The drought declared in April 2024, is still in effect while experts keep an eye out for signs of improving conditions.

We review conditions at sites where some contamination remains about every five years, to make sure the cleanup is still effective. The Louisiana Pacific Corp cleanup site was a log yard in the 1960s.

Ecology is considering amendments to the Clean Vehicles Program rule. Visit our rulemaking page for more information. Washington is one of 17 states that adopt more stringent regulations on vehicle ...

Transportation is our state’s biggest source of greenhouse gas emissions and a leading source of air pollution. Transitioning to clean vehicles is an essential part of addressing climate change. It ...

Ecology is considering amendments to the Clean Vehicles Program rule. Visit our rulemaking page for more information. Ecology is legally required to implement California’s low- and zero-emission ...

Washington’s low- and zero-emission vehicle standards don't require dealers or fleet owners to purchase certain types of vehicles from manufacturers. However, they will gradually shift the types of ...

Looking for a service provider? Here is a excel spreadsheet that lists certified UST service providers.This list is updated quarterly. Disclaimer: We do not assume any liability for the accuracy or ...

There are three UST operator classes. Most vendors providing class A and B training cover material that satisfies both class A and B operator training requirements. In these cases, the certificate ...

If you are temporarily or permanently closing your underground storage tanks, the items below may be required. Be sure to also check with your local city and county authorities to determine if there ...

An overlap in Washington’s electrical law and underground storage tank (UST) testing regulations means that all testing currently requires both an UST tester and a journeyman electrician. In 2020, an ...

We have new requirements under the federal Energy Policy Act to develop an underground storage tank (UST) operator training program. We revised the state’s UST rule (Chapter 173-360A WAC) to include ...