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Stormwater (130 publications 1984-2025)

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Title (link to summary)NumberDate (released or updated)
Focus on: 2025 Industrial Stormwater General Permit 24-10-024December 2024
Spokane River Watershed, West Plains Area: Addendum 2 to Programmatic Quality Assurance Project Plan: Statewide PFAS Preliminary Assessments 24-03-105December 2024
Technical Guidance Manual for Evaluating Emerging Stormwater Treatment Technologies: Technology Assessment Protocol - Ecology (TAPE) 18-10-038November 2024
6PPD Action Plan and Alternatives Assessment: Progress Report and Recommendations 24-04-053October 2024
Guidance on using new high performance bioretention soil mixes 21-10-023September 2024
Lower Columbia Urban Streams Monitoring Annual Status Report (2022-2023) 24-10-050August 2024
Focus on municipal stormwater and 6PPD 24-10-045July 2024
2024 Stormwater Management Manual for Eastern Washington 24-10-014July 2024
2024 Stormwater Management Manual for Western Washington 24-10-013July 2024
Addendum 1 to Programmatic Quality Assurance Project Plan Statewide Preliminary PFAS Assessments 24-03-102June 2024
Pollution Prevention Assistance Partnership: 2021–2023 Biennium Report 24-04-016April 2024
Standard Operating Procedure for Calculating Pollutant Loads for Stormwater Discharges v 1.1 18-10-026March 2024
Standard Operating Procedure for Collection of Stormwater Solids Using In-Line Traps v 2.0 18-10-025March 2024
Standard Operating Procedure for Automatic Sampling for Stormwater Monitoring v 1.1 18-10-024March 2024
Standard Operating Procedure for Collecting Grab Samples from Stormwater Discharges v 1.1 18-10-023March 2024
Programmatic Quality Assurance Project Plan: Statewide PFAS Preliminary Assessments 24-03-101February 2024
Mối Liên hệ Giữa Lốp xe, Cá và Con người (Vietnamese) 23-04-058VIJanuary 2024
Xidhiidhka U Dhaxaya Taayarada, Kaluunka, iyo Anaka (Somali) 23-04-058SOJanuary 2024
La Conexión entre las Llantas, los Peces y Nosotros (Spanish) 23-04-058ESJanuary 2024

 

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