Public water system · AR0000640
ActiveJohnson Township Water Assoc
At a glance
Johnson Township Water Assoc (PWSID AR0000640) is an active community water system in Union County, Arkansas. It reports serving 600 people through 330 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
600
Service connections
330
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Johnson Township Water Assoc compare with other water systems in Union County?
By EPA's size categories, Johnson Township Water Assoc is a small system (501 to 3,300 people). Union County has 25 active public water systems. Its population served is about 62% below the county average of 1,582 people per system, and accounts for 1.5% of the 39,541 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 Johnson Township Water Assoc is well 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 Johnson Township Water Assoc?
EPA lists Johnson Township Water Assoc 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. 13 of the 25 active systems in Union County (52%) are also owned by a local government.
Does Johnson Township Water Assoc have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2026. The violations listed here began between January 2019 and April 2026. By type: 6 public notice, recordkeeping or other, 4 contaminant level above the legal limit, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 9 as resolved and 3 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 |
|---|---|---|---|---|
| 2026-04-30 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2026-04-30 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2021-09-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-06-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-03-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
The 12 most recent 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.
Johnson Township Water Assoc: frequently asked questions
Who runs Johnson Township Water Assoc?
Johnson Township Water Assoc (PWSID AR0000640) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Johnson Township Water Assoc serve?
Johnson Township Water Assoc reports serving 600 people through 330 service connections in Union County, Arkansas.
Where does Johnson Township Water Assoc 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 Johnson Township Water Assoc have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2026. 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 Johnson Township Water Assoc's 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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Johnson Township Water Assoc's water quality report?
As a community water system, Johnson Township Water Assoc 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 Union County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| El Dorado Waterworks | Union | 17,932 | Community | Groundwater |
| Smackover Waterworks | Union | 2,821 | Community | Groundwater |
| Parkers Chapel Public Water | Union | 2,391 | Community | Groundwater |
| Wildwood Water Association | Union | 1,350 | Community | Groundwater |
| Faircrest Water Association | Union | 1,329 | Community | Groundwater |
| Old Union Public Water Authority | Union | 1,200 | 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, “Johnson Township Water Assoc, PWSID AR0000640, Arkansas”, https://aquacensus.com/water-systems/arkansas/johnson-township-water-assoc-ar0000640 (data as of October 1, 2026).