Lancaster County, South Carolina — public water systems
At a glance
9 active public water systems are filed under Lancaster County, South Carolina in EPA's SDWIS records, together reporting 96,861 people served. The largest is Lancaster County W&Sd (Sc2920001), which reports serving 79,107 people. 5 are community water systems serving people where they live; the other 4 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
9
Population served
96.9K
Community systems
5
Groundwater share
22.2%
How does Lancaster County compare with other South Carolina counties?
Lancaster County has the 35th-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 96,861 people served in total, the 16th-largest county figure in the state and 2% of the statewide total. The average system here reports serving 10,762 people, about 3.1 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 Lancaster County's drinking water come from?
By primary water source, Lancaster County's active systems draw on purchased surface water (6, 67%), groundwater (2, 22%) and surface water (1, 11%). Overall, 22% rely mainly on groundwater (including purchased groundwater) and 78% on surface water, compared with 70% and 30% across South Carolina. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Lancaster County W&Sd (Sc2920001), draws primarily on purchased surface water.
What kinds of water systems operate in Lancaster County?
Lancaster County's active systems break down as 5 community systems (56%) and 4 transient non-community systems (44%). 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 private (44%), local government (44%) and public/private partnership (11%).
Water systems in Lancaster County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Lancaster County W&Sd (Sc2920001) | Lancaster | 79,107 | Community | Purchased surface water |
| 2 | Lancaster City of (Sc2910001) | Lancaster | 14,074 | Community | Purchased surface water |
| 3 | Kershaw Town of (Sc2910003) | Lancaster | 2,567 | Community | Purchased surface water |
| 4 | Heath Springs Town of (Sc2910002) | Lancaster | 947 | Community | Purchased surface water |
| 5 | Catawba Falls Event Center | Lancaster | 60 | Transient non-community | Groundwater |
| 6 | Dooley Farm #1 (2970907) | Lancaster | 30 | Transient non-community | Groundwater |
| 7 | Primo-Walmart 1030 (Sc2980001) | Lancaster | 26 | Transient non-community | Purchased surface water |
| 8 | H2o Depot | Lancaster | 25 | Transient non-community | Purchased surface water |
| 9 | Catawba River Wsp (2920002) | Lancaster | 25 | Community | Surface water |
Lancaster County water systems: frequently asked questions
How many public water systems are in Lancaster County, South Carolina?
EPA's SDWIS records file 9 active public water systems under Lancaster County, South Carolina: 5 community systems (56%) and 4 transient non-community systems (44%).
Who supplies drinking water in Lancaster County, SC?
The largest community water systems filed under Lancaster County are Lancaster County W&Sd (Sc2920001) (79,107 people served), Lancaster City of (Sc2910001) (14,074 people served) and Kershaw Town of (Sc2910003) (2,567 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 Lancaster County's drinking water come from groundwater or surface water?
Of the 9 active public water systems in Lancaster County, 22% draw mainly on groundwater and 78% on surface water, counting purchased supplies. The largest system, Lancaster County W&Sd (Sc2920001), uses purchased surface water.
Where can I find a water quality report for Lancaster 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. 5 community systems are filed under Lancaster 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 Lancaster 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
- Chesterfield County· 12 systems
- Calhoun County· 11 systems
- Kershaw County· 11 systems
- Laurens County· 11 systems
- Edgefield County· 9 systems
- Allendale County· 8 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 Lancaster County, South Carolina”, https://aquacensus.com/water-systems/south-carolina/lancaster (data as of October 1, 2026).