Acetaldehyde
Acetaldehyde releases at International Paper Riegelwood Mill fell from 89k lb to 20k lb (78% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
International Paper Riegelwood Mill
Total reported releases 1.7M lb fell sharply year over year (-45%). Total releases concentrations have more than halved since 2010.
865 JOHN L.RIEGEL RD, Riegelwood, North Carolina · 322110 · Paper · operated by International Paper Co
Anomaly engine
Notable Signals
Manganese And Manganese Compounds
Manganese And Manganese Compounds releases at International Paper Riegelwood Mill fell from 199k lb to 78k lb (61% lower) between 2023 and 2024.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at International Paper Riegelwood Mill fell from 196k lb to 78k lb (60% lower) between 2023 and 2024.
Manganese And Manganese Compounds
Manganese And Manganese Compounds at International Paper Riegelwood Mill have more than halved 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
Methanol
Methanol concentrations have more than halved since 2010.
Ammonia
Ammonia concentrations have fallen 37% since 2010.
Chlorine dioxide
Chlorine dioxide concentrations have more than doubled since 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations have more than halved since 2012.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have more than halved since 2010.
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 2019.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Phenol
Phenol 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 (1 Census block groups, population-weighted demographics): a population of 909. Why we surface this →
37.1%
Low-income
15.3%
People of color
8.1%
Under age 5
15.1%
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.