Public water system · AR0000813

Active

Cottonwood Water Association

At a glance

Cottonwood Water Association (PWSID AR0000813) is an active community water system in Boone County, Arkansas. It reports serving 820 people through 328 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2021.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

820

Service connections

328

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDAR0000813

System typeCommunity water system

Activity statusActive

Population served820

Service connections328

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyAR state drinking water program

City served—

StateArkansas

ZIP—

CountyBoone County

How does Cottonwood Water Association compare with other water systems in Boone County?

By EPA's size categories, Cottonwood Water Association is a small system (501 to 3,300 people). Boone County has 14 active public water systems, and Cottonwood Water Association is the 5th-largest of them by population served. Its population served is about 55% below the county average of 1,842 people per system, and accounts for 3.2% of the 25,789 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 Cottonwood Water Association 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 Cottonwood Water Association?

EPA lists Cottonwood Water Association 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. 8 of the 14 active systems in Boone County (57%) are also owned by a local government.

Does Cottonwood Water Association have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2021. The violations listed here began between August 2016 and May 2021. By type: 6 public notice, recordkeeping or other, 2 monitoring, 2 reporting, 1 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 as resolved and 1 as addressed. 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
2021-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2018-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2018-03-01	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2018-01-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Addressed
2017-11-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2017-09-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2016-12-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2016-09-01	Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A	Revised Total Coliform Rulecode 8000	No	Resolved
2016-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2016-08-01	Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A	Revised Total Coliform Rulecode 8000	No	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.

Cottonwood Water Association: frequently asked questions

Who runs Cottonwood Water Association?

Cottonwood Water Association (PWSID AR0000813) is a community water system owned by a local government. It is regulated by the AR state drinking water program.

How many people does Cottonwood Water Association serve?

Cottonwood Water Association reports serving 820 people through 328 service connections in Boone County, Arkansas.

Where does Cottonwood Water Association 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 Cottonwood Water Association have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in May 2021. 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 Cottonwood Water Association'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, one is health-based, and the most recent began in May 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the AR state drinking water program.

Where can I find Cottonwood Water Association's water quality report?

As a community water system, Cottonwood Water Association 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 Boone County

Water system	County	Population served	Type	Source
Harrison Waterworks	Boone	17,455	Community	Purchased surface water
Bergman Waterworks	Boone	3,285	Community	Groundwater
Diamond City Water	Boone	1,290	Community	Purchased surface water
Omaha Waterworks	Boone	1,188	Community	Purchased surface water
Alpena Waterworks	Boone	568	Community	Purchased surface water
Lead Hill Waterworks	Boone	525	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, “Cottonwood Water Association, PWSID AR0000813, Arkansas”, https://aquacensus.com/water-systems/arkansas/cottonwood-water-association-ar0000813 (data as of October 1, 2026).