TagPollution Control Hearings Board(1531)

The 'Flight Pattern Kids' group, a non-profit based near Seattle-Tacoma International Airport, claims that residents living within a 3-mile radius of the airport experience significantly elevated rates of cancer, birth defects, and auto-immune diseases compared to the general population. Their self-reported study of 330+ families suggests these health issues stem from toxic environmental exposure linked to airport operations, which they argue causes gene mutations passed across generations. The group is calling for further environmental testing of air, water, and soil in the surrounding area.

In 2003, Washington State's Department of Ecology issued a water pollution permit (NPDES No. 002465-1) for Sea-Tac International Airport, which was then challenged by multiple parties including the Port of Seattle and several community groups. The appeals, heard in July 2004, centered largely on concerns about aircraft deicing and anti-icing chemicals being discharged into Puget Sound and nearby waterways, where they can deplete dissolved oxygen levels critical to aquatic life. The Pollution Control Hearings Board reviewed the permit's terms and conditions to determine whether adequate environmental protections were in place.

The Pollution Control Hearings Board ruled largely in favor of community groups ACC and CASE in their challenge to Sea-Tac Airport's water pollution permit, ordering stricter wastewater treatment standards and rejecting most of the Port's appeals. Key victories included requiring the airport to meet long-overdue water quality standards for its industrial wastewater discharged into Puget Sound, mandating improved toxicity testing during de-icing season, and directing a professional wetlands analysis of Lake Reba. Of the seven final directives issued by the Board, six favored the community appellants and only one favored the Port.

This document explains the Washington State Department of Ecology's review process for Sea-Tac Airport's applications to fill wetlands as part of its third runway project. Sea-Tac submitted three separate applications between 1996 and 2000, with the third ultimately receiving a Section 401 water-quality certificate that was later put on hold after the Airport Communities Coalition appealed. The Pollution Control Hearings Board identified three key concerns driving the stay: contaminated fill material, insufficient water rights for dry-season stream flow, and inadequate wetlands mitigation plans.

This legal brief was filed by Citizens Against Sea-Tac Expansion before the Washington Supreme Court, challenging a decision by the Pollution Control Hearings Board regarding the expansion of Seattle-Tacoma International Airport. The group argues that state regulators improperly allowed the Port of Seattle to rely on future, unwritten stormwater permits as proof that airport runoff would meet water quality standards, and that regulators wrongly pre-authorized pollution mixing zones in nearby waterways without sufficient oversight. The case centers on whether proper environmental protections were in place before approving the airport expansion project.

The Airport Communities Coalition (ACC) filed an emergency motion asking the Washington Supreme Court to temporarily halt construction of a proposed third runway at Seattle-Tacoma International Airport. ACC sought to prevent the Port of Seattle from filling wetlands and the Department of Ecology from approving embankment construction while the court's decision on related appeals remained pending. The motion was prompted by reports that the Port planned to begin depositing fill material in April, before the court had issued its ruling.