September 24, 1998August 2, 2026

EXH AR034823: Santa Monica Bay Area Municipal Storm Water/Urban Runoff Pilot Project — Evaluation of Potential Catchbasin Retrofits

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Report prepared by Woodward-Clyde in association with UCLA and Psomas & Associates for the Santa Monica Cities Consortium, City of Santa Monica Engineering Department, Project No. 9653001F-6000, dated September 24, 1998. Evaluates potential catchbasin retrofits for the Santa Monica Bay Area Municipal Storm Water/Urban Runoff Pilot Project. Describes stormwater sampling at inlets to four catchbasins in City of Santa Monica from September to December 1997, including Sites 1 and 2 on Ashland Avenue and Main Street draining commercial, parking lot, alley, and high-traffic roadway areas. Analyzes target contaminants, water quality parameters, urban runoff characterization, sedimentation, debris collection, and drainage areas (~155,000 sq. ft. and ~75,000 sq. ft.).

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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