PWA Joins ESA - ESA acquires Philip Williams & Associates, a 40-person environmental hydrology firm based In San Francisco.
ESA welcomes Bobbette Biddulph - Biddulph named Southern California Regional Director.
SFPUC Water System Improvement Program EIR wins national award - ESA's work receives planning integration honor at 2010 NAEP conference.
A Work of Art - ESA's EIR featured in national exhibition.
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