This spreadsheet lists the deadlines for producers to use increasingly higher percentages of recycled materials in their products.

This is adopted rule language for WAC 173-03 Public Records.

This is adopted rule language for WAC 173-555 Water Resources Program in the Little Spokane River basin, WRIA 55.

This is adopted rule language for WAC 173-566 Streamflow Restoration Funding

This is adopted rule language for WAC 173-407 Greenhouse Gas Mitigation Requirements and Emissions Performance Standard for Power Plants.

This is adopted rule language for WAC 173-323 Grants and loans.

Public webinar presentation given 6-25-20

This is adopted rule language for WAC 173-445, Air Quality Fee Rule.

Summary of selected Washington appellate court decisions related to shorelines.

This is adopted rule language for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer.

This is a rulemaking adoption focus sheet for WAC 173-230 AO 18-02 Wastewater Operator Certification

Public webinar presentation given 7-23-20

Meeting summary for 7-23-20 public rulemaking webinar

Public webinar presentation given 8-27-20

Meeting summary for 8-27-20 public rulemaking webinar

This is the adopted rule language for Chapter 173-201A WAC (recreation use criteria).

This is adopted rule language for WAC 173-201A Water quality standards for surface waters of the state of Washington.

Assessment of Areal Recharge to the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, United States Geological Survey, Scientific Investigations Report 2007–5038 WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

This is adopted rule language for WAC 173-224 Water Quality Permit Fees

This is adopted rule language for WAC 173-50 Accreditation of Environmental Laboratories.