Common sites for indoor mold growth include bathrooms, basement walls, areas around windows, near leaky plumbing, and around sinks. In addition to moisture, mold needs nutrients, or food, to grow. “Mold doesn’t need a lot of water to grow,” said Harry Pena, President of Zimmetry Environmental. About Zimmetry EnvironmentalSince 2002, Zimmetry Environmental has been providing environmental consulting services to building owners and managers, architects, engineers, EHS professionals, and Fortune 500 companies. The professionals at Zimmetry offer environmental compliance, indoor air quality, asbestos, lead-based paint, Phase I ESAs, and general environmental consulting services.