The following information highlights the most recent actions related to the water quality standards in Washington.
Human Health Criteria
On Nov. 15, 2016, EPA partially approved and partially disapproved certain human health criteria that Ecology submitted to EPA on Aug. 1, 2016.
On May 10, 2019, EPA released a statement that they are reversing their 2016 decision and approving the human health criteria standards Washington submitted in 2016.
On July 23, 2019, EPA announced a proposed rule to withdraw the federal water quality standards for certain human health criteria in Washington. Information on EPA's actions and process is available on their website.
The following are responses to EPA's actions from Ecology and other state agencies.
We use the rulemaking process to meet our priorities and commitments regarding the standards.
Water Quality Standards Unit Supervisor - Rulemaking, triennial review
Water Quality Standards Specialist - Toxics pollutants (aquatic life, human health), variances
Water Quality Standards Specialist - Conventional pollutants (temperature, bacterial indicators)