Darlington County, South Carolina — public water systems
At a glance
6 active public water systems are filed under Darlington County, South Carolina in EPA's SDWIS records, together reporting 69,227 people served. The largest is Darlington County W&Sa (Sc1620001), which reports serving 52,288 people. 4 are community water systems serving people where they live; the other 2 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
6
Population served
69.2K
Community systems
4
Groundwater share
100%
How does Darlington County compare with other South Carolina counties?
Darlington County has the 43rd-most active public water systems among the 58 counties listed for active South Carolina systems in EPA records; among the 46 with 3 or more systems, the median has 18. Its systems report 69,227 people served in total, the 20th-largest county figure in the state and 1.4% of the statewide total. The average system here reports serving 11,538 people, about 3.3 times the South Carolina average of 3,511. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Darlington County's drinking water come from?
By primary water source, Darlington County's active systems draw on groundwater (4, 67%) and purchased groundwater (2, 33%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 70% and 30% across South Carolina. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Darlington County W&Sa (Sc1620001), draws primarily on groundwater.
What kinds of water systems operate in Darlington County?
Darlington County's active systems break down as 4 community systems (67%) and 2 transient non-community systems (33%). 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. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as local government (67%) and private (33%).
Water systems in Darlington County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Darlington County W&Sa (Sc1620001) | Darlington | 52,288 | Community | Groundwater |
| 2 | Hartsville City of (Sc1610003) | Darlington | 8,711 | Community | Groundwater |
| 3 | Darlington City of (Sc1610001) | Darlington | 7,142 | Community | Groundwater |
| 4 | Lamar Town of (Sc1610004) | Darlington | 1,034 | Community | Purchased groundwater |
| 5 | Primo-Walmart (Sc1680002) | Darlington | 26 | Transient non-community | Purchased groundwater |
| 6 | Lakeview Club (Sc1670676) | Darlington | 26 | Transient non-community | Groundwater |
Darlington County water systems: frequently asked questions
How many public water systems are in Darlington County, South Carolina?
EPA's SDWIS records file 6 active public water systems under Darlington County, South Carolina: 4 community systems (67%) and 2 transient non-community systems (33%).
Who supplies drinking water in Darlington County, SC?
The largest community water systems filed under Darlington County are Darlington County W&Sa (Sc1620001) (52,288 people served), Hartsville City of (Sc1610003) (8,711 people served) and Darlington City of (Sc1610001) (7,142 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Darlington County's drinking water come from groundwater or surface water?
Of the 6 active public water systems in Darlington County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Darlington County W&Sa (Sc1620001), uses groundwater.
Where can I find a water quality report for Darlington County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 4 community systems are filed under Darlington County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Darlington County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More South Carolina water systems
- All South Carolina public water systems· 1,392 active
- Cherokee County· 8 systems
- Marlboro County· 8 systems
- Union County· 8 systems
- McCormick County· 7 systems
- Dillon County· 6 systems
- Marion County· 6 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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, “Public water systems in Darlington County, South Carolina”, https://aquacensus.com/water-systems/south-carolina/darlington (data as of October 1, 2026).