What Should I Do With My Used Cooking Oil? Compost it. For small amounts of oil, soak it up with paper towels and place in green compost bin. Use it again. Cool down the used oil in your pan, strain out the food scraps for composting, and pour the oil into a clean container to use again Take it to Recology's Household Hazardous Waste Facility. Only used cooking oil from home use is accepted – not from businesses. Proof of San Francisco residency is required. Only 10 gallons per trip allowed. The facility is open Thursday, Friday, and Saturday, 8 am to 4 pm and located at 501 Tunnel Avenue, San

San Francisco is the only coastal city in California with a combined sewer system that treats both wastewater (from our toilets, sinks, and showers) and stormwater (from the rain that falls on our rooftops, driveways, and parking lots) before discharging them into the bay or ocean. Treating stormwater removes any pollutants picked up from our city surfaces, but treating wastewater is far more important. Combined sewer systems are a feature of older cities like San Francisco, whereas newer cities have municipal separate storm sewer systems (MS4) that discharge stormwater directly to receiving

Garden for the Environment (GFE) is a nationally acclaimed half-acre education and demonstration garden that supports small-scale urban ecological food production, organic gardening and composting. The garden features low-water use and climate appropriate plants, efficient irrigation and conservation-friendly design. It demonstrates best practices such as composting, planting the right plants in the right place, attracting beneficial bugs, using less-toxic products and methods, and planting native and climate appropriate plants. It is open to the public and located at 7th Avenue and Lawton

Save Water Outdoors Don't let good water go to waste! Imagine using water from your clothes washer to help grow the plants in your garden. Using graywater can reduce the amount of drinking water used for landscape irrigation and reduce water entering our sewer system. What is graywater? Graywater is water from showers, bathtubs, clothes washing machines, and bathroom sinks. It is water that contains some soap but is clean enough to water plants. For more information about graywater and its approved uses, please read our Graywater FAQ. For laundry-to-landscape (L2L) systems, only graywater from

Leaks are common and can happen to anyone at any time. Many leaks can be easily repaired by customers, but they often go unnoticed. The Environmental Protection Agency estimates that the average household's leaks can waste nearly 10,000 gallons of water every year. They also estimate 10% of homes have leaks that waste 90 gallons or more per day. The SFPUC’s Leak Alert Program helps our customers find and fix leaks faster. While we provide tools and resources as a courtesy to help, it is your responsibility to find and fix leaks on your property. Where to start: Register for My Account to track

The SFPUC offers free, in-person Water-Wise Evaluations at residential, non-residential and landscape properties served by a SFPUC water account. If you are not able to meet in person, we also offer phone consultations. If you haven't applied for conservation assistance online before, you'll need to register first. You will need your SFPUC Water account number, which you can find on your bill.

Trace the extraordinary history of San Francisco's water system. When the city chose a site in the pristine Hetch Hetchy valley, an epic battle was led by John Muir. Today, with the impact of climate change keenly felt, the politics of water remain front page news. Explore the ways an urban water utility, and those who depend on it, are learning to adapt and plan for an uncertain future.

We love to help inspire children to save water and protect our environment. We and our partners offer free school field trips to the following locations: College Hill Learning Garden We designed this educational and demonstration garden to teach local students about environmentally friendly water use, food, energy, and waste systems. Garden for the Environment Since 1990, we have partnered with a Garden for the Environment to support adult and youth education about sustainable gardening at this Inner Sunset teaching garden. Come learn to install water wise irrigation systems and tend your