San Diego County, CA
The federal environmental record for San Diego County (population 3,269,973): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
35
federal cleanup sites
9
PFAS-detecting water systems
68
TRI facilities
101
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Camp Pendleton Marine Corps Base | San Diego County | on the NPL | 11/21/1989 |
Drinking water: PFAS testing
Public water systems serving San Diego 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 |
|---|---|---|
| POTRERO ELEMENTARY SCHOOL CA3700963 | PFHxS: 250.2 ng/L PFOA: 188.3 ng/L PFHxA: 95.2 ng/L | above final limit |
| LAKESIDE WD CA3710013 | PFHxS: 5.8 ng/L PFOS: 4.8 ng/L PFBS: 4.8 ng/L | above final limit |
| SAN DIEGUITO WD CA3710021 | PFHxA: 4.9 ng/L PFPeA: 4.8 ng/L PFOA: 4.3 ng/L | above final limit |
| SWEETWATER AUTHORITY CA3710025 | PFBA: 12.3 ng/L PFOA: 11.4 ng/L PFBS: 11 ng/L | above final limit |
| RINCON DEL DIABLO MWD (ID-1) CA3710018 | PFBA: 10 ng/L | detected |
| SANTA FE I.D. CA3710023 | PFHxA: 4.5 ng/L PFPeA: 4.3 ng/L | detected |
| PADRE DAM MWD CA3710037 | PFBA: 5.8 ng/L | detected |
| CAMP PENDLETON (NORTH) CA3710700 | PFBA: 6.2 ng/L | detected |
| CAMP PENDLETON (SOUTH) CA3710702 | PFHxS: 5.4 ng/L PFBS: 3.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
68 facilities in San Diego filed TRI reports for 2024, totalling 814k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| US MARINE CORPS MCB CAMP PENDLETON | CAMP PENDLETON | Lead And Lead Compounds, Copper | 415k lb |
| GENERAL DYNAMICS (NASSCO) | SAN DIEGO | Xylene (mixed isomers), n-Butyl alcohol | 128k lb |
| GKN AEROSPACE CHEM-TRONICS INC | EL CAJON | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen fluoride | 56k lb |
| U.S. NAVAL AIR STATION NORTH ISLAND | SAN DIEGO | Methyl isobutyl ketone, Lead | 38k lb |
| POLYPEPTIDE LABORATORIES SAN DIEGO | SAN DIEGO | N,N-Dimethylformamide, Acetonitrile | 30k lb |
| BAE SYSTEMS SAN DIEGO SHIP REPAIR | SAN DIEGO | Aluminum oxide (fibrous forms), Copper | 30k lb |
| HONEYWELL INDUSTRIAL SAFETY | SAN DIEGO | Toluene diisocyanate (mixed isomers) | 26k lb |
| US MARINE CORPS AIR STATION MIRAMAR | SAN DIEGO | Lead, Naphthalene | 25k lb |
| US NAVY SILVER STRAND TRAINING COMPLEX (SSTC) | CORONADO | Lead And Lead Compounds | 21k lb |
| INTEGRATED DNA TECHNOLOGIES | SAN DIEGO | Acetonitrile, Toluene | 11k lb |
| SHERWIN-WILLIAMS CO | SAN DIEGO | Zinc compounds, Nonylphenol Ethoxylates | 6k lb |
| KYOCERA INTERNATIONAL INC | SAN DIEGO | Cyanide compounds, Lead And Lead Compounds | 5k lb |
| SOLAR TURBINES INC HARBOR DRIVE | SAN DIEGO | Nickel, Chromium | 4k lb |
| US NAVY CAMP MICHAEL MONSOOR - LA POSTA (RANGES) (PART) | CAMPO | Lead | 3k lb |
