NPDES WA0000680 · Clean Water Act
ALCOA WENATCHEE LLC, Malaga, WA: NPDES WA0000680 discharge permit, effluent exceedances, inspections, penalties
ALCOA WENATCHEE LLC, Malaga, Washington: Individual permit WA0000680, held by Alcoa Wenatchee LLC; Effective; issued October 21, 2021, term to October 31, 2026, by State.
- Fluoride, total [as F]: 0 limits, 563 violations of any kind, 6 effluent exceedances, latest December 31, 2015, largest 184% over the limit.
- Aluminum, total [as Al]: 0 limits, 783 violations of any kind, 4 effluent exceedances, latest April 30, 2015, largest 115% over the limit.
- Solids, total suspended: 0 limits, 1,372 violations of any kind, 3 effluent exceedances, latest December 31, 2023, largest 158% over the limit.
- Flow: 0 limits, 616 violations of any kind.
- BOD, 5-day, 20 deg. C: 0 limits, 596 violations of any kind.
- Oil and grease, hexane extr method: 0 limits, 557 violations of any kind.
- Chlorine, total residual: 0 limits, 396 violations of any kind.
- Coliform, fecal general: 0 limits, 308 violations of any kind.
- Daily excursion time [min]: 0 limits, 294 violations of any kind.
- pH, maximum: 0 limits, 226 violations of any kind.
- pH, minimum: 0 limits, 226 violations of any kind.
- Volume, total: 0 limits, 157 violations of any kind.
- pH: 0 limits, 156 violations of any kind.
- Duration: 0 limits, 156 violations of any kind.
- Temperature, water deg. centigrade: 0 limits, 113 violations of any kind.
- BOD, percent removal [total]: 0 limits, 113 violations of any kind.
- Number of operating tubes: 0 limits, 113 violations of any kind.
- Solids, suspended percent removal: 0 limits, 113 violations of any kind.
- Benzo[a]pyrene: 0 limits, 87 violations of any kind.
- Total production - mass: 0 limits, 80 violations of any kind.
- Cyanide, total [as CN]: 0 limits, 78 violations of any kind.
- Cyanide, weak acid, dissociable: 0 limits, 18 violations of any kind.
- Potassium, total [as K]: 0 limits, 6 violations of any kind.
- Silica, total [as SiO2]: 0 limits, 6 violations of any kind.
- Copper, total [as Cu]: 0 limits, 6 violations of any kind.
- Iron, total [as Fe]: 0 limits, 6 violations of any kind.
- Manganese, total [as Mn]: 0 limits, 6 violations of any kind.
- Strontium, total [as Sr]: 0 limits, 6 violations of any kind.
- Zinc, total [as Zn]: 0 limits, 6 violations of any kind.
- Chromium, hexavalent [as Cr]: 0 limits, 2 violations of any kind.
- Dichlorobromomethane: 0 limits, 2 violations of any kind.
- Carbon tetrachloride: 0 limits, 2 violations of any kind.
- 1,2-Dichloroethane: 0 limits, 2 violations of any kind.
- Bromoform: 0 limits, 2 violations of any kind.
- Dibromochloromethane: 0 limits, 2 violations of any kind.
- Chloroform: 0 limits, 2 violations of any kind.
- Toluene: 0 limits, 2 violations of any kind.
- Benzene: 0 limits, 2 violations of any kind.
- .delta.-BHC: 0 limits, 2 violations of any kind.
- Acenaphthylene: 0 limits, 2 violations of any kind.
- Acenaphthene: 0 limits, 2 violations of any kind.
- Acrolein: 0 limits, 2 violations of any kind.
- Acrylonitrile: 0 limits, 2 violations of any kind.
- Anthracene: 0 limits, 2 violations of any kind.
- Benzo[b]fluoranthene: 0 limits, 2 violations of any kind.
- Benzo[k]fluoranthene: 0 limits, 2 violations of any kind.
- Bis[2-chloroethyl] ether: 0 limits, 2 violations of any kind.
- Bis[2-chloroethoxy]methane: 0 limits, 2 violations of any kind.
