EPA TRI Facility · Other
US Naval Submarine Base San Diego
San Diego, CA · Parent: US Department of Defense
- Total releases
- 15.0K lbs
- Chemicals reported
- 4
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
US Naval Submarine Base San Diego: how the 15.0K lbs splits
15.0K lbs across all reported pathways
- Air Releases 14.0K lbs 93.3%
- Off-site Transfers 1.0K lbs 6.7%
US Naval Submarine Base San Diego's 15.0K lbs Form-R total is AIR - air releases is 93.3% of the bar. Next segment: off-site transfers at 6.7%. Leading chemical by pounds: Xylene (mixed isomers).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume AIR pathway CARC-LEAN
US Naval Submarine Base San Diego is an EPA Toxics Release Inventory reporter in San Diego, CA, in the other sector. It reported 4.9K lbs of releases across 3 chemicals in 2023, and 15.0K lbs in total across its 2019-2023 reporting years. That ranks 8,910 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. US Naval Submarine Base San Diego is pounds #353 and chemical-count #296 at 15.0K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: U.S. Naval Air Station North Island; US Cbp Border Patrol Firearms Range Be # CA0180; U.s Coast Guard Sector San Diego Ca; US Navy Silver Strand Training Complex (sstc). Similar-scale Other peers outside California: US Army National Guard Camp Crowder Ranges; US Army National Guard Camp Bowie Ranges; Federal Correctional Complex; US Customs Service Firing Range #TX0156. Other US Department of Defense sites in this extract: U.S. Army Radford Army Ammunition Plant; US Army Holston Army Ammunition Plant; McIeast-Mcb Camlej Main Facility; US Marine Corps Mcb Camp Pendleton. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Naphthalene; Ethylbenzene; Lead.
US Naval Submarine Base San Diego stamps LIGHT volume with a dominant AIR pathway (93.3% air releases) across 4 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 15.0K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include US Army National Guard Camp Crowder Ranges and US Army National Guard Camp Bowie Ranges.
US Naval Submarine Base San Diego vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
15K lbs Top 34% higher than 66% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
US Naval Submarine Base San Diego: Xylene (mixed isomers)-led volume
Among the 632 Other facilities in this database, US Naval Submarine Base San Diego reports the 219th-largest volume (15.0K lbs). Its reported volume is concentrated rather than spread: Xylene (mixed isomers) alone is 81.5% of the total. Scale peers outside California include US Army National Guard Camp Crowder Ranges and US Army National Guard Camp Bowie Ranges.
Concentrated means ≥60% of US Naval Submarine Base San Diego's pounds in one chemical - here Xylene (mixed isomers) at 81.5%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- US Naval Submarine Base San Diego's total reported releases rose from 4.7 thousand lb in 2022 to 4.9 thousand lb in 2023, based on EPA TRI filings.
- US Naval Submarine Base San Diego's off-site transfers fell from 216 lb in 2022 to 92 lb in 2023, based on EPA TRI filings.
- US Naval Submarine Base San Diego's chemicals reported fell from 4 in 2022 to 3 in 2023, based on EPA TRI filings.
- US Naval Submarine Base San Diego's air releases rose from 4.5 thousand lb in 2022 to 4.8 thousand lb in 2023, based on EPA TRI filings.
US Naval Submarine Base San Diego Form-R facts
Compare this facility
See how US Naval Submarine Base San Diego stacks up against nearby facilities and the typical reporter.
93% less than the comparison
33% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How US Naval Submarine Base San Diego releases toxic chemicals into the environment. Total: 15.0K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 5019% (95 lbs to 4.9K lbs).
US Naval Submarine Base San Diego: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows US Naval Submarine Base San Diego year-over-year reported totals (increased by 5019% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 95 lbs | 2 |
| 2020 | 2.3K lbs | 3 |
| 2021 | 3.0K lbs | 3 |
| 2022 | 4.7K lbs | 4 |
| 2023 | 4.9K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 12.2K lbs | - |
| Naphthalene | 1.3K lbs | Carcinogen |
| Ethylbenzene | 835 lbs | Carcinogen |
| Lead | 670 lbs | Carcinogen |
US Naval Submarine Base San Diego · AIR-pathway site
Nearest TRI Facilities to US Naval Submarine Base San Diego
Closest other reporters in California - including U.S. Naval Air Station North Island, US Cbp Border Patrol Firearms Range Be # CA0180, U.s Coast Guard Sector San Diego Ca, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Other Facilities
Other Other facilities with similar total release volumes (±80%), outside California - e.g. US Army National Guard Camp Crowder Ranges, US Army National Guard Camp Bowie Ranges, Federal Correctional Complex.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest US Naval Submarine Base San Diego on cumulative reported pounds (15.0K lbs) and distinct chemical count (4). Release-pound peers include Assa Abloy Access & Egress Hardware Group - Corbin Russwin, Apollo Colors Inc., Schwan Food Co - Pasadena Plant. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Assa Abloy Access & Egress Hardware Group - Corbin Russwin Berlin, CT · Fabricated Metals 15.0K lbs reported
- Apollo Colors Inc. Rockdale, IL · Chemicals 15.0K lbs reported
- Schwan Food Co - Pasadena Plant Pasadena, TX · Food 15.0K lbs reported
- Gentex Optics Inc Dudley, MA · Miscellaneous Manufacturing 15.0K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
Other US Department of Defense Facilities
Same-parent TRI sites ranked by reported releases - including U.S. Army Radford Army Ammunition Plant, US Army Holston Army Ammunition Plant, McIeast-Mcb Camlej Main Facility.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Xylene (mixed isomers), Naphthalene, Ethylbenzene, Lead; nearby reporters include U.S. Naval Air Station North Island. US Naval Submarine Base San Diego stamps LIGHT volume · AIR pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This US Naval Submarine Base San Diego TRI extract (LIGHT · AIR · CARC-LEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
US Naval Submarine Base San Diego totals are self-reported EPCRA §313 estimates for San Diego, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 928110 · Other. 0.2% of San Diego TRI pounds in this extract. Nearest ABS peer: Assa Abloy Access & Egress Hardware Group - Corbin Russwin (Δ 1 lbs). Pounds ≠ exposure.
US Naval Submarine Base San Diego stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Xylene (mixed isomers). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov