Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at St. Marks Powder INC. rose from 9k lb to 44k lb (4.7×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
St. Marks Powder INC.
Total reported releases 45k lb more than tripled year over year (+263%). Total releases concentrations have more than doubled since 2010.
7121 COASTAL HWY, Crawfordville, Florida · 325920 · Chemicals · operated by General Dynamics CORP
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2010.
Diphenylamine
Diphenylamine concentrations have more than doubled since 2011.
Dibutyl phthalate
Dibutyl phthalate concentrations have more than doubled since 2010.
Sodium nitrite
Sodium nitrite concentrations have more than halved since 2019.
Polycyclic aromatic compounds
Polycyclic aromatic compounds concentrations have more than doubled since 2021.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Wakulla County County, FL (no Census block groups within 3 miles — falling back to containing county): a population of 33,732. Why we surface this →
6.1%
Low-income
22.2%
People of color
5.5%
Under age 5
15.7%
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.