Alpine County, CA
The federal environmental record for Alpine County (population 1,141): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
1
federal cleanup sites
1
PFAS-detecting water systems
0
TRI facilities
0
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Leviathan Mine | Markleeville | on the NPL | 05/11/2000 |
Drinking water: PFAS testing
Public water systems serving Alpine 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 |
|---|---|---|
| KIRKWOOD MEADOWS PUBLIC UTILITY DISTRICT CA0210002 | PFPeA: 4.3 ng/L | detected |
On a system with detections? Testing and treatment options
Underground fuel tanks
EPA's UST Finder records 4 tank facilities in Alpine: 7 tanks in service and 0 closed. 16 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Alpine 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 Alpine, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- LEVIATHAN MINEMARKLEEVILLE