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Rulemaking is when we propose and adopt rules to protect the environment and public health. The Washington State Legislature guides all state rulemaking through a law known as the Administrative ...

The water year begins Oct. 1 and ends Sept. 30. Three months before the calendar year changes, hydrologists and other water scientists mark the start of the new water year. Starting the water year in ...

Public comments are accepted over a 30-, 45-, or 60-day period. During that time, you can share your input with us about specific changes in the permits we regulate. We review all comments and then ...

Arsenic and lead in soil puts people at risk, especially children. We provide free advice for developers and property owners on how to sample soil for arsenic and lead contamination and to complete ...

For the 2025 legislative session, we are proposing the agency request bills below to the Governor’s Office for consideration. As a covered agency under the HEAL Act (Chapter 70A.02 RCW), we are ...

Advice for selecting a dam safety engineering consultant: General advice about selecting an engineering consultant for your dam — tips for how to find and interview prospective engineering consultants ...

Current Washington Conservation Corps members can find information on how to access benefits, view paychecks, report an injury, and more. Download and complete required forms and send to our WCC Admin ...

In Washington, we have a powerful law that helps state and local agencies identify potential environmental impacts that might result from proposed projects and decisions. This law is called the State ...

Focus: Jurisdictional health authorities use the criteria for inert waste to determine if a waste qualifies for less stringent management standards. For instance, inert wastes qualify for piles ...

The Legislature directed us to update of the strategy under the Integrated Climate Change Response Strategy (Chapter 70A.05 RCW) in partnership with nine other state agencies. The strategy addresses ...

The FAC provides us with advice and guidance for the effective and efficient administration of state and federal grant and loan programs. The purpose of the council is to: Provide feedback on ...