N770
N770 releases at Roquette America INC fell from 390k lb to 0 lb (100% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Roquette America INC
Total reported releases 217k lb fell sharply year over year (-69%). Total releases concentrations have more than halved since 2010.
1003 S 5TH ST, Keokuk, Iowa · 311221 · Food · operated by Roquette America INC
Anomaly engine
Notable Signals
0007439965
0007439965 releases at Roquette America INC fell from 36k lb to 0 lb (100% lower) between 2023 and 2024.
Nickel
Nickel releases at Roquette America INC fell from 41k lb to 1k lb (98% lower) between 2023 and 2024.
Nickel
Nickel at Roquette America INC have more than three-quarters since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 6. Lower-severity signals fold into the chemical breakdown and history charts below.
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 halved since 2010.
Ammonia
Ammonia concentrations have fallen 44% since 2010.
Nickel
Nickel concentrations have more than halved since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (13 Census block groups, population-weighted demographics): a population of 9,876. Why we surface this →
47.3%
Low-income
13.2%
People of color
6.7%
Under age 5
20.9%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). 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.