Tap Water Results

Alabama tap water quality

502 community water systems serving 6.4 million people.

Data: U.S. EPA · How we read the data · How we check it

56
systems with PFAS above a federal limit
1.4 million
people served by them
307
systems EPA tested for PFAS
0
systems above the lead action level

PFAS: EPA's 2023–2025 testing. Lead: results from the last five years. 6 more systems have no recent lead results in EPA's database.

Water systems with PFAS above the federal limit

Based on EPA's UCMR 5 results (2023–2025) compared to the April 2024 limits, the way EPA compares them. Systems have until 2029 to comply. Largest first.

And 20 more in the full list of Alabama utilities below.

Alabama PFAS report: chart, rankings and data to download →

Largest water systems in Alabama

Alabama cities and towns

Most health-based violations since 2016

All Alabama utilities on this site

Every Alabama system serving 50,000+ people or with PFAS above a federal limit, A to Z. Download all 502 systems as CSV.

Questions

Does Alabama tap water have PFAS?

EPA tested 307 community water systems in Alabama for 29 PFAS between 2023 and 2025. 83 had at least one regulated PFAS detected, and 56 had an entry-point average above a 2024 federal limit. Those 56 systems serve about 1.4 million people (22% of people on community water in Alabama). Systems have until 2029 to meet the limits.

How many Alabama water systems have violations?

80 systems in Alabama had at least one health-based violation since 2016 (213 violations in total). 84 violations are currently listed as unaddressed.

Which Alabama water systems are over the lead action level?

0 systems had a lead 90th percentile above the 15 ppb action level in their most recent results from the last five years. Another 6 systems have no lead results in EPA's database from the last five years. Lead depends on each home's pipes, so a test of your own tap is the only way to know your level.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.