Free Alabama water report: PFAS & lead levels for every water system, worst-affected cities, and EPA violations. Check your ZIP.
Alabama's drinking water comes from a mix of surface water and groundwater, with the state's rivers doing most of the heavy lifting. The Tennessee River system serves the northern third of the state, the Black Warrior and Coosa rivers supply central Alabama, and the Mobile River basin – one of the most biodiverse river systems in North America – feeds the southern and coastal regions. The Gulf Coast brings additional complexity, with low-lying communities vulnerable to saltwater intrusion and storm surge contamination. Roughly 5.1 million residents depend on approximately 580 public water systems, ranging from large municipal utilities in Birmingham and Huntsville to small community systems serving a few hundred people in rural counties.
The Alabama Department of Environmental Management (ADEM) oversees drinking water quality. Like many southeastern states, Alabama faces a split reality: larger utilities generally meet federal standards, while smaller, underfunded systems in rural areas struggle with aging infrastructure and inconsistent monitoring. Groundwater supplies about 40% of the state's drinking water, particularly in the southern half where the Coastal Plain aquifer system provides most residential wells.
PFAS testing in Alabama has expanded significantly under the EPA's Fifth Unregulated Contaminant Monitoring Rule (UCMR5), and the results have drawn attention to contamination patterns that were previously invisible. Agricultural runoff – from a state where poultry and cotton farming dominate the landscape – introduces pesticides and nutrients into surface water, but the PFAS story in Alabama centers more on military and industrial sources.
ADEM has been conducting targeted PFAS sampling around known contamination sites since 2020. The EPA's UCMR5 data has confirmed detections at multiple public water systems across the state, though concentrations vary widely. Communities near industrial facilities that manufactured or used PFAS-containing products have shown some of the highest readings. The Tennessee River, which receives discharge from industrial operations in multiple states before reaching Alabama, carries PFAS compounds that affect downstream utilities.
Alabama does not currently have state-specific PFAS maximum contaminant levels (MCLs). The state follows federal EPA standards, including the 2024 final rule establishing enforceable MCLs for PFOA and PFOS at 4 parts per trillion (ppt) each. This means Alabama utilities are now on the federal compliance timeline but lack the additional state-level protections that states like Michigan or New Jersey have adopted.
Anniston Army Depot is the most prominent military contamination site in Alabama. Located in Calhoun County in the northeastern part of the state, the depot has a long history of PFAS use through aqueous film-forming foam (AFFF) in firefighting training exercises. PFAS compounds have been detected in groundwater monitoring wells on and around the installation, and the Department of Defense has acknowledged the contamination.
Beyond Anniston, several other military installations in Alabama have been flagged for PFAS investigation, including Redstone Arsenal near Huntsville and Maxwell Air Force Base in Montgomery. The Department of Defense's PFAS Task Force has identified these sites for assessment, though remediation timelines vary. Redstone Arsenal, which houses NASA's Marshall Space Flight Center alongside Army operations, sits adjacent to the Tennessee River – a source water for downstream communities.
For residents near these installations, the concern is not just current contamination levels but the direction of contamination plumes in groundwater. PFAS compounds are persistent – they do not break down naturally – and plumes can migrate over years and decades. Our military bases page tracks confirmed PFAS sites across all branches.
Alabama's regulatory approach to PFAS has been reactive rather than proactive. ADEM has increased monitoring in response to federal requirements but has not moved to establish state-specific MCLs or notification levels that go beyond EPA standards. This places Alabama behind states like California, Michigan, and New York, which have adopted stricter thresholds.
The state's UCMR5 participation has generated new data that was not previously available. Under UCMR5, public water systems serving more than 3,300 people were required to test for 29 PFAS compounds between 2023 and 2025. Results from Alabama systems have shown detections at a range of levels, with some systems reporting non-detects and others showing concentrations approaching or exceeding the new federal MCLs.
ADEM publishes annual water quality reports for permitted systems, and utilities are required to issue Consumer Confidence Reports (CCRs) annually. However, smaller systems and private wells fall outside this reporting structure. According to the USGS, approximately 15% of Alabama residents rely on private wells, which are not subject to federal or state testing mandates.
For a deeper look at PFAS science and health effects, see our PFAS guide.
Whether you are in Birmingham on treated surface water or in a rural county on a private well, understanding your specific water quality starts with data.
1. Check your ZIP code using our free tool at the homepage. We compile federal, state, and utility monitoring data so you can see what has been measured in your area. 2. If you are on a private well, testing is your responsibility – the state does not test private wells for PFAS. Contact a certified lab for a PFAS panel, typically costing $200-400. 3. Review filtration options if PFAS or other contaminants show up in your data. Activated carbon filters and reverse osmosis systems are the most effective for PFAS removal. Our water filter guide breaks down which systems actually perform and which are marketing. 4. Request a detailed water report for your address to see historical trends and compare your area to state and national averages.
Alabama's water quality picture is uneven – strong in some metros, uncertain in rural areas, and complicated by military contamination in specific regions. Check your specific location to see where you stand.