Poinsett County, Arkansas — public water systems
At a glance
12 active public water systems are filed under Poinsett County, Arkansas in EPA's SDWIS records, together reporting 117,437 people served. The largest is Jonesboro Water System, which reports serving 81,888 people. All 12 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
12
Population served
117.4K
Community systems
12
Groundwater share
100%
How does Poinsett County compare with other Arkansas counties?
Poinsett County has the 20th-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 117,437 people served in total, the 5th-largest county figure in the state and 3.8% of the statewide total. The average system here reports serving 9,786 people, about 172% above 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 Poinsett County's drinking water come from?
By primary water source, Poinsett County's active systems draw on groundwater (10, 83%) and purchased groundwater (2, 17%). 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, Jonesboro Water System, draws primarily on groundwater.
What kinds of water systems operate in Poinsett County?
Poinsett County's active systems break down as 12 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 Poinsett County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Jonesboro Water System | Poinsett + 2 more | 81,888 | Community | Groundwater |
| 2 | Trumann Waterworks | Poinsett | 10,000 | Community | Groundwater |
| 3 | Cross County Rural Water Sys | Poinsett + 5 more | 8,750 | Community | Groundwater |
| 4 | Crowleys Ridge Water Assoc | Poinsett | 3,873 | Community | Groundwater |
| 5 | Harrisburg Waterworks | Poinsett | 2,824 | Community | Groundwater |
| 6 | Marked Tree Waterworks | Poinsett | 2,610 | Community | Groundwater |
| 7 | Lepanto Waterworks | Poinsett | 2,231 | Community | Groundwater |
| 8 | Vanndale-Birdeye Water Assoc | Poinsett + 1 more | 2,174 | Community | Groundwater |
| 9 | Weiner Waterworks | Poinsett | 973 | Community | Groundwater |
| 10 | Tyronza Waterworks | Poinsett | 958 | Community | Groundwater |
| 11 | Northern Ohio Water Assoc | Poinsett | 720 | Community | Purchased groundwater |
| 12 | Heafer-Black Oak Water Assoc | Poinsett | 436 | Community | Purchased groundwater |
Also serving Poinsett County
These systems serve several counties, including Poinsett County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Buffalo Island Reg Water Dist | Mississippi + 2 more | 3,055 | Community | Purchased surface water |
Poinsett County water systems: frequently asked questions
How many public water systems are in Poinsett County, Arkansas?
EPA's SDWIS records file 12 active public water systems under Poinsett County, Arkansas: 12 community systems (100%). At least 1 more system is listed under another county but also serve Poinsett County.
Who supplies drinking water in Poinsett County, AR?
The largest community water systems filed under Poinsett County are Jonesboro Water System (81,888 people served), Trumann Waterworks (10,000 people served) and Cross County Rural Water Sys (8,750 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 Poinsett County's drinking water come from groundwater or surface water?
Of the 12 active public water systems in Poinsett County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Jonesboro Water System, uses groundwater.
Where can I find a water quality report for Poinsett 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. 12 community systems are filed under Poinsett 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 Poinsett 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
- Washington County· 14 systems
- Pulaski County· 14 systems
- Clay County· 13 systems
- Independence County· 13 systems
- Crittenden County· 12 systems
- Franklin 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 Poinsett County, Arkansas”, https://aquacensus.com/water-systems/arkansas/poinsett (data as of October 1, 2026).