- Bis[2-chloroisopropyl] ether: 0 limits, 2 violations of any kind.
- Butyl benzyl phthalate: 0 limits, 2 violations of any kind.
- Chlorobenzene: 0 limits, 2 violations of any kind.
- Chrysene: 0 limits, 2 violations of any kind.
- Diethyl phthalate: 0 limits, 2 violations of any kind.
- Dimethyl phthalate: 0 limits, 2 violations of any kind.
- 1,2-Diphenylhydrazine: 0 limits, 2 violations of any kind.
- Endosulfan sulfate: 0 limits, 2 violations of any kind.
- .beta.-Endosulfan: 0 limits, 2 violations of any kind.
- .alpha.-Endosulfan: 0 limits, 2 violations of any kind.
- Endrin aldehyde: 0 limits, 2 violations of any kind.
- Ethylbenzene: 0 limits, 2 violations of any kind.
- June 30, 2026: Evaluation (S).
- June 4, 2026: Agency Enforcement Review (State).
- February 9, 2026: Agency Enforcement Review (State).
ALCOA WENATCHEE LLC among its neighbors
36 discharge permits are in the Hammond Lake-Columbia River subwatershed (HUC 170200100313); WA0000680 is one. Its county: 88, 2 major; WA0000680 is major permit.
Other permits in the Hammond Lake-Columbia River subwatershed (HUC 170200100313)
- AFFINITY AT WENATCHEE, East Wenatchee: WAR315147, minor, term to 2025-12-31
- AMERICAN ROCK PRODUCTS ROCK ISLAND, Rock Island: WAG505027, minor, term to 2026-03-31
- CENTRAL WASHINGTON ASPHALT DBA MITCHELL PAVING - MITCHELL CRUSHER, Orondo: WAG507187, minor, term to 2026-03-31
- COLUMBIA FRUIT PACKERS AIRPORT, East Wenatchee: WAG435266, minor, term to 2026-12-31
- COLUMBIA FRUIT PACKERS INC WARD STREET, East Wenatchee: WAG437027, minor, term to 2026-12-31
- DOUBLE DOWN IWLF, East Wenatchee: WAR315365, minor, term to 2030-12-31
- DOUGLAS CO TRANSPORTATION ROCK ISLAND SAND PIT, East Wenatchee: WAG505159, minor, term to 2026-03-31
- DOUGLAS CO TRANSPORTATION ZACHER QUARRY, East Wenatchee: WAG505139, minor, term to 2026-03-31
- E WENATCHEE MULTI FAMILY DEVELOPMENT, East Wenatchee: WAR315513, minor, term to 2030-12-31
- EAT05/06/09, East Wenatchee: WAR313022, minor, term to 2025-12-31
Identity
| Facility | ALCOA WENATCHEE LLC |
|---|---|
| Permittee | Alcoa Wenatchee LLC |
| NPDES ID | WA0000680 |
| Status | Effective |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Issued | October 21, 2021 |
| Expires | October 31, 2026 |
| Agency | State |
| Address | Malaga, WA 98828 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hammond Lake-Columbia River (HUC 170200100313) |
| Other EPA IDs (FRS) | RCRA handler WAD009270794 |
NPDES WA0000680: effluent limits and exceedances
ALCOA WENATCHEE LLC (NPDES WA0000680): 148 pollutants on file, 0 limited; 148 with a violation of any kind, 3 with an exceedance.
