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Clean Water Act discharge permit · NPDES WAR315919

MAINSTREET SWYFT, Kirkland, WA: NPDES WAR315919 discharge permit, effluent exceedances, inspections, penalties

MAINSTREET SWYFT, held by MainStreet Property Group, holds NPDES permit WAR315919. EPA’s file records it issued November 19, 2025 and expiring December 31, 2030.

MAINSTREET SWYFT, Kirkland, Washington: Coverage under a general permit WAR315919, held by MainStreet Property Group; Construction stormwater; Effective; issued November 19, 2025, term to December 31, 2030, by State.

  • pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Turbidity: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Transparency: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 3,913 were issued before WAR315919.

Coverages issued nearest WAR315919

MAINSTREET SWYFT among its neighbors

EPA’s permit file holds 475 discharge permits in the Lake Washington-Sammamish River subwatershed (HUC 171100120400), WAR315919 among them. Its county holds 1,319, 8 of them major permits; WAR315919 is a minor permit.

Other permits in the Lake Washington-Sammamish River subwatershed (HUC 171100120400)

What the register holds for MAINSTREET SWYFT: its NPDES ID, its permit type and status, its dates, its address in Kirkland, Washington, and 3 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WAR315919.

Identity

Facility as filedMAINSTREET SWYFT
Permittee as filedMainStreet Property Group
NPDES IDWAR315919
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 19, 2025
Expiration dateDecember 31, 2030
Issuing agencyState
AddressKirkland, WA 98034
SubwatershedLake Washington-Sammamish River (HUC 171100120400)

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH200
Turbidity100
Transparency100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WAR315919.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR315919.

Inspections

EPA’s inspection file holds no inspection for NPDES WAR315919.

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 WAR315919.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The page covers NPDES permit WAR315919 for MAINSTREET SWYFT in Kirkland, WA, held by MainStreet Property Group, with the permit shown as Effective, a Minor discharger class 3, and a construction stormwater program. The permit was issued November 19, 2025, expires December 31, 2030, and lists 3 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, within subwatershed HUC 171100120400.