Ammonia
Ammonia at Dyno Nobel Inc-Cheyenne Plant have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Dyno Nobel Inc-Cheyenne Plant
Total reported releases 6.5M lb rose modestly year over year (+6%). Total releases concentrations have fallen 14% since 2010.
8305 OTTO RD, Cheyenne, Wyoming · 325311 · Chemicals · operated by Dyno Nobel INC
Anomaly engine
Notable Signals
Ethylene glycol
Ethylene glycol releases at Dyno Nobel Inc-Cheyenne Plant fell from 26k lb to 9k lb (67% lower) between 2023 and 2024.
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 fallen 26% since 2010.
Ammonia
Ammonia concentrations have more than doubled since 2010.
Formaldehyde
Formaldehyde concentrations are up 49% since 2010.
Ethylene glycol
Ethylene glycol concentrations have more than halved since 2010.
Nitric acid
Nitric acid concentrations are roughly unchanged from 2010.
Naphthalene
Naphthalene concentrations are roughly unchanged from 2014.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Laramie County County, WY (no Census block groups within 3 miles — falling back to containing county): a population of 100,316. Why we surface this →
9.0%
Low-income
23.0%
People of color
6.3%
Under age 5
16.6%
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.