Limestone County, AL
The federal environmental record for Limestone County (population 114,654): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
3
federal cleanup sites
2
PFAS-detecting water systems
15
TRI facilities
20
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Triana/Tennessee River | Limestone, Morgan | on the NPL | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Limestone 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 |
|---|---|---|
| LIMESTONE COUNTY WATER SYSTEM AL0000833 | PFBA: 24.9 ng/L PFBS: 12.4 ng/L PFOS: 11.1 ng/L | above final limit |
| ARDMORE WATER SYSTEM AL0001420 | PFOS: 12.9 ng/L PFBA: 7.2 ng/L PFOA: 5.9 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
15 facilities in Limestone filed TRI reports for 2024, totalling 339k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MAZDA TOYOTA MANUFACTURING USA INC. | MADISON | Certain glycol ethers, 1,2,4-Trimethylbenzene | 227k lb |
| DAIKYONISHIKAWA USA INC. | MADISON | Certain glycol ethers, 1,2,4-Trimethylbenzene | 42k lb |
| SNAP-ON TOOLS ELKMONT MANUFACTURING | ELKMONT | Manganese, Chromium | 24k lb |
| AMERICAN LEAKLESS CO LLC | ATHENS | 1,2,4-Trimethylbenzene | 17k lb |
| CARPENTER TECHNOLOGY CORP | TANNER | Nickel, Chromium | 15k lb |
| DURA COAT PRODUCTS INC. | MADISON | Certain glycol ethers, 1,2,4-Trimethylbenzene | 7k lb |
| TENNECO POWERTRAIN | ATHENS | Certain glycol ethers, Nickel | 5k lb |
| US TVA BROWNS FERRY NUCLEAR PLANT | ATHENS | Lead | 638 lb |
| CARPENTER TECHNOLOGY CORP - ATHENS SOUTH | TANNER | Cobalt, Chromium | 6 lb |
| PROWOOD LLC ATHENS | ATHENS | - | 0 lb |
| READY MIX USA LLC - MOORESVILLE PLANT - 5217 | MADISON | - | 0 lb |
| POLARIS INDUSTRIES INC HUNTSVILLE FACILITY | MADISON | - | 0 lb |
| AVIAGEN FEED PROCESSING UNIT | ATHENS | - | 0 lb |
| FOLEY PRODUCTS CO - ATHENS | ATHENS | Lead | 0 lb |
| TRIS USA INC | ATHENS | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 227 tank facilities in Limestone: 200 tanks in service and 451 closed. 79 fuel releases are on record, of which 20 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Limestone 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Limestone, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- LOONEY ROAD SITEATHENS
- PINE RIDGE TRANSPORTATIONTANNER
- US TVA BROWNS FERRY NUCLEAR PLANTATHENS