Public water system · AR0000402
ActiveHarmony Grove Water Assoc
At a glance
Harmony Grove Water Assoc (PWSID AR0000402) is an active community water system in Ouachita County, Arkansas. It reports serving 2,192 people through 917 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,192
Service connections
917
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Harmony Grove Water Assoc compare with other water systems in Ouachita County?
By EPA's size categories, Harmony Grove Water Assoc is a small system (501 to 3,300 people). Ouachita County has 10 active public water systems, and Harmony Grove Water Assoc is the 3rd-largest of them by population served. Its population served is about 11% below the county average of 2,473 people per system, and accounts for 8.9% of the 24,726 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 Harmony Grove 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 237 Arkansas systems (28%) list purchased surface water as their primary source.
Who owns and regulates Harmony Grove Water Assoc?
EPA lists Harmony Grove Water Assoc as privately owned. 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. 5 of the 10 active systems in Ouachita County (50%) are also privately owned.
Does Harmony Grove Water Assoc have drinking water violations?
EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2025. The violations listed here began between May 1996 and October 2025. By type: 7 contaminant level above the legal limit and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (3 of them). EPA lists 6 as archived, 2 as resolved and 1 as addressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2025-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Archived |
| 2015-09-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Addressed |
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Archived |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Archived |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1996-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 9 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.
Harmony Grove Water Assoc: frequently asked questions
Who runs Harmony Grove Water Assoc?
Harmony Grove Water Assoc (PWSID AR0000402) is a community water system privately owned. It is regulated by the AR state drinking water program.
How many people does Harmony Grove Water Assoc serve?
Harmony Grove Water Assoc reports serving 2,192 people through 917 service connections in Ouachita County, Arkansas.
Where does Harmony Grove Water Assoc get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Harmony Grove Water Assoc have any drinking water violations?
EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2025. 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 Harmony Grove 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. EPA's records list 9 violations for this system; 7 are health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Harmony Grove Water Assoc's water quality report?
As a community water system, Harmony Grove 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 Ouachita County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Camden Waterworks | Ouachita | 13,275 | Community | Surface water |
| Bearden Waterworks | Ouachita | 2,511 | Community | Groundwater |
| Hwy 4 24 Water Association | Ouachita | 2,135 | Community | Purchased surface water |
| Frenchport Water Association | Ouachita | 1,793 | Community | Purchased surface water |
| Stephens Waterworks | Ouachita | 1,100 | Community | Groundwater |
| Wire Road Water System | Ouachita | 830 | 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, “Harmony Grove Water Assoc, PWSID AR0000402, Arkansas”, https://aquacensus.com/water-systems/arkansas/harmony-grove-water-assoc-ar0000402 (data as of October 1, 2026).