Marengo County, Alabama — public water systems
At a glance
7 active public water systems are filed under Marengo County, Alabama in EPA's SDWIS records, together reporting 25,983 people served. The largest is Demopolis Water Works and Sewer Board, which reports serving 10,530 people. All 7 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
7
Population served
26K
Community systems
7
Groundwater share
85.7%
How does Marengo County compare with other Alabama counties?
Marengo County has the 37th-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 25,983 people served in total, the 47th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 3,712 people, about 66% below 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 Marengo County's drinking water come from?
By primary water source, Marengo County's active systems draw on groundwater (6, 86%) and purchased surface water (1, 14%). Overall, 86% rely mainly on groundwater (including purchased groundwater) and 14% on surface water, compared with 60% and 40% across Alabama. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Demopolis Water Works and Sewer Board, draws primarily on groundwater.
What kinds of water systems operate in Marengo County?
Marengo County's active systems break down as 7 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 Marengo County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Demopolis Water Works and Sewer Board | Marengo | 10,530 | Community | Groundwater |
| 2 | Linden, the Ub of the City of | Marengo | 5,103 | Community | Groundwater |
| 3 | South Marengo Co Water & Fire Pro Auth | Marengo | 4,416 | Community | Purchased surface water |
| 4 | Myrtlewood Water System | Marengo | 4,095 | Community | Groundwater |
| 5 | Thomaston Water Works & Gas Board | Marengo | 960 | Community | Groundwater |
| 6 | Sweet Water, the Ww & Sb of the Town of | Marengo | 465 | Community | Groundwater |
| 7 | Faunsdale Water Works | Marengo | 414 | Community | Groundwater |
Marengo County water systems: frequently asked questions
How many public water systems are in Marengo County, Alabama?
EPA's SDWIS records file 7 active public water systems under Marengo County, Alabama: 7 community systems (100%).
Who supplies drinking water in Marengo County, AL?
The largest community water systems filed under Marengo County are Demopolis Water Works and Sewer Board (10,530 people served), City of Linden, the Ub of the (5,103 people served) and South Marengo Co Water & Fire Pro Auth (4,416 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 Marengo County's drinking water come from groundwater or surface water?
Of the 7 active public water systems in Marengo County, 86% draw mainly on groundwater and 14% on surface water, counting purchased supplies. The largest system, Demopolis Water Works and Sewer Board, uses groundwater.
Where can I find a water quality report for Marengo 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. 7 community systems are filed under Marengo 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 Marengo 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 Marengo County, Alabama”, https://aquacensus.com/water-systems/alabama/marengo (data as of October 1, 2026).