EPA TRI Facility · Chemicals
St. Marks Powder Inc.
Crawfordville, FL · Parent: General Dynamics Corp
- Total releases
- 130.3K lbs
- Chemicals reported
- 8
- Carcinogens
- 1
- Primary pathway
- Land Disposal
MIXED Form-R mix
St. Marks Powder Inc.: how the 130.3K lbs splits
130.3K lbs across all reported pathways
- Land Disposal 74.2K lbs 57.0%
- Water Discharges 45.5K lbs 34.9%
- Off-site Transfers 10.6K lbs 8.1%
- Air Releases 14 lbs <0.1%
St. Marks Powder Inc.'s 130.3K lbs Form-R total is MIXED - land disposal is 57.0% of the bar. Next segment: water discharges at 34.9%. 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 MIXED pathway TRACE-CARC
St. Marks Powder Inc. is an EPA Toxics Release Inventory reporter in Crawfordville, FL, in the chemicals sector. It reported 12.5K lbs of releases across 8 chemicals in 2023, and 130.3K lbs in total across its 2019-2023 reporting years. That ranks 4,027 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. St. Marks Powder Inc. is pounds #106 and chemical-count #63 at 130.3K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Veolia N.a. Inc.; Safety-Kleen Systems Tallahassee (tal); Best Block - Tallahassee Block Plant; Bayou Concrete LLC - Tallahassee. Similar-scale Chemicals peers outside Florida: Green Plains Shenandoah LLC; Mobile Paint Manufacturing Co Inc; Vibrantz Color Solutions Inc.; Lubrizol Advanced Materials Inc. Other General Dynamics Corp sites in this extract: General Dynamics (nassco); Electric Boat Corp; General Dynamics Electric Boat Corp; Bath Iron Works-Structural Fabrication Facility (formerly Ha. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Dibutyl phthalate; Diphenylamine; Sodium nitrite.
St. Marks Powder Inc. is a MID · MIXED-pathway Form-R site in Crawfordville, FL: 130.3K lbs across 8 chemicals (1 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment land disposal at 57.0%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Green Plains Shenandoah LLC and Mobile Paint Manufacturing Co Inc.
St. Marks Powder Inc. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
130K lbs Top 15% higher than 85% 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
St. Marks Powder Inc. inside Wakulla's TRI pounds
Among the 3,917 Chemicals facilities in this database, St. Marks Powder Inc. reports the 773rd-largest volume, placing it in the top 19.7% of its sector. This one site accounts for 100% of every pound reported in Wakulla. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 91.0% of the total. Scale peers outside Florida include Green Plains Shenandoah LLC and Mobile Paint Manufacturing Co Inc.
County-dominant here means ≥25% of Wakulla's reported pounds (130.3K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- St. Marks Powder Inc.'s total reported releases rose from 11.7 thousand lb in 2022 to 12.5 thousand lb in 2023, based on EPA TRI filings.
- St. Marks Powder Inc.'s off-site transfers rose from 656 lb in 2022 to 3.1 thousand lb in 2023, based on EPA TRI filings.
- St. Marks Powder Inc.'s water releases fell from 4.2 thousand lb in 2022 to 3.6 thousand lb in 2023, based on EPA TRI filings.
- St. Marks Powder Inc.'s land releases fell from 6.9 thousand lb in 2022 to 5.9 thousand lb in 2023, based on EPA TRI filings.
St. Marks Powder Inc. Form-R facts
Compare this facility
See how St. Marks Powder Inc. stacks up against nearby facilities and the typical reporter.
112.3× more than the comparison
2.7× 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 St. Marks Powder Inc. releases toxic chemicals into the environment. Total: 130.3K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 18% (15.2K lbs to 12.5K lbs).
St. Marks Powder Inc.: 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 St. Marks Powder Inc. year-over-year reported totals (decreased by 18% 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 | 15.2K lbs | 7 |
| 2020 | 72.0K lbs | 7 |
| 2021 | 18.8K lbs | 8 |
| 2022 | 11.7K lbs | 8 |
| 2023 | 12.5K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 118.6K lbs | - |
| Dibutyl phthalate | 5.3K lbs | - |
| Diphenylamine | 5.3K lbs | - |
| Sodium nitrite | 1.1K lbs | - |
| Polycyclic aromatic compounds | 21 lbs | Carcinogen |
| Chlorine | 0 lbs | - |
| Nitric acid | 0 lbs | - |
| Nitroglycerin | 0 lbs | - |
St. Marks Powder Inc. in Wakulla
Nearest TRI Facilities to St. Marks Powder Inc.
Closest other reporters in Florida - including Veolia N.a. Inc., Safety-Kleen Systems Tallahassee (tal), Best Block - Tallahassee Block Plant, ordered by distance.
Showing 8 of 658 other reporting facilities in Florida.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Florida - e.g. Green Plains Shenandoah LLC, Mobile Paint Manufacturing Co Inc, Vibrantz Color Solutions Inc..
Compare beyond Florida
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest St. Marks Powder Inc. on cumulative reported pounds (130.3K lbs) and distinct chemical count (8). Release-pound peers include Plasman, Sa Automotive, Power Pipe & Tank LLC. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive 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.
- Plasman Fort Payne, AL · Transportation Equipment 130.3K lbs reported
- Sa Automotive Webberville, MI · Transportation Equipment 130.3K lbs reported
- Power Pipe & Tank LLC Amarillo, TX · Plastics and Rubber 130.3K lbs reported
- Middletown Power LLC Middletown, CT · Electric Utilities 130.3K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other General Dynamics Corp Facilities
Same-parent TRI sites ranked by reported releases - including General Dynamics (nassco), Electric Boat Corp, General Dynamics Electric Boat Corp.
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), Dibutyl phthalate, Diphenylamine, Sodium nitrite; nearby reporters include Veolia N.a. Inc.. St. Marks Powder Inc. stamps MID volume · MIXED pathway · TRACE-CARC 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 St. Marks Powder Inc. TRI extract (MID · MIXED · TRACE-CARC · 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.
St. Marks Powder Inc. totals are self-reported EPCRA §313 estimates for Crawfordville, FL, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325920 · Chemicals. 100% of Wakulla TRI pounds in this extract. Nearest ABS peer: Plasman (Δ 24 lbs). Pounds ≠ exposure.
St. Marks Powder Inc. stamps MID · MIXED pathway (land disposal leads at 57.0%). 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