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Clean Water Act discharge permit · NPDES WAL023451

REDONDO WWTP, Federal Way, WA: NPDES WAL023451 discharge permit, effluent exceedances, inspections, penalties

REDONDO WWTP holds NPDES permit WAL023451. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for REDONDO WWTP: its NPDES ID, its permit type and status, its dates, its address in Federal Way, Washington. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WAL023451.

Identity

Facility as filedREDONDO WWTP
Permittee as filedREDONDO WWTP
NPDES IDWAL023451
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeAssociated permit record
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramBiosolids
IssuedJanuary 1, 2021
Expiration dateDecember 31, 2025
AddressFederal Way, WA 98023
Receiving water impaired303(D) Listed
SubwatershedMiller Creek-Frontal East Passage (HUC 171100190204)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WAL023451.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAL023451.

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, WAL023451.

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How we handle your data → Privacy

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 WAL023451 there.

Nearby on the register

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

What this page shows

Of the 14 biosolids permits in King County, 0.0% carry a violation on file, and REDONDO WWTP is among them. The Miller Creek-Frontal East Passage subwatershed holds 107 NPDES permits, and REDONDO WWTP sits within it. King County lists 14 biosolids permits, and 0.0% of them were issued before REDONDO WWTP.