Apache County, AZ
The federal environmental record for Apache County (population 65,036): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
13
federal cleanup sites
1
PFAS-detecting water systems
2
TRI facilities
17
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Lukachukai Mountains Mining District | Cove, Navajo Nation | on the NPL | 03/07/2024 |
Drinking water: PFAS testing
Public water systems serving Apache 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 |
|---|---|---|
| EAGAR TOWN OF AZ0401004 | PFBS: 3.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
2 facilities in Apache filed TRI reports for 2024, totalling 2.5M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SPRINGERVILLE GENERATING STATION | SPRINGERVILLE | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese compounds | 2.2M lb |
| CORONADO GENERATING STATION | SAINT JOHNS | Barium And Barium Compounds, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 311k lb |
Underground fuel tanks
EPA's UST Finder records 249 tank facilities in Apache: 137 tanks in service and 585 closed. 176 fuel releases are on record, of which 17 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Apache as Zone 2, moderate predicted indoor radon (2 to 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 Apache, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ABANDONED URANIUM MINES ON THE NAVAJO NATIONWINDOW ROCK
- COVE MESA AGGREGATED URANIUM MINESCOVE
- COVE NAVAJO RADIOACTIVE STRUCTURE SITERED VALLEY
- ENOS JOHNSON URANIUM MINE-RED VALLEYRED VALLEY
- FRANK JR. MINEROUND ROCK
- FRANK NO. 1 MINESROUND ROCK
- IMMANUEL MISSION SCHOOLTEEC NOS POS
- MESA II MINES NO. 1 & 2, P-21RED VALLEY
- MESA V MINEROUND ROCK
- NAVAJO NON-TRONOX PREPLANNINGWINDOW ROCK
- TRONOX NAUM MESA I MINESRED VALLEY
- TSE-TAH AGGREGATED URANIUM MINESTEEC NOS POS
- WIDE RUINS DIP VATWIDE RUINS