Public water system · AR0000365
ActiveBlytheville Waterworks
At a glance
Blytheville Waterworks (PWSID AR0000365) is an active community water system in Mississippi County, Arkansas. It reports serving 12,981 people through 6,411 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,981
Service connections
6,411
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Blytheville Waterworks compare with other water systems in Mississippi County?
By EPA's size categories, Blytheville Waterworks is a large system (10,001 to 100,000 people). Mississippi County has 21 active public water systems, and Blytheville Waterworks is the largest of them by population served. Its population served is about 6.5 times the county average of 1,982 people per system, and accounts for 31% of the 41,629 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 Blytheville Waterworks is about twice 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 Blytheville Waterworks?
EPA lists Blytheville 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. 21 of the 21 active systems in Mississippi County (100%) are also owned by a local government.
Does Blytheville Waterworks have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2019. The violations listed here began between August 1998 and July 2019. By type: 3 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved and 1 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 |
|---|---|---|---|---|
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 4 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.
Blytheville Waterworks: frequently asked questions
Who runs Blytheville Waterworks?
Blytheville Waterworks (PWSID AR0000365) is a community water system owned by a local government. It is regulated by the AR state drinking water program.
How many people does Blytheville Waterworks serve?
Blytheville Waterworks reports serving 12,981 people through 6,411 service connections in Mississippi County, Arkansas.
Where does Blytheville 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 Blytheville Waterworks have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 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 Blytheville 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 4 violations for this system; 3 are health-based, and the most recent began in July 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 Blytheville Waterworks' water quality report?
As a community water system, Blytheville 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 Mississippi County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Osceola Waterworks | Mississippi | 6,053 | Community | Groundwater |
| Manila Waterworks | Mississippi | 4,165 | Community | Groundwater |
| Gosnell Water Association | Mississippi | 3,083 | Community | Groundwater |
| Buffalo Island Reg Water Dist | Mississippi + 2 more | 3,055 | Community | Purchased surface water |
| Leachville Waterworks | Mississippi | 2,030 | Community | Groundwater |
| Dogwood Water Association | Mississippi | 1,345 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Blytheville Waterworks, PWSID AR0000365, Arkansas”, https://aquacensus.com/water-systems/arkansas/blytheville-waterworks-ar0000365 (data as of October 1, 2026).