EPA TRI Facility · Other
U.S. Naval Air Station North Island
San Diego, CA · Parent: US Department of Defense
- Total releases
- 206.9K lbs
- Chemicals reported
- 6
- Carcinogens
- 4
- Primary pathway
- Air Releases
MIXED Form-R mix
U.S. Naval Air Station North Island: how the 206.9K lbs splits
206.9K lbs across all reported pathways
- Air Releases 144.1K lbs 69.7%
- Land Disposal 33.7K lbs 16.3%
- Off-site Transfers 29.1K lbs 14.1%
U.S. Naval Air Station North Island's 206.9K lbs Form-R total is MIXED - air releases is 69.7% of the bar. Next segment: land disposal at 16.3%. Leading chemical by pounds: Methyl isobutyl ketone.
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.
MID volume MIXED pathway CARC-HEAVY
U.S. Naval Air Station North Island is an EPA Toxics Release Inventory reporter in San Diego, CA, in the other sector. It reported 41.9K lbs of releases across 3 chemicals in 2023, and 206.9K lbs in total across its 2019-2023 reporting years. That ranks 3,185 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. U.S. Naval Air Station North Island is pounds #92 and chemical-count #162 at 206.9K 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 Coast Guard Sector San Diego Ca; Solar Turbines Inc Harbor Drive; US Cbp Border Patrol Firearms Range Be # CA0180; US Navy Silver Strand Training Complex (sstc). Similar-scale Other peers outside California: U.S. Army Letterkenny Army Depot; Christy Minerals LLC; US Army Fort Riley-Garrison; US Army Garrison Yuma Proving Ground. 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: Methyl isobutyl ketone; Lead; Certain glycol ethers; Sodium dimethyldithiocarbamate.
Compare U.S. Naval Air Station North Island with
Nearest reporters in California
- U.s Coast Guard Sector San Diego Ca San Diego · 3.5K lbs
- Solar Turbines Inc Harbor Drive San Diego · 35.5K lbs
- US Cbp Border Patrol Firearms Range Be # CA0180 San Diego · 64.8K lbs
- US Navy Silver Strand Training Complex (sstc) Coronado · 81.7K lbs
Similar-scale Other sites elsewhere: U.S. Army Letterkenny Army Depot (PA) · Christy Minerals LLC (MO) · US Army Fort Riley-Garrison (KS)
U.S. Naval Air Station North Island is a MID · MIXED-pathway Form-R site in San Diego, CA: 206.9K lbs across 6 chemicals (4 carcinogen-classified, CARC-HEAVY). No single media clears 70% of the bar (lead segment air releases at 69.7%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include U.S. Army Letterkenny Army Depot and Christy Minerals LLC.
U.S. Naval Air Station North Island vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
207K lbs Top 12% higher than 88% 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
U.S. Naval Air Station North Island: Methyl isobutyl ketone-led volume
Among the 632 Other facilities in this database, U.S. Naval Air Station North Island reports the 89th-largest volume, placing it in the top 14.1% of its sector. Its reported volume is concentrated rather than spread: Methyl isobutyl ketone alone is 68.4% of the total. Carcinogen-classified chemicals make up 86.5% of the reported pounds, not just of the chemical count. Scale peers outside California include U.S. Army Letterkenny Army Depot and Christy Minerals LLC.
Concentrated means ≥60% of U.S. Naval Air Station North Island's pounds in one chemical - here Methyl isobutyl ketone at 68.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- U.S. Naval Air Station North Island's total reported releases rose from 38.4 thousand lb in 2022 to 41.9 thousand lb in 2023, based on EPA TRI filings.
- U.S. Naval Air Station North Island's off-site transfers fell from 608 lb in 2022 to 192 lb in 2023, based on EPA TRI filings.
- U.S. Naval Air Station North Island's land releases fell from 7.2 thousand lb in 2022 to 4.0 thousand lb in 2023, based on EPA TRI filings.
- U.S. Naval Air Station North Island's chemicals reported fell from 4 in 2022 to 3 in 2023, based on EPA TRI filings.
U.S. Naval Air Station North Island Form-R facts
Compare this facility
See how U.S. Naval Air Station North Island stacks up against nearby facilities and the typical reporter.
58.8× more than the comparison
2.0× more 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 U.S. Naval Air Station North Island releases toxic chemicals into the environment. Total: 206.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 6% (39.5K lbs to 41.9K lbs).
U.S. Naval Air Station North Island: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows U.S. Naval Air Station North Island year-over-year reported totals (increased by 6% 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: Methyl isobutyl ketone.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 39.5K lbs | 4 |
| 2020 | 45.7K lbs | 4 |
| 2021 | 41.5K lbs | 3 |
| 2022 | 38.4K lbs | 4 |
| 2023 | 41.9K lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 6 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methyl isobutyl ketone | 141.6K lbs | Carcinogen |
| Lead | 36.7K lbs | Carcinogen |
| Certain glycol ethers | 16.9K lbs | - |
| Sodium dimethyldithiocarbamate | 11.0K lbs | - |
| Ethylbenzene | 561 lbs | Carcinogen |
| Naphthalene | 220 lbs | Carcinogen |
U.S. Naval Air Station North Island in San Diego
Nearest TRI Facilities to U.S. Naval Air Station North Island
Closest other reporters in California - including U.s Coast Guard Sector San Diego Ca, Solar Turbines Inc Harbor Drive, US Cbp Border Patrol Firearms Range Be # CA0180, 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. U.S. Army Letterkenny Army Depot, Christy Minerals LLC, US Army Fort Riley-Garrison.
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest U.S. Naval Air Station North Island on cumulative reported pounds (206.9K lbs) and distinct chemical count (6). Release-pound peers include Kraton Chemical LLC, Goldshield Fiberglass Inc 43-1, Cardinal Aluminum Co Plant 3. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. 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.
- Kraton Chemical LLC Panama City, FL · Chemicals 207.0K lbs reported
- Goldshield Fiberglass Inc 43-1 Decatur, IN · Plastics and Rubber 207.0K lbs reported
- Cardinal Aluminum Co Plant 3 Louisville, KY · Primary Metals 206.8K lbs reported
- Metal Finishing Technologies LLC Forestville, CT · Fabricated Metals 207.1K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Methyl isobutyl ketone, Lead, Certain glycol ethers, Sodium dimethyldithiocarbamate; nearby reporters include U.s Coast Guard Sector San Diego Ca. U.S. Naval Air Station North Island stamps MID volume · MIXED pathway · CARC-HEAVY 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 U.S. Naval Air Station North Island TRI extract (MID · MIXED · CARC-HEAVY · lead Methyl isobutyl ketone) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
U.S. Naval Air Station North Island 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. 3.3% of San Diego TRI pounds in this extract. Nearest ABS peer: Kraton Chemical LLC (Δ 94 lbs). Pounds ≠ exposure.
U.S. Naval Air Station North Island stamps MID · MIXED pathway (air releases leads at 69.7%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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