Washington
How County of Maui v. Hawaii Wildlife Fund applies in Washington: state-specific rules, key cases, and bar exam notes for Environmental Law (Clean Water Act).
Washington follows a similar interpretive framework in evaluating discharges under the Clean Water Act (CWA), emphasizing both point source and non-point source pollution. While the state mirrors the federal standard, it also incorporates its own substantive regulations through the Washington State Department of Ecology.
In Washington, any discharge that reaches waters of the state, even indirectly, may require an NPDES permit based on the principles established in County of Maui, including situations involving pollution through hydrological connections.
The court ruled that the state has broad authority to regulate indirect discharges into navigable waters, reinforcing enforcement of the Clean Water Act.
The Washington Supreme Court held that stormwater runoff from construction sites qualifies as a discharge under state law, aligning with federal interpretations on pollution sources.
The court found that a county must evaluate all potential sources of discharge, highlighting the need for comprehensive assessments akin to the approach taken in County of Maui.
Washington's approach to the Clean Water Act is closely aligned with federal standards, particularly after the County of Maui decision, which emphasizes the need for permits for hydrologically connected discharges. However, Washington often applies heightened scrutiny regarding local water sources and public health considerations, potentially leading to stricter enforcement than federal regulations.
Understanding Washington's application of the Clean Water Act is crucial for the state bar exam, particularly regarding regulatory frameworks that govern water quality management.