Effective Jan. 1, the Washington Department of Ecology issued a new Industrial Stormwater General Permit regulating thousands of businesses across the state. The permit applies to industrial facilities that discharge stormwater directly to a lake, river, stream or other water body or to a sewer system that drains to a water body.
The Clean Water Act prohibits most discharges of process wastewater or stormwater unless the discharge complies with conditions included in a permit. Ecology updates…