Facility Summary

SNOHOMISH STP

Facility Name:
SNOHOMISH STP
Address:
2115 2nd Street
City:
SNOHOMISH
County:
Snohomish


Permits as of 6/30/2025 - Bold Records Indicate Active Permits
Click the version number to view the permit documents associated with the permit.
Permit NumberTypeVersionEffective DateExpiration Date
WA0029548Municipal NPDES IP 7   
WA0029548Municipal NPDES IP 1 9/14/19829/14/1987
WA0029548Municipal NPDES IP 2 6/21/19946/21/1999
WA0029548Municipal NPDES IP 3 5/1/20006/30/2004
WA0029548Municipal NPDES IP 4 8/1/20067/31/2011
WAR045543Municipal SW Phase II Western WA GP 1 2/16/20072/15/2012
WAR045543Municipal SW Phase II Western WA GP 2 9/1/20127/31/2013
WA0029548Municipal NPDES IP 5 11/1/201211/1/2017
WAR045543Municipal SW Phase II Western WA GP 3 8/1/20137/31/2018
WA0029548Municipal NPDES IP 6 7/1/20186/30/2023
WAR045543Municipal SW Phase II Western WA GP 4 8/1/20197/31/2024
WAG994533Puget Sound Nutrient GP 1 2/1/202212/31/2026
WAR045543Municipal SW Phase II Western WA GP 5 8/1/20247/31/2029
Permit NumberViolations/TriggersInspectionsEnforcements
WA0029548
671
22
129
WAG994533
2
0
0
WAR045543
4
2
0
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
Enforcement5/1/2020Informal Action - Letter
Enforcement1/24/2019Informal Action - Letter
Enforcement4/26/2018Informal Action - Letter
Enforcement10/11/2017No enforcement action necessary
Enforcement10/11/2017No enforcement action necessary
Inspection12/31/2024Technical Assistance Visit
Inspection9/24/2024Technical Assistance Visit
Inspection7/8/2019Compliance Inspection-Without Sampling
Inspection1/24/2017Compliance Inspection-With Sampling
Inspection2/10/2011Operator Outreach Inspection
Submittal2/26/2025Permit
Submittal3/19/2024Permit
Submittal3/3/2023Permit
Submittal1/6/2023Permit
Submittal1/4/2023Permit
Facility Documents
Click on the document name to download and open the document.
Permit NumberPermit VersionDocument TypePermit StatusIssued DatePermit TypeDocument NamePublic Notice DateInfo
 5Permit SubmittalsActive7/1/2024Municipal SW Phase II Western WA GP  Electronic Signature Agreement Form or Waiver Received: 04/01/2024
 1Permit DocumentsActive12/1/2021Puget Sound Nutrient GP   
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/19/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/19/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/19/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/19/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/19/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/19/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/6/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/6/2025Other Received: 03/19/2025
 1Permit SubmittalsActive12/1/2021Puget Sound Nutrient GP 3/6/2025Other Received: 03/19/2025
 5Permit SubmittalsActive7/1/2024Municipal SW Phase II Western WA GP 2/28/2025MS4 - Annual Report Phase II Western Received: 02/28/2025
 5Permit SubmittalsActive7/1/2024Municipal SW Phase II Western WA GP 2/28/2025MS4 - Annual Report Phase II Western Received: 02/28/2025
 6Permit SubmittalsActive5/21/2018Municipal NPDES IP 2/26/2025Combined Sewer Overflow Report Received: 02/26/2025
 6Permit SubmittalsActive5/21/2018Municipal NPDES IP 2/26/2025Combined Sewer Overflow Report Received: 02/26/2025
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