The 60 with the most exceedances of the 148 on file for NPDES WA0000680. How exceedances are counted.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Fluoride, total [as F] | 0 | 563 | 6 | December 31, 2015 | 184% over the limit |
| Aluminum, total [as Al] | 0 | 783 | 4 | April 30, 2015 | 115% over the limit |
| Solids, total suspended | 0 | 1,372 | 3 | December 31, 2023 | 158% over the limit |
| Flow | 0 | 616 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 596 | 0 | ||
| Oil and grease, hexane extr method | 0 | 557 | 0 | ||
| Chlorine, total residual | 0 | 396 | 0 | ||
| Coliform, fecal general | 0 | 308 | 0 | ||
| Daily excursion time [min] | 0 | 294 | 0 | ||
| pH, maximum | 0 | 226 | 0 | ||
| pH, minimum | 0 | 226 | 0 | ||
| Volume, total | 0 | 157 | 0 | ||
| pH | 0 | 156 | 0 | ||
| Duration | 0 | 156 | 0 | ||
| Temperature, water deg. centigrade | 0 | 113 | 0 | ||
| BOD, percent removal [total] | 0 | 113 | 0 | ||
| Number of operating tubes | 0 | 113 | 0 | ||
| Solids, suspended percent removal | 0 | 113 | 0 | ||
| Benzo[a]pyrene | 0 | 87 | 0 | ||
| Total production - mass | 0 | 80 | 0 | ||
| Cyanide, total [as CN] | 0 | 78 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 18 | 0 | ||
| Potassium, total [as K] | 0 | 6 | 0 | ||
| Silica, total [as SiO2] | 0 | 6 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Iron, total [as Fe] | 0 | 6 | 0 | ||
| Manganese, total [as Mn] | 0 | 6 | 0 | ||
| Strontium, total [as Sr] | 0 | 6 | 0 | ||
| Zinc, total [as Zn] | 0 | 6 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 2 | 0 | ||
| Dichlorobromomethane | 0 | 2 | 0 | ||
| Carbon tetrachloride | 0 | 2 | 0 | ||
| 1,2-Dichloroethane | 0 | 2 | 0 | ||
| Bromoform | 0 | 2 | 0 | ||
| Dibromochloromethane | 0 | 2 | 0 | ||
| Chloroform | 0 | 2 | 0 | ||
| Toluene | 0 | 2 | 0 | ||
| Benzene | 0 | 2 | 0 | ||
| .delta.-BHC | 0 | 2 | 0 | ||
| Acenaphthylene | 0 | 2 | 0 | ||
| Acenaphthene | 0 | 2 | 0 | ||
| Acrolein | 0 | 2 | 0 | ||
| Acrylonitrile | 0 | 2 | 0 | ||
| Anthracene | 0 | 2 | 0 | ||
| Benzo[b]fluoranthene | 0 | 2 | 0 | ||
| Benzo[k]fluoranthene | 0 | 2 | 0 | ||
| Bis[2-chloroethyl] ether | 0 | 2 | 0 | ||
| Bis[2-chloroethoxy]methane | 0 | 2 | 0 | ||
| Bis[2-chloroisopropyl] ether | 0 | 2 | 0 | ||
| Butyl benzyl phthalate | 0 | 2 | 0 | ||
| Chlorobenzene | 0 | 2 | 0 | ||
| Chrysene | 0 | 2 | 0 | ||
| Diethyl phthalate | 0 | 2 | 0 | ||
| Dimethyl phthalate | 0 | 2 | 0 | ||
| 1,2-Diphenylhydrazine | 0 | 2 | 0 | ||
| Endosulfan sulfate | 0 | 2 | 0 | ||
| .beta.-Endosulfan | 0 | 2 | 0 | ||
| .alpha.-Endosulfan | 0 | 2 | 0 | ||
| Endrin aldehyde | 0 | 2 | 0 | ||
| Ethylbenzene | 0 | 2 | 0 |
NPDES WA0000680: inspections, violations and enforcement
NPDES WA0000680: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| June 30, 2026 | Evaluation | S |
NPDES WA0000680: 2 informal enforcement actions
| Date | What EPA recorded | Agency |
|---|---|---|
| June 4, 2026 | Agency Enforcement Review | State |
| February 9, 2026 | Agency Enforcement Review | State |
NPDES WA0000680 (ALCOA WENATCHEE LLC): no single-event violation and formal enforcement action on file.
Watch NPDES WA0000680
NPDES WA0000680: one email when its EPA record changes — $99/month.
Permits near NPDES WA0000680
NPDES WA0000680: 148 pollutant rows, 3 dated events; ICIS-NPDES download, loaded October 14, 2026.