Public water system · AR0000339
ActiveCarlisle Waterworks
At a glance
Carlisle Waterworks (PWSID AR0000339) is an active community water system in Lonoke County, Arkansas. It reports serving 2,300 people through 932 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in April 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,300
Service connections
932
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Carlisle Waterworks compare with other water systems in Lonoke County?
By EPA's size categories, Carlisle Waterworks is a small system (501 to 3,300 people). Lonoke County has 12 active public water systems. Its population served is about 42% below the county average of 3,944 people per system, and accounts for 4.9% of the 47,326 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 Carlisle Waterworks is about 66% 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 Carlisle Waterworks?
EPA lists Carlisle 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. 11 of the 12 active systems in Lonoke County (92%) are also owned by a local government.
Does Carlisle Waterworks have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in April 2019. The violations listed here began between September 1992 and April 2019. By type: 2 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-04-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1996-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 3 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.
Carlisle Waterworks: frequently asked questions
Who runs Carlisle Waterworks?
Carlisle Waterworks (PWSID AR0000339) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Carlisle Waterworks serve?
Carlisle Waterworks reports serving 2,300 people through 932 service connections in Lonoke County, Arkansas.
Where does Carlisle 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 Carlisle Waterworks have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in April 2019. 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 Carlisle 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 3 violations for this system; 2 are health-based, and the most recent began in April 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Carlisle Waterworks' water quality report?
As a community water system, Carlisle 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 Lonoke County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Grand Prairie Bayou 2 Pwa | Lonoke | 13,519 | Community | Purchased surface water |
| Ward Waterworks | Lonoke | 12,579 | Community | Purchased surface water |
| Lonoke Waterworks | Lonoke | 4,277 | Community | Groundwater |
| Des Arc Waterworks | Lonoke + 1 more | 4,245 | Community | Groundwater |
| Austin Waterworks | Lonoke | 3,600 | Community | Purchased surface water |
| Furlow Public Water Authority | Lonoke | 3,073 | Community | Purchased surface water |
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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, “Carlisle Waterworks, PWSID AR0000339, Arkansas”, https://aquacensus.com/water-systems/arkansas/carlisle-waterworks-ar0000339 (data as of October 1, 2026).