Some drinking water systems in Tennessee contain long-lasting chemicals linked to serious health risks, with levels exceeding federal safety limits, according to new data from the Environmental Protection Agency (EPA).
USA TODAY recently published an interactive map showing public water systems nationwide that submitted results to the EPA for PFAS, commonly known as “forever chemicals.” In Tennessee, 14 water systems reported levels above federal limits.
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The EPA notes that these chemicals can be removed using the right types of water filters.
What Are PFAS, or ‘Forever Chemicals’?
Per- and polyfluoroalkyl substances (PFAS) are human-made chemicals often referred to as “forever chemicals” because they take decades to break down. First highlighted in a 2018 Washington Post report, these chemicals are commonly found in products like:
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Non-stick cookware
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Stain-resistant fabrics
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Heat-resistant materials
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Clothing and cleaning products
Over time, PFAS have seeped into soil, food, wildlife, water systems, and even human bodies, according to the EPA.
Health risks linked to PFAS exposure include:
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Reproductive problems
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Developmental delays
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Increased risks of certain cancers
Research into long-term effects is still ongoing.
Tennessee Water Systems With PFAS Above EPA Limits
Samples from multiple public water systems in Tennessee revealed elevated PFAS levels. Below are the affected systems and how far they exceeded federal limits:
| Water System | Location | Times Over EPA Limit | Sampling Site |
|---|---|---|---|
| Erwin Utilities Authority | Howard Brown (Railroad Well) | 1.7x | Water Treatment Plant |
| Savannah Valley Utility District | Georgetown, TN | 8x | Carson Spring Well Plant |
| Hillsville Utility District | Manchester, TN | 2.2x | Highway 41 Location |
| Manchester Water Department | Manchester, TN | 1.1x | Duck River UC Connection |
| Shelbyville Water System | Shelbyville, TN | 1.5x | Not Specified |
| Ardmore Water System | Ardmore, TN | 2.8x | Not Specified |
| Harvest-Monrovia Water System | Mt. Zion | 1.1x | Water Treatment Plant |
| Camden Water Department | Camden, TN | 4x | Camden Treatment Plant |
| Parsons Water Department | Parsons, TN | 2.7x | Not Specified |
| Clifton Water Department | Clifton, TN | 3.6x | Not Specified |
| Savannah Utility Department | Savannah, TN | 2.8x | Not Specified |
| First Utility District of Hardin County | Counce, TN | 4.1x | Not Specified |
| Trenton Water System | Trenton, TN | 6x | Not Specified |
| Jackson Water System | Jackson, TN | 3.8x | South Plant |
How to Remove PFAS From Drinking Water
Not all filters can remove PFAS, but the EPA recommends three types that are effective. Prices range from $20 to $1,000, depending on size and installation type.
1. Charcoal Filters (Granular Activated Carbon – GAC)
These filters trap chemicals as water passes through carbon layers.
2. Reverse Osmosis (RO) Systems
Push water through an ultra-thin membrane that separates chemicals from clean drinking water.
3. Ion Exchange Resins
Tiny beads act like magnets, attracting and holding contaminants so they don’t enter the water supply.
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