Public water system · AR0000243
ActiveDierks Water Works
At a glance
Dierks Water Works (PWSID AR0000243) is an active community water system in Howard County, Arkansas. It reports serving 1,317 people through 614 service connections. Its primary water source is surface water, 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 December 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,317
Service connections
614
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Dierks Water Works compare with other water systems in Howard County?
By EPA's size categories, Dierks Water Works is a small system (501 to 3,300 people). Howard County has 7 active public water systems, and Dierks Water Works is the 4th-largest of them by population served. Its population served is about 40% below the county average of 2,178 people per system, and accounts for 8.6% of the 15,243 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 Dierks Water Works 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 75 Arkansas systems (8.8%) list surface water as their primary source.
Who owns and regulates Dierks Water Works?
EPA lists Dierks Water Works 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. 5 of the 7 active systems in Howard County (71%) are also owned by a local government.
Does Dierks Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in December 2016. The violations listed here began between April 1994 and December 2016. By type: 5 required treatment not met, 5 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (7 of them). EPA lists 9 as resolved and 3 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2016-12-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2009-05-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2009-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2001-02-25 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2001-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2000-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1998-01-01 | Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1997-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 1997-09-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 1994-04-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
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.
Dierks Water Works: frequently asked questions
Who runs Dierks Water Works?
Dierks Water Works (PWSID AR0000243) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Dierks Water Works serve?
Dierks Water Works reports serving 1,317 people through 614 service connections in Howard County, Arkansas.
Where does Dierks Water Works get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Dierks Water Works 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 December 2016. 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 Dierks Water Works' 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 December 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.
Where can I find Dierks Water Works' water quality report?
As a community water system, Dierks Water Works 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 Howard County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nashville Rural Water Authority | Howard | 7,291 | Community | Purchased surface water |
| Nashville Waterworks | Howard | 4,153 | Community | Surface water |
| Mineral Springs Waterworks | Howard | 1,364 | Community | Groundwater |
| North Howard Rural Water Association | Howard | 710 | Community | Purchased surface water |
| Tollette Water | Howard | 346 | Community | Groundwater |
| Cottonshed Waterworks | Howard | 62 | 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, “Dierks Water Works, PWSID AR0000243, Arkansas”, https://aquacensus.com/water-systems/arkansas/dierks-water-works-ar0000243 (data as of October 1, 2026).