EPA TRI Facility · Other
U.S. Navy Naval Station Mayport
Jacksonville, FL · Parent: US Department of Defense
- Total releases
- 739.6K lbs
- Chemicals reported
- 7
- Carcinogens
- 3
- Primary pathway
- Water Discharges
WATER Form-R mix
U.S. Navy Naval Station Mayport: how the 739.6K lbs splits
739.6K lbs across all reported pathways
- Water Discharges 715.2K lbs 96.7%
- Land Disposal 13.3K lbs 1.8%
- Off-site Transfers 10.3K lbs 1.4%
- Air Releases 872 lbs 0.1%
U.S. Navy Naval Station Mayport's 739.6K lbs Form-R total is WATER - water discharges is 96.7% of the bar. Next segment: land disposal at 1.8%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
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 WATER pathway CARC-LEAN
U.S. Navy Naval Station Mayport is an EPA Toxics Release Inventory reporter in Jacksonville, FL, in the other sector. It reported 36.8K lbs of releases across 6 chemicals in 2023, and 739.6K lbs in total across its 2019-2023 reporting years. That ranks 1,565 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Florida's 659 reporting TRI sites, pounds #1 is not chemical-count #1. U.S. Navy Naval Station Mayport is pounds #32 and chemical-count #68 at 739.6K lbs. Ascend Performance Materials Operations LLC leads reported pounds (116.3M lbs) at 27 chemicals (chemical-count #2). Duke Energy Florida Llc-Crystal River Power Plant leads chemical count at 31 chemicals (2.4M lbs, pounds #15). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Bae Systems Jacksonville Ship Repair LLC; US Dod Marine Corps Blount Island Command; Goodrich Corp; Northside Generating Station. Similar-scale Other peers outside Florida: Fort Wainwright Main Cantonment; U.S. Army Joint Base Lewis-McChord; U.S. Army - Fort Sill, Ok (range Facility); U.S. Marine Corps Base Quantico (entire Facility). 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Lead; n-Hexane; Naphthalene.
U.S. Navy Naval Station Mayport stamps MID volume with a dominant WATER pathway (96.7% water discharges) across 7 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 739.6K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Fort Wainwright Main Cantonment and U.S. Army Joint Base Lewis-McChord.
U.S. Navy Naval Station Mayport vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
740K lbs Top 6% higher than 94% 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. Navy Naval Station Mayport: Nitrate compounds (water dissociable; reportable only when in aqueous solution)-led volume
Among the 632 Other facilities in this database, U.S. Navy Naval Station Mayport reports the 42nd-largest volume, placing it in the top 6.6% of its sector. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 96.7% of the total. Scale peers outside Florida include Fort Wainwright Main Cantonment and U.S. Army Joint Base Lewis-McChord.
Concentrated means ≥60% of U.S. Navy Naval Station Mayport's pounds in one chemical - here Nitrate compounds (water dissociable; reportable only when in aqueous solution) at 96.7%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- U.S. Navy Naval Station Mayport's total reported releases fell from 162.6 thousand lb in 2022 to 36.8 thousand lb in 2023, based on EPA TRI filings.
- U.S. Navy Naval Station Mayport's off-site transfers rose from 703 lb in 2022 to 4.7 thousand lb in 2023, based on EPA TRI filings.
- U.S. Navy Naval Station Mayport's land releases rose from 631 lb in 2022 to 3.4 thousand lb in 2023, based on EPA TRI filings.
- U.S. Navy Naval Station Mayport's water releases fell from 160.8 thousand lb in 2022 to 28.4 thousand lb in 2023, based on EPA TRI filings.
U.S. Navy Naval Station Mayport Form-R facts
Compare this facility
See how U.S. Navy Naval Station Mayport stacks up against nearby facilities and the typical reporter.
51.7× more than the comparison
3.5× 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. Navy Naval Station Mayport releases toxic chemicals into the environment. Total: 739.6K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 80% (184.8K lbs to 36.8K lbs).
U.S. Navy Naval Station Mayport: annual Form-R pounds
MID site · WATER pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows U.S. Navy Naval Station Mayport year-over-year reported totals (decreased by 80% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 184.8K lbs | 5 |
| 2020 | 160.1K lbs | 5 |
| 2021 | 195.3K lbs | 4 |
| 2022 | 162.6K lbs | 4 |
| 2023 | 36.8K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 715.2K lbs | - |
| Lead | 17.5K lbs | Carcinogen |
| n-Hexane | 3.3K lbs | - |
| Naphthalene | 1.4K lbs | Carcinogen |
| Xylene (mixed isomers) | 1.3K lbs | - |
| Ethylbenzene | 835 lbs | Carcinogen |
| Propylene | 83 lbs | - |
U.S. Navy Naval Station Mayport · WATER-pathway site
Nearest TRI Facilities to U.S. Navy Naval Station Mayport
Closest other reporters in Florida - including Bae Systems Jacksonville Ship Repair LLC, US Dod Marine Corps Blount Island Command, Goodrich Corp, ordered by distance.
Showing 8 of 658 other reporting facilities in Florida.
Similar Other Facilities
Other Other facilities with similar total release volumes (±80%), outside Florida - e.g. Fort Wainwright Main Cantonment, U.S. Army Joint Base Lewis-McChord, U.S. Army - Fort Sill, Ok (range Facility).
Compare beyond Florida
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest U.S. Navy Naval Station Mayport on cumulative reported pounds (739.6K lbs) and distinct chemical count (7). Release-pound peers include Gelita, Mueller Co., Carlisle Syntec a Div of Carlisle Construction Materia. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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.
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead, n-Hexane, Naphthalene; nearby reporters include Bae Systems Jacksonville Ship Repair LLC. U.S. Navy Naval Station Mayport stamps MID volume · WATER 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 U.S. Navy Naval Station Mayport TRI extract (MID · WATER · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
U.S. Navy Naval Station Mayport totals are self-reported EPCRA §313 estimates for Jacksonville, FL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 928110 · Other. 5.2% of Duval TRI pounds in this extract. Nearest ABS peer: Gelita (Δ 640 lbs). Pounds ≠ exposure.
U.S. Navy Naval Station Mayport stamps MID volume · WATER pathway · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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