| US NAVAL SUBMARINE BASE SAN DIEGO | SAN DIEGO | Xylene (mixed isomers), Naphthalene | 2k lb |
| TRILINK BIOTECHNOLOGIES | SAN DIEGO | Acetonitrile | 2k lb |
| SAINT GOBAIN SOLAR GARD LLC | SAN DIEGO | Toluene, Methyl isobutyl ketone | 1k lb |
| PALL FILTRATION & SEPARATIONS GROUP INC | SAN DIEGO | N,N-Dimethylformamide, N-Methyl-2-pyrrolidone | 1k lb |
| HYDRANAUTICS | OCEANSIDE | N,N-Dimethylformamide | 1k lb |
| SOMACIS INC | POWAY | Nitric acid, Copper And Copper Compounds | 926 lb |
| ILLUMINA | SAN DIEGO | Acetonitrile, Dichloromethane | 878 lb |
| TESORO - SAN DIEGO TERMINAL | SAN DIEGO | Toluene, n-Hexane | 841 lb |
| K-TUBE CORP | POWAY | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Nickel And Nickel Compounds | 836 lb |
| COSTCO OPTICAL LAB #908 | NATIONAL CITY | Lead | 787 lb |
| US CBP BORDER PATROL FIREARMS RANGE BE # CA0180 | SAN DIEGO | Lead | 545 lb |
Underground fuel tanks
EPA's UST Finder records 996 tank facilities in San Diego: 2,858 tanks in service and 8 closed. 3,079 fuel releases are on record, of which 101 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps San Diego as Zone 3, the lowest predicted indoor radon (under 2 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 Diego, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- 38TH AND QUINCE STREETSAN DIEGO
- AIR FORCE PLT 19SAN DIEGO
- ALLIED WASTE - OTAY LANDFILLCHULA VISTA
- CAMP PENDLETON MARINE CORPS BASECAMP PENDLETON
- CHATHAM BROTHERS BARREL YARDESCONDIDO
- COMMODORE DAY CRUISESSAN DIEGO
- CORONADO FIRE MERCURY ERCORONADO
- CUSTOM CHROME AND BUMPERLA JOLLA
- EL CAPITAN QUARRYSANTEE
- FWS-SAN DIEGO BAY NATIONAL WILDLIFE REFUGECHULA VISTA
- IMPERIAL BEACH NAVAL COMMUNICATIONS STAIMPERIAL BEACH
- MASTER PLATINGSAN DIEGO
- MUSHROOM EXPRESSVALLEY CENTER
- NARCOTICS TASK FORCE LABORATORYCARLSBAD
- NATIONAL CITY TATPSAN DIEGO
- NAVAL FACILITIES ENGINEERING COMMSAN DIEGO
- NAVAL MEDICAL CENTER SAN DIEGOSAN DIEGO
- NAVAL RADIO RECEIVER FACILITYIMPERIAL BEACH
- NAVAL WEAPONS STATION SEAL BEACH DET. FALLBROOKFALLBROOK
- PALOMAR PLATING COESCONDIDO
- POINT LOMA ANNEX NAVAL SUPPLY CTRSAN DIEGO
- SAN DIEGO AIR NATIONAL GUARD STASAN DIEGO
- SAN DIEGO FLEET ANTI-SUB WTCSAN DIEGO
- SAN DIEGO PUBLIC WORKS CENTERSAN DIEGO
- SAN DIEGO PUBLIC WORKS CENTERSAN DIEGO
- SAN DIEGO PUBLIC WORKS CENTERSAN DIEGO
- SIDONIA INVESTIGATIONENCINITAS
- STAR MERCURY RESPONSESAN DIEGO
- U.S COAST GUARD SECTOR SAN DIEGO, CASAN DIEGO
- U.S. BORDER PATROL STATIONEL CAJON
- US MARINE CORPS AIR STATION MIRAMARSAN DIEGO
- US NAVY NAVAL SUBMARINE BASE SAN DIEGOSAN DIEGO
- USDOJ INS BORDER PATROLSAN YSIDRO
- USNAVY SINGER EDUCATION DIVISIONIMPERIAL BEACH
- VA SAN DIEGO HEALTHCARE SYSTEMSAN DIEGO