Total reported releases 2.4M lb fell modestly year over year (-6%). Total releases concentrations are up 13% since 2010.
1182 260TH ST, Sergeant Bluff, Iowa · 325311 · Chemicals · operated by Cf Industries Holdings INC
Nitrate compounds (water dissociable; reportable only when in aqueous solution) at Cf Industries Nitrogen Llc-Port Neal Nitrogen Complex have more than doubled since 2010 (through 2024).
Ammonia concentrations have fallen 28% since 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2010.
Methanol concentrations have more than doubled since 2016.
n-Hexane concentrations are up 26% since 2017.
Formaldehyde concentrations are up 24% since 2017.
Zinc compounds concentrations are up 26% since 2010.
Copper compounds concentrations have more than halved since 2010.
Nickel compounds concentrations have more than halved since 2017.
Woodbury County County, IA (no Census block groups within 3 miles — falling back to containing county): a population of 105,526. Why we surface this →
Low-income
People of color
Under age 5
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.