Union County, TN
The federal environmental record for Union County (population 20,741): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
2
PFAS-detecting water systems
3
TRI facilities
0
open tank releases
Drinking water: PFAS testing
Public water systems serving Union with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| LUTTRELL-BLAINE-CORRYTON U.D. TN0000415 | PFBA: 6.1 ng/L | detected |
| MAYNARDVILLE WATER DEPT TN0000442 | PFBA: 6.2 ng/L PFHxA: 3.1 ng/L PFBS: 3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Union filed TRI reports for 2024, totalling 174 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| O-N MINERALS LUTTRELL OPERATION | LUTTRELL | Lead compounds | 174 lb |
| CLAYTON MAYNARDVILLE | MAYNARDVILLE | - | 0 lb |
| READY MIX USA LLC-MAYNARDVILLE PLANT | MAYNARDVILLE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 49 tank facilities in Union: 47 tanks in service and 93 closed. 28 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Union as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39