Calhoun County, Arkansas — public water systems
At a glance
7 active public water systems are filed under Calhoun County, Arkansas in EPA's SDWIS records, together reporting 6,758 people served. The largest is Hampton Waterworks, which reports serving 1,906 people. 6 are community water systems serving people where they live; the other 1 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
7
Population served
6.8K
Community systems
6
Groundwater share
100%
How does Calhoun County compare with other Arkansas counties?
Calhoun County has the 54th-most active public water systems among the 83 counties listed for active Arkansas systems in EPA records; among the 72 with 3 or more systems, the median has 10. Its systems report 6,758 people served in total, the 66th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 965 people, well below the Arkansas average of 3,592. 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 Calhoun County's drinking water come from?
By primary water source, Calhoun County's active systems draw on groundwater (6, 86%) and purchased groundwater (1, 14%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 63% and 37% across Arkansas. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Hampton Waterworks, draws primarily on groundwater.
What kinds of water systems operate in Calhoun County?
Calhoun County's active systems break down as 6 community systems (86%) and 1 non-transient non-community systems (14%). 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. EPA lists their owner types as local government (71%) and private (29%).
Water systems in Calhoun County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Hampton Waterworks | Calhoun | 1,906 | Community | Groundwater |
| 2 | Calhoun County Water Assn | Calhoun | 1,591 | Community | Groundwater |
| 3 | Shumaker Public Service Co | Calhoun | 1,399 | Community | Groundwater |
| 4 | Thornton Waterworks | Calhoun | 900 | Community | Groundwater |
| 5 | Locust Bayou Water Association | Calhoun | 531 | Community | Purchased groundwater |
| 6 | Harrell Waterworks | Calhoun | 296 | Community | Groundwater |
| 7 | Georgia Pacific Wood Products LLC | Calhoun | 135 | Non-transient non-community | Groundwater |
Calhoun County water systems: frequently asked questions
How many public water systems are in Calhoun County, Arkansas?
EPA's SDWIS records file 7 active public water systems under Calhoun County, Arkansas: 6 community systems (86%) and 1 non-transient non-community systems (14%).
Who supplies drinking water in Calhoun County, AR?
The largest community water systems filed under Calhoun County are Hampton Waterworks (1,906 people served), Calhoun County Water Assn (1,591 people served) and Shumaker Public Service Co (1,399 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 Calhoun County's drinking water come from groundwater or surface water?
Of the 7 active public water systems in Calhoun County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Hampton Waterworks, uses groundwater.
Where can I find a water quality report for Calhoun 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. 6 community systems are filed under Calhoun 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 Calhoun 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 Arkansas water systems
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 Calhoun County, Arkansas”, https://aquacensus.com/water-systems/arkansas/calhoun (data as of October 1, 2026).