Marshall County, Alabama — public water systems
At a glance
9 active public water systems are filed under Marshall County, Alabama in EPA's SDWIS records, together reporting 141,900 people served. The largest is City of Arab, Water Works Board of the, which reports serving 39,795 people. All 9 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
9
Population served
141.9K
Community systems
9
Groundwater share
11.1%
How does Marshall County compare with other Alabama counties?
Marshall County has the 26th-most active public water systems among the 77 counties listed for active Alabama systems in EPA records; among the 68 with 3 or more systems, the median has 7. Its systems report 141,900 people served in total, the 11th-largest county figure in the state and 2.2% of the statewide total. The average system here reports serving 15,767 people, about 43% above the Alabama average of 11,028. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Marshall County's drinking water come from?
By primary water source, Marshall County's active systems draw on surface water (4, 44%), purchased surface water (4, 44%) and groundwater (1, 11%). Overall, 11% rely mainly on groundwater (including purchased groundwater) and 89% on surface water, compared with 60% and 40% across Alabama. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. The county's largest system, City of Arab, Water Works Board of the, draws primarily on surface water.
What kinds of water systems operate in Marshall County?
Marshall County's active systems break down as 9 community systems (100%). 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. EPA lists their owner types as local government (100%).
Water systems in Marshall County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Arab, Water Works Board of the City of | Marshall | 39,795 | Community | Surface water |
| 2 | Albertville, Municipal Ub of the City of | Marshall | 29,367 | Community | Surface water |
| 3 | Douglas Water Authority | Marshall | 19,179 | Community | Groundwater |
| 4 | North Marshall Utilities | Marshall | 15,300 | Community | Surface water |
| 5 | Boaz Water & Sewer Board | Marshall | 15,138 | Community | Purchased surface water |
| 6 | Guntersville Ww & Sb | Marshall | 13,374 | Community | Surface water |
| 7 | Asbury Water System | Marshall | 4,077 | Community | Purchased surface water |
| 8 | Union Grove Utility Board | Marshall | 3,072 | Community | Purchased surface water |
| 9 | Swearengin Water System | Marshall | 2,598 | Community | Purchased surface water |
Marshall County water systems: frequently asked questions
How many public water systems are in Marshall County, Alabama?
EPA's SDWIS records file 9 active public water systems under Marshall County, Alabama: 9 community systems (100%).
Who supplies drinking water in Marshall County, AL?
The largest community water systems filed under Marshall County are City of Arab, Water Works Board of the (39,795 people served), City of Albertville, Municipal Ub of the (29,367 people served) and Douglas Water Authority (19,179 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Marshall County's drinking water come from groundwater or surface water?
Of the 9 active public water systems in Marshall County, 11% draw mainly on groundwater and 89% on surface water, counting purchased supplies. The largest system, City of Arab, Water Works Board of the, uses surface water.
Where can I find a water quality report for Marshall County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 9 community systems are filed under Marshall County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Marshall County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Alabama water systems
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, “Public water systems in Marshall County, Alabama”, https://aquacensus.com/water-systems/alabama/marshall (data as of October 1, 2026).