Clean Water Act discharge permit · NPDES MTX000092
PLUM CREEK MANUFACTURING FACIL, Columbia Falls, MT: NPDES MTX000092 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 27Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
PLUM CREEK MANUFACTURING FACIL, held by WEYERHAEUSER NR COMPANY, holds NPDES permit MTX000092, which discharges to Ground Water. EPA’s file records it issued May 9, 2014 and expiring June 30, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PLUM CREEK MANUFACTURING FACIL |
|---|---|
| Permittee as filed | WEYERHAEUSER NR COMPANY |
| NPDES ID | MTX000092 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 9, 2014 |
| Expiration date | June 30, 2019 |
| Address | Columbia Falls, MT 59912 |
| Receiving water | GROUND WATER |
| Subwatershed | Last Chance Gulch (HUC 100301011309) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 41Pollutants on file
- 27Under a numeric limit
- 33With a violation of any kind
- 8With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, total [as N] | 12 | 11 | 8 | October 31, 2020 | 120% over the limit |
| Manganese, dissolved [as Mn] | 5 | 8 | 7 | June 30, 2014 | 1,100% over the limit |
| pH | 5 | 14 | 5 | September 30, 2011 | |
| Arsenic, dissolved [as As] | 12 | 6 | 3 | June 30, 2015 | 4,900% over the limit |
| Iron, dissolved [as Fe] | 5 | 3 | 2 | June 30, 2011 | 193% over the limit |
| Aluminum, dissolved [as Al] | 5 | 3 | 2 | June 30, 2011 | 500% over the limit |
| Phenolics, total recoverable | 12 | 3 | 1 | May 31, 2017 | 55% over the limit |
| Total phenols | 0 | 2 | 1 | January 31, 2009 | 67% over the limit |
| Specific conductance | 0 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 12 | 8 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 12 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 12 | 8 | 0 | ||
| Chloride [as Cl] | 5 | 6 | 0 | ||
| Solids, total dissolved [TDS] | 9 | 5 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 5 | 0 | ||
| Water level at sample collection time | 5 | 4 | 0 | ||
| Hydrocarbons, petroleum | 0 | 3 | 0 | ||
| Phosphorus, total [as P] | 5 | 2 | 0 | ||
| Barium, dissolved [as Ba] | 5 | 1 | 0 | ||
| Zinc, dissolved [as Zn] | 5 | 1 | 0 | ||
| Formaldehyde | 5 | 1 | 0 | ||
| Chemical Oxygen Demand [COD] | 1 | 1 | 0 | ||
| Bicarbonate ion- [as HCO3] | 0 | 1 | 0 | ||
| Phosphate, total [as PO4] | 0 | 1 | 0 | ||
| Calcium, total [as Ca] | 0 | 1 | 0 | ||
| Magnesium, total [as Mg] | 0 | 1 | 0 | ||
| Potassium, total [as K] | 0 | 1 | 0 | ||
| Sulfate, total [as SO4] | 0 | 1 | 0 | ||
| Fluoride, total [as F] | 0 | 1 | 0 | ||
| Copper, dissolved [as Cu] | 0 | 1 | 0 | ||
| Tannin and lignin | 0 | 1 | 0 | ||
| Petrol hydrocarbons, total recoverable | 0 | 1 | 0 | ||
| Sodium, total [as Na] | 0 | 1 | 0 | ||
| Conductivity | 9 | 0 | 0 | ||
| Cadmium, dissolved [as Cd] | 7 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 5 | 0 | 0 | ||
| Fluoride | 5 | 0 | 0 | ||
| Sulfate | 5 | 0 | 0 | ||
| Hydrocarbons, total petroleum | 5 | 0 | 0 | ||
| Toluene | 4 | 0 | 0 | ||
| Oil and grease, hexane extr method | 3 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 9, 2023 | Monitoring Violations - Analysis not Conducted | ST6 |
| November 9, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MTX000092 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.