Clean Water Act discharge permit · NPDES WA0030864
NORTHLAKE SHIPYARD INC, Seattle, WA: NPDES WA0030864 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
NORTHLAKE SHIPYARD INC holds NPDES permit WA0030864. EPA’s file records it issued January 14, 2014 and expiring January 14, 2019.
NORTHLAKE SHIPYARD INC, Seattle, Washington: Individual permit WA0030864; Administratively continued (past its expiration date and still in force until reissued); issued January 14, 2014, term to January 14, 2019, by State.
- Oil and grease, hexane extr method: 4 limits, 4 violations of any kind, 1 effluent exceedance, latest December 31, 2024, largest 122% over the limit.
- Turbidity, increase over background: 4 limits, 2 violations of any kind, 1 effluent exceedance, latest March 31, 2025.
- Copper, total [as Cu]: 4 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, total [as Zn]: 4 limits, 3 violations of any kind, 0 effluent exceedances.
- Turbidity: 8 limits, 2 violations of any kind, 0 effluent exceedances.
- Oil and grease visual: 4 limits, 1 violation of any kind, 0 effluent exceedances.
- Copper, dissolved [as Cu]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, dissolved [as Pb]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, total [as Pb]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, dissolved [as Zn]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
NORTHLAKE SHIPYARD INC among its neighbors
EPA’s permit file holds 475 discharge permits in the Lake Washington-Sammamish River subwatershed (HUC 171100120400), WA0030864 among them. Its county holds 1,319, 8 of them major permits; WA0030864 is a minor permit.
Other permits in the Lake Washington-Sammamish River subwatershed (HUC 171100120400)
- 10400 NE 52ND STREET, Kirkland: WAR127048, minor permit, permit term to December 31, 2015
- 11040 MAIN STREET, Bellevue: WAR315164, minor permit, permit term to December 31, 2025
- 115 KV LINE SEATTLE, Seattle: WAR303474, minor permit, permit term to December 31, 2015
- 120TH AVE NE STAGE 2, Bellevue: WAR302269, minor permit, permit term to December 31, 2015
- 120TH AVE NE STAGE 2, Bellevue: WAR302988, minor permit, permit term to December 31, 2015
- 120TH AVE NE STAGE 2 - A, Bellevue: WAR302686, minor permit, permit term to December 31, 2015
- 124TH AVE NE PEDESTRIAN SAFETY IMPROVEMENTS, Kirkland: WAR313048, minor permit, permit term to December 31, 2025
- 145TH STREET AND I5 INTERCHANGE IMPROVEMENTS, Shoreline: WAR312278, minor permit, permit term to December 31, 2025
- 150TH AVENUE SE AT I90 ROADWAY PROJECT, Bellevue: WAR314605, minor permit, permit term to December 31, 2025
- 1740 NW MARKET ST, Seattle: WAR315491, minor permit, permit term to December 31, 2030
Identity
| Facility as filed | NORTHLAKE SHIPYARD INC |
|---|---|
| Permittee as filed | NORTHLAKE SHIPYARD INC |
| NPDES ID | WA0030864 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 14, 2014 |
| Expiration date | January 14, 2019 |
| Issuing agency | State |
| Address | Seattle, WA 98103 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lake Washington-Sammamish River (HUC 171100120400) |
| SIC | 3731 – Ship Building And Repairing |
| Other EPA IDs (FRS) | RCRA handler WAD009264284 |
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Oil and grease, hexane extr method | 4 | 4 | 1 | December 31, 2024 | 122% over the limit |
| Turbidity, increase over background | 4 | 2 | 1 | March 31, 2025 | |
| Copper, total [as Cu] | 4 | 3 | 0 | ||
| Zinc, total [as Zn] | 4 | 3 | 0 | ||
| Turbidity | 8 | 2 | 0 | ||
| Oil and grease visual | 4 | 1 | 0 | ||
| Copper, dissolved [as Cu] | 4 | 0 | 0 | ||
| Lead, dissolved [as Pb] | 4 | 0 | 0 | ||
| Lead, total [as Pb] | 4 | 0 | 0 | ||
| Zinc, dissolved [as Zn] | 4 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0030864.
Inspections
EPA’s inspection file holds no inspection for NPDES WA0030864.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES WA0030864.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.