Tarrant County, Texas: drinking water report. Tarrant County – anchored by Fort Worth and Arlington – is home to about 2.1 million people.
Tarrant County – anchored by Fort Worth and Arlington – is home to about 2.1 million people. The Trinity River Authority and the Tarrant Regional Water District supply most of the county's water from a network of reservoirs including Lake Worth, Eagle Mountain Lake, Cedar Creek Reservoir, and Richland-Chambers Reservoir. These surface water sources travel through treatment plants before reaching a distribution system that serves both urban cores and fast-growing suburban communities.
The EPA's UCMR5 monitoring has flagged PFAS detections in Tarrant County water systems. Naval Air Station Fort Worth Joint Reserve Base, located at the former Carswell Air Force Base, is a known PFAS source. The Department of Defense has confirmed AFFF contamination in groundwater near the installation, and nearby communities have been included in expanded monitoring efforts.
Tarrant County's surface water also picks up agricultural runoff and treated wastewater effluent from upstream communities. According to the 2024 Texas Commission on Environmental Quality compliance data, two community water systems in the county recorded disinfection byproduct levels within 90% of the EPA's maximum contaminant levels during summer months.
Whether you are in Fort Worth proper, Arlington, or one of the county's fast-growing northern suburbs, your water source and treatment plant may differ.
Check your water to see data specific to your ZIP code and provider. If you live near the Joint Reserve Base, PFAS filtration is worth considering – our water filter guide covers which types actually remove these compounds. For a full historical picture, pull your detailed report. See our Texas page for broader state context.