TRI facility · TRI 2024 reporting year

Clearwater Paper Corp-Ppd & Cpd Idaho

Total reported releases 898k lb held roughly steady year over year (-4%). Total releases concentrations have fallen 24% since 2010.

803 MILL RD, Lewiston, Idaho · 322110 · Paper · operated by Clearwater Paper CORP

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 898k.1.5M'10'12'14'16'18'20'22'24898k
Anomaly engine

Notable Signals

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Nitrate compounds (water dissociable; reportable only when in aqueous solution)

Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Clearwater Paper Corp-Ppd & Cpd Idaho rose from 14k lb to 57k lb (4.1×) between 2023 and 2024.

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Barium And Barium Compounds

Barium And Barium Compounds at Clearwater Paper Corp-Ppd & Cpd Idaho have more than three-quarters since 2010 (through 2024).

LONG-ARC IMPROVEMENT · LONG-ARC SHIFT

Manganese And Manganese Compounds

Manganese And Manganese Compounds at Clearwater Paper Corp-Ppd & Cpd Idaho have more than three-quarters since 2010 (through 2024).

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS 67-56-1

Methanol

415k lb · +1% YoY

Methanol concentrations are up 16% since 2010.

GENERALCAS 7664-41-7

Ammonia

136k lb · -19% YoY

Ammonia concentrations are roughly unchanged from 2010.

GENERALCAS 7783-06-4

Hydrogen sulfide

86k lb · -14% YoY

Hydrogen sulfide concentrations are up 40% since 2012.

GENERALCAS N511

Nitrate compounds (water dissociable; reportable only when in aqueous solution)

57k lb · +311% YoY

Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2010.

RESPIRATORYCAS 1319-77-3

Cresol (mixed isomers)

39k lb · -18% YoY

Cresol (mixed isomers) concentrations have more than doubled since 2010.

CARCINOGENCAS 75-07-0

Acetaldehyde

36k lb · -19% YoY

Acetaldehyde concentrations have more than halved since 2010.

RESPIRATORYCAS 7647-01-0

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

35k lb · -10% YoY

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.

GENERALCAS 7664-93-9

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

28k lb · -18% YoY

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 26% since 2018.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (18 Census block groups, population-weighted demographics): a population of 22,049. Why we surface this →

POPULATION SHARE
36.1%

Low-income

POPULATION SHARE
11.7%

People of color

POPULATION SHARE
4.8%

Under age 5

POPULATION SHARE
20.3%

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.