San Francisco County, CA
The federal environmental record for San Francisco County (population 808,988): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
11
federal cleanup sites
1
PFAS-detecting water systems
1
TRI facilities
53
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Hunters Point Naval Shipyard | San Francisco | on the NPL | 11/21/1989 |
Drinking water: PFAS testing
Public water systems serving San Francisco 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 |
|---|---|---|
| PRESIDIO OF SAN FRANCISCO CA3810700 | PFPeA: 8.9 ng/L PFHxA: 6.8 ng/L PFBA: 6.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
1 facilities in San Francisco filed TRI reports for 2024, totalling 0 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SAN FRANCISCO (A) | SAN FRANCISCO | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 233 tank facilities in San Francisco: 502 tanks in service and 0 closed. 2,167 fuel releases are on record, of which 53 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps San Francisco 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 San Francisco, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- COAST GUARD GROUP SAN FRANCISCOSAN FRANCISCO
- GOLDEN GATE NATIONAL RECREATION AREASAN FRANCISCO
- HUNTERS POINT NAVAL SHIPYARDSAN FRANCISCO
- INDIA BASIN BOATYARDSAN FRANCISCO
- INDIA BASIN BOATYARDSAN FRANCISCO
- TREASURE ISLAND DEVELOPMENT AUTHORITY (TIDA)SAN FRANCISCO
- UNITED STATES MINT AT SAN FRANCISCOSAN FRANCISCO
- US GENERAL SERVICES ADMINISTRASAN FRANCISCO
- USCG QUARTER 9SAN FRANCISCO
- USEPA REGION 9 VANCOUVER AVENUE FIREWORKSSAN FRANCISCO
- YOSEMITE CREEK SEDIMENTSAN FRANCISCO