Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
Online UIC injection well registration
We provide online access to register new and existing underground injection control (UIC) wells.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/register-uic-wells-online
Step two: Is it exempt or excluded?
Determine if your waste is excluded from the dangerous waste regulations.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation/is-it-exempt-or-excluded
Underground injection control well registration requirements & information
Get Underground Injection Control (UIC) well registration requirements and information.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/uic-registration-requirements-information
A User's Guide to Compost: The Beauty of Your Lawn and Garden Blossoms from the Soil
A composting guide aimed at homeowners.
https://ecology.wa.gov/a-user-s-guide-to-compost-the-beauty-of-your-lawn
Building Soil: Guidelines and Resources for Implementing Soil Quality and Depth BMP T5.13
Best management practices for composting and soil management.
https://ecology.wa.gov/building-soil-guidelines-and-resources-for-implem
Heat pump & air conditioning return flow UIC wells
Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells
7Q10 for High Flows on the Columbia/Snake Rivers
Guidelines for arriving at 7Q10 for dissolved gas standards.
https://ecology.wa.gov/7q10forhighflows
Cannabis Lab Accreditation Webinar Slides, 10-25-2018
Slide deck from outreach event about the draft legislative report on the accreditation of cannabis laboratories.
https://ecology.wa.gov/cannabis-labs-webinar-slide-deck-no-audio
Cannabis Lab Report
Overview of Ecology's 2019 report to the Legislature on the state's cannabis lab accreditation program.
https://ecology.wa.gov/cannabis-lab-report-overview
Plan to improve cannabis lab accreditation
Ecology's overview of their plan to move cannabis lab accreditation to Ecology from the Liquor and Cannabis Board.
https://ecology.wa.gov/plan-for-cannabis-labs
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