In recent history, Washington has experienced three very strong El Niño events: 2016, 1998 and 1984. All three of those years ...

The drought declared in April and expanded in June continues with no end in sight. A group of state and federal water supply experts — the Water Supply Availability Committee — says there’s not enough ...

For more than a year, we have been working with Tribes, local governments, state agencies, and the public to help us update five state shoreline management rules. While we will have final draft rule ...

Gardeners, landscapers, and homeowners all love compost. But no one loves the bits of plastic, paper – even glass – that sometimes get mixed in with commercially produced compost. That contamination ...

Residents attend one of the many tours around Capitol Lake to learn how an upcoming project will restore a historic estuary. Hundreds showed up for the open house and educational walking tour March 7.

The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...

The following links provide information about important SEPA subjects. This information is presented to help agencies, applicants, and the public fully understand and participate in procedural ...

Washington is the second-largest wine-producing state in the nation. If not properly managed, process wastewater from wineries can potentially harm groundwater resources and damage wastewater ...

Under Cap-and-Invest, our state’s largest emitters must compete to buy “allowances” for every metric ton of greenhouse gases they emit. To reduce emissions, Ecology sells fewer allowances each year.

A voluntary agreement, called a memorandum of understanding (MOU), helps prevent wastewater discharges from large cruise ships into state waters. We first signed the MOU with the Cruise Lines ...

Washington's Environmental Justice Law, the HEAL Act, empowers us to conduct an Environmental Justice Assessment when we're planning a significant action. An Environmental Justice Assessment provides ...

For a limited time, we’re offering a program to help you obtain senior mitigation water to offset your use and reduce the ...