Facility profile
Weyerhaeuser Nr- Columbia Falls
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
12
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-06-09
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 165,021 lbs | 0 lbs | 0 lbs | 165,021 lbs |
| 2023 | 139,598 lbs | 0 lbs | 0 lbs | 139,598 lbs |
| 2024 | 148,954 lbs | 0 lbs | 0 lbs | 148,954 lbs |
Chemical breakdown
What this facility is reporting
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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Formaldehyde
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dioxin and dioxin-like compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Diisocyanates
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.