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Clean Water Act discharge permit · NPDES WAR313571

CANYON RIDGE, Bothell, WA: NPDES WAR313571 discharge permit, effluent exceedances, inspections, penalties

CANYON RIDGE, held by Ionic Homes, holds NPDES permit WAR313571. EPA’s file records it issued November 18, 2020 and expiring December 31, 2025.

CANYON RIDGE, Bothell, Washington: Coverage under a general permit WAR313571, held by Ionic Homes; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 18, 2020, term to December 31, 2025, by State.

  • pH: 2 limits, 48 violations of any kind, 0 effluent exceedances.
  • Turbidity: 1 limit, 24 violations of any kind, 0 effluent exceedances.
  • Transparency: 1 limit, 24 violations of any kind, 0 effluent exceedances.

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before WAR313571.

Coverages issued nearest WAR313571

CANYON RIDGE among its neighbors

EPA’s permit file holds 117 discharge permits in the North Creek subwatershed (HUC 171100120302), WAR313571 among them. Its county holds 619, 4 of them major permits; WAR313571 is a minor permit.

Other permits in the North Creek subwatershed (HUC 171100120302)

Identity

Facility as filedCANYON RIDGE
Permittee as filedIonic Homes
NPDES IDWAR313571
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 18, 2020
Expiration dateDecember 31, 2025
Issuing agencyState
AddressBothell, WA 98021
SubwatershedNorth Creek (HUC 171100120302)

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
pH2480
Turbidity1240
Transparency1240

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WAR313571.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR313571.

Inspections

EPA’s inspection file holds no inspection for NPDES WAR313571.

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 WAR313571.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit WAR313571 for CANYON RIDGE in Bothell, WA, held by Ionic Homes, a construction stormwater permit that is administratively continued in North Creek (HUC 171100120302). The page lists 3 pollutants on file, 3 under a numeric limit, 3 with a violation of any kind, and 0 with an effluent exceedance.