Clay County, Arkansas — public water systems
At a glance
13 active public water systems are filed under Clay County, Arkansas in EPA's SDWIS records, together reporting 22,599 people served. The largest is Clay Co Reg Water District, which reports serving 5,633 people. All 13 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
13
Population served
22.6K
Community systems
13
Groundwater share
100%
How does Clay County compare with other Arkansas counties?
Clay County has the 18th-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 22,599 people served in total, the 31st-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 1,738 people, about half of 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 Clay County's drinking water come from?
By primary water source, Clay County's active systems draw on groundwater (10, 77%) and purchased groundwater (3, 23%). 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, Clay Co Reg Water District, draws primarily on groundwater.
What kinds of water systems operate in Clay County?
Clay County's active systems break down as 13 community systems (100%). 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. EPA lists their owner types as local government (100%).
Water systems in Clay County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Clay Co Reg Water District | Clay + 2 more | 5,633 | Community | Groundwater |
| 2 | Piggott Waterworks | Clay | 4,620 | Community | Groundwater |
| 3 | Corning Waterworks | Clay | 3,388 | Community | Purchased groundwater |
| 4 | Lafe Regional Water Distribution Distric | Clay + 1 more | 2,583 | Community | Groundwater |
| 5 | St Francis River Reg Water Dd | Clay | 2,465 | Community | Groundwater |
| 6 | Rector Waterworks | Clay | 2,280 | Community | Groundwater |
| 7 | Greenway Waterworks | Clay | 322 | Community | Groundwater |
| 8 | Mc Dougal Waterworks | Clay | 271 | Community | Groundwater |
| 9 | Knobel Waterworks | Clay | 249 | Community | Groundwater |
| 10 | Pollard Waterworks | Clay | 247 | Community | Groundwater |
| 11 | St Francis Water System | Clay | 208 | Community | Groundwater |
| 12 | Peach Orchard Waterworks | Clay | 168 | Community | Purchased groundwater |
| 13 | Success Waterworks | Clay | 165 | Community | Purchased groundwater |
Clay County water systems: frequently asked questions
How many public water systems are in Clay County, Arkansas?
EPA's SDWIS records file 13 active public water systems under Clay County, Arkansas: 13 community systems (100%).
Who supplies drinking water in Clay County, AR?
The largest community water systems filed under Clay County are Clay Co Reg Water District (5,633 people served), Piggott Waterworks (4,620 people served) and Corning Waterworks (3,388 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 Clay County's drinking water come from groundwater or surface water?
Of the 13 active public water systems in Clay County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Clay Co Reg Water District, uses groundwater.
Where can I find a water quality report for Clay 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. 13 community systems are filed under Clay 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 Clay 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
- All Arkansas public water systems· 853 active
- Boone County· 14 systems
- Columbia County· 14 systems
- Washington County· 14 systems
- Pulaski County· 14 systems
- Independence County· 13 systems
- Poinsett County· 12 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 Clay County, Arkansas”, https://aquacensus.com/water-systems/arkansas/clay (data as of October 1, 2026).