Clean Water Act discharge permit · NPDES AK0000272
ALYESKA SEAFOODS UNALASKA PLANT, Unalaska, AK: NPDES AK0000272 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 14Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
ALYESKA SEAFOODS UNALASKA PLANT, held by Alyeska Seafoods, holds NPDES permit AK0000272, which discharges to Iliuliuk Harbor; Unalaska Bay. EPA’s file records it issued October 1, 2021 and expiring December 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ALYESKA SEAFOODS UNALASKA PLANT |
|---|---|
| Permittee as filed | Alyeska Seafoods |
| NPDES ID | AK0000272 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 1, 2021 |
| Expiration date | December 31, 2026 |
| Issuing agency | ADEC |
| Address | Unalaska, AK 99685 |
| Receiving water | Iliuliuk Harbor; Unalaska Bay |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 14Under a numeric limit
- 2With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. centigrade | 6 | 2 | 2 | July 31, 2024 | 23% over the limit |
| pH | 6 | 1 | 1 | September 30, 1996 | |
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 5 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 0 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Oil & grease, non-polar material | 4 | 0 | 0 | ||
| Turbidity | 2 | 0 | 0 | ||
| Solids, settleable | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Seafood Processing Waste | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES AK0000272.
Velarion’s copy of EPA’s ICIS-NPDES files does not 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AK0000272.
Start the watch
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- One watershed — $2,990/year
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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 AK0000272 there.
Nearby on the register
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- Every permit record in Alaska, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.