Public water system · AL0000940

Active

Douglas Water Authority

At a glance

Douglas Water Authority (PWSID AL0000940) is an active community water system in Marshall County, Alabama. It reports serving 19,179 people through 6,393 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, none is health-based, and the most recent began in January 2025.

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

Population served

19,179

Service connections

6,393

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDAL0000940

System typeCommunity water system

Activity statusActive

Population served19,179

Service connections6,393

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyAL state drinking water program

City servedDouglas

StateAlabama

ZIP—

CountyMarshall County

How does Douglas Water Authority compare with other water systems in Marshall County?

By EPA's size categories, Douglas Water Authority is a large system (10,001 to 100,000 people). Marshall County has 9 active public water systems, and Douglas Water Authority is the 3rd-largest of them by population served. Its population served is about 22% above the county average of 15,767 people per system, and accounts for 14% of the 141,900 people reported by systems filed under the county. Across Alabama, the 576 active systems average 11,028 people each. Nationally, the average active community water system reports serving 6,703 people, so Douglas Water Authority is about 186% above 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. Alabama has 505 active community water systems, 88% of the state's 576 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 302 Alabama systems (52%) list groundwater as their primary source.

Who owns and regulates Douglas Water Authority?

EPA lists Douglas Water Authority as owned by a local government. The AL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 9 active systems in Marshall County (100%) are also owned by a local government.

Does Douglas Water Authority have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2020 and January 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5), Arsenic and Picloram. EPA lists 10 as resolved and 2 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
2025-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Archived
2025-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Archived
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Arseniccode 1005	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Picloramcode 2040	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Berylliumcode 1075	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	1,2-Dibromo-3-chloropropane (DBCP)code 2931	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Atrazinecode 2050	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Di(2-ethylhexyl) adipatecode 2035	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Cyanidecode 1024	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitritecode 1041	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Thalliumcode 1085	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nickelcode 1036	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.

Douglas Water Authority: frequently asked questions

Who runs Douglas Water Authority?

Douglas Water Authority (PWSID AL0000940) is a community water system owned by a local government. It is regulated by the AL state drinking water program.

How many people does Douglas Water Authority serve?

Douglas Water Authority reports serving 19,179 people through 6,393 service connections in Marshall County, Alabama.

Where does Douglas Water Authority 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 Douglas Water Authority have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 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 Douglas Water Authority'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, none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AL state drinking water program.

Where can I find Douglas Water Authority's water quality report?

As a community water system, Douglas Water Authority 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 Marshall County

Water system	County	Population served	Type	Source
Arab, Water Works Board of the City of	Marshall	39,795	Community	Surface water
Albertville, Municipal Ub of the City of	Marshall	29,367	Community	Surface water
North Marshall Utilities	Marshall	15,300	Community	Surface water
Boaz Water & Sewer Board	Marshall	15,138	Community	Purchased surface water
Guntersville Ww & Sb	Marshall	13,374	Community	Surface water
Asbury Water System	Marshall	4,077	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, “Douglas Water Authority, PWSID AL0000940, Alabama”, https://aquacensus.com/water-systems/alabama/douglas-water-authority-al0000940 (data as of October 1, 2026).