Public water system · AR0000431
ActiveHarrisburg Waterworks
At a glance
Harrisburg Waterworks (PWSID AR0000431) is an active community water system in Poinsett County, Arkansas. It reports serving 2,824 people through 1,348 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,824
Service connections
1,348
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Harrisburg Waterworks compare with other water systems in Poinsett County?
By EPA's size categories, Harrisburg Waterworks is a small system (501 to 3,300 people). Poinsett County has 12 active public water systems, and Harrisburg Waterworks is the 5th-largest of them by population served. Its population served is well below the county average of 9,786 people per system, and accounts for 2.4% of the 117,437 people reported by systems filed under the county. Across Arkansas, the 853 active systems average 3,592 people each. Nationally, the average active community water system reports serving 6,703 people, so Harrisburg Waterworks is about 58% below that figure.
What does “community water system” mean?
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. Arkansas has 660 active community water systems, 77% of the state's 853 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 461 Arkansas systems (54%) list groundwater as their primary source.
Who owns and regulates Harrisburg Waterworks?
EPA lists Harrisburg Waterworks as owned by a local government. The AR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 12 active systems in Poinsett County (100%) are also owned by a local government.
Does Harrisburg Waterworks have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021. The violations listed here began between March 2018 and September 2021. By type: 2 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 1 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-09-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-03-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Unaddressed |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Harrisburg Waterworks: frequently asked questions
Who runs Harrisburg Waterworks?
Harrisburg Waterworks (PWSID AR0000431) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Harrisburg Waterworks serve?
Harrisburg Waterworks reports serving 2,824 people through 1,348 service connections in Poinsett County, Arkansas.
Where does Harrisburg Waterworks get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Harrisburg Waterworks have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Harrisburg Waterworks' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in September 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Harrisburg Waterworks' water quality report?
As a community water system, Harrisburg Waterworks must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Poinsett County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jonesboro Water System | Poinsett + 2 more | 81,888 | Community | Groundwater |
| Trumann Waterworks | Poinsett | 10,000 | Community | Groundwater |
| Cross County Rural Water Sys | Poinsett + 5 more | 8,750 | Community | Groundwater |
| Crowleys Ridge Water Assoc | Poinsett | 3,873 | Community | Groundwater |
| Marked Tree Waterworks | Poinsett | 2,610 | Community | Groundwater |
| Lepanto Waterworks | Poinsett | 2,231 | Community | Groundwater |
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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, “Harrisburg Waterworks, PWSID AR0000431, Arkansas”, https://aquacensus.com/water-systems/arkansas/harrisburg-waterworks-ar0000431 (data as of October 1, 2026).