During her term, Leal implemented SFGreasecycle — a biodiesel fuel program that collects waste oil and grease to run San Francisco's fleet of vehicles and keep it out of the city's sewer system. She upgraded the Bay Area's seismically unsafe water system and initiated a program to update San Francisco's wastewater system. The Commission installed tanks of bluegills at the Millbrae water treatment plant to measure water safety and detect nonbiological threats in the water supply, as mandated by anti-terrorism federal law. It was also in talks to pay $58 million dollars to build a new power plant in Hunters Point, San Francisco to supplement the Hunters Point Power Plant.