Regulations & Permits

We oversee many state and federal laws designed to protect Washington's land, air, and water. Rules and regulations that direct state agencies, local governments, businesses, and others on how to comply with relevant laws are compiled in the Washington Administrative Code. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
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2014 moderate risk waste report - 2014 Solid Waste Report
Moderate risk waste data from the 2014 solid waste report
Rulemaking Proposal (WAC 173-350) 1/23/18
This is a rulemaking proposal (CR-102) for WAC 173-350 Solid Waste Handling Standards
Rulemaking proposed language (WAC 173-350) 1/23/18
This is proposed rule language for WAC 173-350 Solid Waste Handling Standards.
Fertilizer Production Companies - look-up tool
Information about commercial fertilizers that are registered for distribution in the state of Washington.
Children's Safe Product Act Reported Data
Search the database of reports required from manufacturers of children's products about the presence of specific toxic chemicals of concern in their products. Products covered include toys, cosmetics, jewelry, and baby products.
Dangerous waste permits
Dangerous waste permits apply to facilities that store, treat, or dispose of dangerous wastes.
Used oil
There are different requirements for managing your used oil and waste oil.
Preliminary Draft Rule Text (PDF)
Read the text of the rule with proposed changes highlighted.
Materials composted in Washington 2016
A spreadsheet of facilities showing the types and quantities of materials composted in 2016.
Waste 2 Resources Advisory Committee Roster
Current membership roster for the Waste 2 Resources Advisory Committee
Moderate Risk Waste - 2013 Solid Waste Report
Moderate risk waste data from the 2013 solid waste report
Rulemaking Proposal WAC 173-350 01/23/18
This is the information the agency filed with the Office of the Code Reviser on January 23, 2018 to formally propose amendments to Chapter 173-350 WAC - Solid Waste Handling Standards
Label dangerous waste
Learn how to label dangerous waste containers.
Scientific services
We offer scientific services to support environmental work and inquiry for projects funded through public dollars. We provide accurate, credible, and defensible analyses using the latest accredited methods.
Rulemaking at Ecology
Ecology has delegated federal and state authority to implement and enforce various environmental laws and rules. We accomplish this through our open and public rulemaking process.
Online tools & databases
This is the gateway to Ecology's many web-accessible databases and tools.
If your business has mercury dangerous waste, you must manage it properly and protect your workers.
If your business has leftover fertilizer, you need to dispose of it properly.
Paints & coatings
Many paints and coatings are dangerous waste. Find out how to handle them.
Managing pharmaceutical waste
Toxic chemicals in some pharmaceuticals may pollute the environment if not managed properly.
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