OneWaterSF 2018 Initiatives | Page 28

Strengthening OneWaterSF 2018 Initiatives: Matching the Right Resource to the Right Use Gleneagles Non-Potable Feasibility Study Of the nine golf courses located in the City of San Francisco, Gleneagles is the last remaining golf course using potable water for irrigation. Work under this Initiative will assess the feasibility of utilizing adjacent non- potable sources for irrigation of the golf course in and around McLaren Park. Ultimately, the study will be used to determine if the golf course can use 100% non-potable water for non-potable uses. In 2018, the SFPUC will complete a small-scale watershed assessment of the golf course site and its surrounding drainage area to document the potential non-potable supply and demand for the golf course. This Initiative is the first step in the planning process; based on the outcomes of the analysis, future work may include design and construction of a non-potable system to serve Gleneagles Golf Course. Southeast Plant Biosolids Demonstration Garden 26 Building upon our work performed under the 2017 biosolids initiative, this 2018 OneWaterSF Initiative will plan and construct a biosolids demonstration garden at the Southeast Treatment Plant (SEP). Biosolids are the nutrient-rich organic material that results from the biological and physical treatment of wastewater. This material provides multiple benefits to soil health, including increased water holding capacity and the return of vital nutrients back to soils. Biosolids also reduce the concentration of CO 2 in the atmosphere by increasing the amount of carbon able to be stored in soil. Once constructed, the Southeast Treatment Plant Biosolids Demonstration Garden will be accessible to SFPUC staff as well as community members to show the tangible benefits of using biosolids as a soil amendment. This OneWaterSF Initiative will serve as a visual representation of the benefits of resource recovery and our ability to help combat climate change.