Public water system · SC1810003
ActiveSummerville Cpw (Sc1810003)
At a glance
Summerville Cpw (Sc1810003) (PWSID SC1810003) is an active community water system in Dorchester County, South Carolina. It reports serving 81,750 people through 28,305 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
81,750
Service connections
28,305
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Summerville Cpw (Sc1810003) compare with other water systems in Dorchester County?
By EPA's size categories, Summerville Cpw (Sc1810003) is a large system (10,001 to 100,000 people). Dorchester County has 55 active public water systems, and Summerville Cpw (Sc1810003) is the largest of them by population served. Its population served is about 27 times the county average of 3,010 people per system, and accounts for 49% of the 165,564 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 Summerville Cpw (Sc1810003) is about 12 times 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 Summerville Cpw (Sc1810003)?
EPA lists Summerville Cpw (Sc1810003) 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. 15 of the 55 active systems in Dorchester County (27%) are also owned by a local government.
Does Summerville Cpw (Sc1810003) have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2014. The violations listed here began between September 1984 and September 2014. By type: 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as archived and 3 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 |
|---|---|---|---|---|
| 2014-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1989-12-31 | Public notice, recordkeeping or otherNotification, Public · code 06 | Fluoridecode 1025 | No | Archived |
| 1986-09-04 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1984-09-21 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
All 7 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.
Summerville Cpw (Sc1810003): frequently asked questions
Who runs Summerville Cpw (Sc1810003)?
Summerville Cpw (Sc1810003) (PWSID SC1810003) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Summerville Cpw (Sc1810003) serve?
Summerville Cpw (Sc1810003) reports serving 81,750 people through 28,305 service connections in Dorchester County, South Carolina.
Where does Summerville Cpw (Sc1810003) 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 Summerville Cpw (Sc1810003) have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in September 2014. 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 Summerville Cpw (Sc1810003)'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 7 violations for this system; 2 are health-based, and the most recent began in September 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Summerville Cpw (Sc1810003)'s water quality report?
As a community water system, Summerville Cpw (Sc1810003) 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 Dorchester County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dcwa Knightsville (Sc1820001) | Dorchester | 40,141 | Community | Purchased surface water |
| Dcws Ashley Phosphate (Sc1820008) | Dorchester | 26,536 | Community | Purchased surface water |
| St George Town of (Sc1810001) | Dorchester | 2,300 | Community | Groundwater |
| Dcws/Clay Field Drive (Sc1850014) | Dorchester | 1,648 | Community | Purchased surface water |
| Lieber Correctional Institute (1870050) | Dorchester | 1,646 | Community | Groundwater |
| Dcws Southern Palms (Sc1850011) | Dorchester | 1,494 | 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, “Summerville Cpw (Sc1810003), PWSID SC1810003, South Carolina”, https://aquacensus.com/water-systems/south-carolina/summerville-cpw-sc1810003-sc1810003 (data as of October 1, 2026).