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.
ROD ROD BENT 17-03 July 17 2018
A Report of Decision from the Benton County Water Conservancy Board
https://ecology.wa.gov/rod-rod-bent-17-03-july-17-2018
7Q10 for High Flows on the Columbia/Snake Rivers
Guidelines for arriving at 7Q10 for dissolved gas standards.
https://ecology.wa.gov/7q10forhighflows
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
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
Sprague Lake Community Mtg
Sprague Lake Hydrology Analysis Community Kick-Off Meeting November 22, 2022
https://ecology.wa.gov/sprague-lake
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