Allendale County, South Carolina — public water systems
At a glance
8 active public water systems are filed under Allendale County, South Carolina in EPA's SDWIS records, together reporting 9,261 people served. The largest is Allendale Town of (Sc0310001), which reports serving 3,882 people. 4 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
8
Population served
9.3K
Community systems
4
Groundwater share
100%
How does Allendale County compare with other South Carolina counties?
Allendale County has the 37th-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 9,261 people served in total, the 42nd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 1,158 people, well below 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 Allendale County's drinking water come from?
By primary water source, Allendale County's active systems draw on groundwater (8, 100%). 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, Allendale Town of (Sc0310001), draws primarily on groundwater.
What kinds of water systems operate in Allendale County?
Allendale County's active systems break down as 4 community systems (50%), 2 non-transient non-community systems (25%) and 2 transient non-community systems (25%). 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 non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. 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 (50%) and private (50%).
Water systems in Allendale County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Allendale Town of (Sc0310001) | Allendale | 3,882 | Community | Groundwater |
| 2 | Allendale Industrial Park (Sc0320002) | Allendale | 2,694 | Community | Groundwater |
| 3 | Fairfax Town of (Sc0310004) | Allendale | 1,962 | Community | Groundwater |
| 4 | Ulmer Town of (Sc0310002) | Allendale | 245 | Community | Groundwater |
| 5 | Coosaw Ag LLC (Sc0371007) | Allendale | 145 | Transient non-community | Groundwater |
| 6 | West Fraser (Sc0330005) | Allendale | 137 | Non-transient non-community | Groundwater |
| 7 | Archroma Us Inc. (0330001) | Allendale | 100 | Non-transient non-community | Groundwater |
| 8 | Coosaw Farms Labor Camp (0371006) | Allendale | 96 | Transient non-community | Groundwater |
Allendale County water systems: frequently asked questions
How many public water systems are in Allendale County, South Carolina?
EPA's SDWIS records file 8 active public water systems under Allendale County, South Carolina: 4 community systems (50%), 2 non-transient non-community systems (25%) and 2 transient non-community systems (25%).
Who supplies drinking water in Allendale County, SC?
The largest community water systems filed under Allendale County are Allendale Town of (Sc0310001) (3,882 people served), Allendale Industrial Park (Sc0320002) (2,694 people served) and Fairfax Town of (Sc0310004) (1,962 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 Allendale County's drinking water come from groundwater or surface water?
Of the 8 active public water systems in Allendale County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Allendale Town of (Sc0310001), uses groundwater.
Where can I find a water quality report for Allendale 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 Allendale 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 Allendale 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
- Kershaw County· 11 systems
- Laurens County· 11 systems
- Lancaster County· 9 systems
- Edgefield County· 9 systems
- Bamberg County· 8 systems
- Cherokee 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 Allendale County, South Carolina”, https://aquacensus.com/water-systems/south-carolina/allendale (data as of October 1, 2026).