Facility Summary

CARNATION WWTP

Facility Name:
CARNATION WWTP
Address:
31500 W ENTWISTLE
City:
CARNATION
County:
King


Permits as of 10/24/2025 - Bold Records Indicate Active Permits
Click the version number to view the permit documents associated with the permit.
Permit NumberTypeVersionEffective DateExpiration Date
WA0032182Municipal NPDES IP 1 4/16/20084/15/2013
WA0032182Municipal NPDES IP 2 1/1/201412/31/2018
WA0032182Municipal NPDES IP 3 11/1/202110/31/2026
Permit NumberViolations/TriggersInspectionsEnforcements
WA0032182
64
16
13
These counts represent "all time". Click to view the details of these values. Links will show only active permits by default.
-Feature Active -Feature Inactive -Facility -Facility
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Most Recent Interactions (Enforcements, Inspections and Submittals)
Data TypeAction DateDescription
Submittal10/20/2025Permit
Submittal10/2/2025Permit
Submittal8/7/2025Permit
Submittal3/18/2025Permit
Submittal3/13/2025Permit
Inspection10/12/2023Pretreatment Audit
Inspection9/8/2023Compliance Inspection-Without Sampling
Enforcement2/24/2022Informal Action - Letter
Inspection4/29/2019Pretreatment Compliance
Inspection12/11/2018Compliance Inspection-With Sampling
Enforcement10/26/2018Informal Action - Letter
Inspection4/25/2018Pretreatment Compliance
Enforcement6/1/2017No enforcement action necessary
Enforcement5/16/2017No enforcement action necessary
Enforcement12/18/2012No enforcement action necessary
Facility Documents
Click on the document name to download and open the document.
Permit NumberPermit VersionDocument TypePermit StatusIssued DatePermit TypeDocument NamePublic Notice DateInfo
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 10/20/2025Other Received: 10/20/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 10/20/2025Other Received: 10/20/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 10/20/2025Other Received: 10/20/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 10/2/2025Outfall Evaluation Received: 10/02/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 10/2/2025Outfall Evaluation Received: 10/02/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 9/9/2025Outfall Evaluation Received: 10/02/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 9/9/2025Outfall Evaluation Received: 10/02/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP  Electronic Signature Agreement Form or Waiver Received: 08/07/2025
WA00321821Inspection RelatedInactive4/15/2008Municipal NPDES IP  Pretreatment Compliance Inspection Date: 06/23/2009
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 3/13/2025Reclaimed Water Annual Report Received: 03/13/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 3/13/2025Reclaimed Water Annual Report Received: 03/13/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 3/13/2025Reclaimed Water Annual Report Received: 03/13/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 3/13/2025Reclaimed Water Annual Report Received: 03/13/2025
WA00321823Permit SubmittalsActive9/24/2021Municipal NPDES IP 3/13/2025Reclaimed Water Annual Report Received: 03/13/2025
WA00321823Ecology CommunicationActive9/24/2021Municipal NPDES IP   
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