NPDES WA0037338 · Clean Water Act
TRANSALTA CENTRALIA MINING LLC, Centralia, WA: NPDES WA0037338 discharge permit, effluent exceedances, inspections, penalties
TRANSALTA CENTRALIA MINING LLC, Centralia, Washington: Individual permit WA0037338, held by TransAlta Centralia Mining LLC; Effective; issued October 4, 2017, term to October 31, 2022, by State; Bituminous Coal and Lignite Surface Mining.
- Temperature, water deg. centigrade: 0 limits, 150 violations of any kind, 6 effluent exceedances, latest June 30, 2017, largest 7% over the limit.
- Oxygen, dissolved [DO]: 0 limits, 17 violations of any kind, 5 effluent exceedances, latest June 30, 2024, largest 26% over the limit.
- Solids, total suspended: 0 limits, 154 violations of any kind, 4 effluent exceedances, latest April 30, 2026, largest 178% over the limit.
- Manganese, total [as Mn]: 0 limits, 9 violations of any kind, 3 effluent exceedances, latest January 31, 2019, largest 47% over the limit.
- pH: 0 limits, 149 violations of any kind, 1 effluent exceedance, latest January 31, 2016.
- Turbidity: 0 limits, 330 violations of any kind.
- Iron, total [as Fe]: 0 limits, 74 violations of any kind.
- Flow: 0 limits, 50 violations of any kind.
- Hydrocarbons, total petroleum: 0 limits, 15 violations of any kind.
- Solids, settleable: 0 limits, 2 violations of any kind.
- Aluminum, total [as Al]: 0 limits, 2 violations of any kind.
Other permits held by TransAlta Centralia Mining LLC
- TRANSALTA CENTRALIA MINING LANDFILL, Centralia: WA0040215, issued 2014-12-09
TRANSALTA CENTRALIA MINING LLC among its neighbors
3 discharge permits are in the North Fork Newaukum River subwatershed (HUC 171001030203); WA0037338 is one. Its county: 160, 4 major; WA0037338 is major permit.
Other permits in the North Fork Newaukum River subwatershed (HUC 171001030203)
- MERIDIAN HILL QUARRY, Centralia: WAG501490, minor, term to 2026-03-31
- NORTH FORK NEWAUKUM RIVER RESTORATION SITE 2, Chehalis: WAR316050, minor, term to 2030-12-31
Identity
| Facility | TRANSALTA CENTRALIA MINING LLC |
|---|---|
| Permittee | TransAlta Centralia Mining LLC |
| NPDES ID | WA0037338 |
| Status | Effective |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Issued | October 4, 2017 |
| Expires | October 31, 2022 |
| Agency | State |
| Address | Centralia, WA 98531 |
| Subwatershed | North Fork Newaukum River (HUC 171001030203) |
| NAICS | 212111 – Bituminous Coal and Lignite Surface Mining |
| SIC | 1221 – Bituminous Coal And Lignite - Surface |
| Other EPA IDs (FRS) | RCRA handler WAD052594751; ICIS-AIR source WASWC0005304100046 |
NPDES WA0037338: effluent limits and exceedances
TRANSALTA CENTRALIA MINING LLC (NPDES WA0037338): 11 pollutants on file, 0 limited; 11 with a violation of any kind, 5 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Temperature, water deg. centigrade | 0 | 150 | 6 | June 30, 2017 | 7% over the limit |
| Oxygen, dissolved [DO] | 0 | 17 | 5 | June 30, 2024 | 26% over the limit |
| Solids, total suspended | 0 | 154 | 4 | April 30, 2026 | 178% over the limit |
| Manganese, total [as Mn] | 0 | 9 | 3 | January 31, 2019 | 47% over the limit |
| pH | 0 | 149 | 1 | January 31, 2016 | |
| Turbidity | 0 | 330 | 0 | ||
| Iron, total [as Fe] | 0 | 74 | 0 | ||
| Flow | 0 | 50 | 0 | ||
| Hydrocarbons, total petroleum | 0 | 15 | 0 | ||
| Solids, settleable | 0 | 2 | 0 | ||
| Aluminum, total [as Al] | 0 | 2 | 0 |
NPDES WA0037338: inspections, violations and enforcement
NPDES WA0037338 (TRANSALTA CENTRALIA MINING LLC): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES WA0037338
NPDES WA0037338: one email when its EPA record changes — $99/month.
Permits near NPDES WA0037338
NPDES WA0037338: 11 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.