiveSullivans Island Town of (1010003)
At a glance
Sullivans Island Town of (1010003) (PWSID SC1010003) is an active community water system in Charleston County, South Carolina. It reports serving 2,521 people through 1,082 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; 2 are health-based, and the most recent began in June 1997.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,521
Service connections
1,082
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Sullivans Island Town of (1010003) compare with other water systems in Charleston County?
By EPA's size categories, Sullivans Island Town of (1010003) is a small system (501 to 3,300 people). Charleston County has 72 active public water systems. Its population served is about 62% below the county average of 6,667 people per system, and accounts for 0.5% 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 Sullivans Island Town of (1010003) is about 62% below 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 Sullivans Island Town of (1010003)?
EPA lists Sullivans Island Town of (1010003) 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 Sullivans Island Town of (1010003) have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in June 1997. The violations listed here began between January 1989 and June 1997. By type: 2 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Fluoride (2 of them). EPA lists 2 as archived and 2 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1997-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1994-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Fluoridecode 1025 | Yes | Resolved |
| 1989-01-25 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Fluoridecode 1025 | Yes | Archived |
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.
Sullivans Island Town of (1010003): frequently asked questions
Who runs Sullivans Island Town of (1010003)?
Sullivans Island Town of (1010003) (PWSID SC1010003) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Sullivans Island Town of (1010003) serve?
Sullivans Island Town of (1010003) reports serving 2,521 people through 1,082 service connections in Charleston County, South Carolina.
Where does Sullivans Island Town of (1010003) 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 Sullivans Island Town of (1010003) have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in June 1997. 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 Sullivans Island Town of (1010003)'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; 2 are health-based, and the most recent began in June 1997. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Sullivans Island Town of (1010003)'s water quality report?
As a community water system, Sullivans Island Town of (1010003) 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Charleston Water System (Sc1010001) | Charleston | 327,422 | Community | Surface water |
| Mt Pleasant Water Works (1010002) | Charleston | 91,500 | Community | Purchased surface water |
| St John'S Water (Sc1020002) | Charleston | 22,592 | Community | Purchased surface water |
| Kiawah Island Utility (Sc1010008) | Charleston | 9,550 | Community | Purchased surface water |
| Isle of Palms W/S Comm (Sc1010004) | Charleston | 9,530 | Community | Purchased surface water |
| Seabrook Island Town of (1010009) | Charleston | 5,939 | Community | Purchased 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, “Sullivans Island Town of (1010003), PWSID SC1010003, South Carolina”, https://aquacensus.com/water-systems/south-carolina/sullivans-island-town-of-1010003-sc1010003 (data as of October 1, 2026).