Public water system · SC0750013
ActiveHarbor Island (Sc0750013)
At a glance
Harbor Island (Sc0750013) (PWSID SC0750013) is an active community water system in Beaufort County, South Carolina. It reports serving 1,039 people through 470 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in February 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,039
Service connections
470
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Harbor Island (Sc0750013) compare with other water systems in Beaufort County?
By EPA's size categories, Harbor Island (Sc0750013) is a small system (501 to 3,300 people). Beaufort County has 45 active public water systems. Its population served is well below the county average of 4,955 people per system, and accounts for 0.5% of the 222,959 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 Harbor Island (Sc0750013) is well 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 Harbor Island (Sc0750013)?
EPA lists Harbor Island (Sc0750013) 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. 9 of the 45 active systems in Beaufort County (20%) are also owned by a local government.
Does Harbor Island (Sc0750013) have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in February 2016. The violations listed here began between July 1997 and February 2016. By type: 6 monitoring and reporting, 4 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 9 as resolved and 3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2016-02-23 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2012-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2011-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-04-02 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2005-01-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1999-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1997-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1997-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
The 12 most recent 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.
Harbor Island (Sc0750013): frequently asked questions
Who runs Harbor Island (Sc0750013)?
Harbor Island (Sc0750013) (PWSID SC0750013) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Harbor Island (Sc0750013) serve?
Harbor Island (Sc0750013) reports serving 1,039 people through 470 service connections in Beaufort County, South Carolina.
Where does Harbor Island (Sc0750013) 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 Harbor Island (Sc0750013) have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in February 2016. 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 Harbor Island (Sc0750013)'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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in February 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Harbor Island (Sc0750013)'s water quality report?
As a community water system, Harbor Island (Sc0750013) 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 Beaufort County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bjw&Sa (Sc0720003) | Beaufort | 164,829 | Community | Surface water |
| Hilton Head Psd 1 (0720006) | Beaufort | 25,558 | Community | Purchased surface water |
| South Island Psd (Sc0720001) | Beaufort | 18,299 | Community | Groundwater |
| Fripp Island Psd (Sc0720002) | Beaufort | 3,536 | Community | Purchased surface water |
| Broad Creek Psd (Sc0720009) | Beaufort | 3,481 | Community | Purchased surface water |
| Water Oak Utility Co (Sc0750002) | Beaufort | 2,318 | 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, “Harbor Island (Sc0750013), PWSID SC0750013, South Carolina”, https://aquacensus.com/water-systems/south-carolina/harbor-island-sc0750013-sc0750013 (data as of October 1, 2026).