Implementing Onsite Water Reuse in San Francisco Taylor Chang Navigating Bay Area Water Conference May 31, 2018
San Francisco Public Utilities Commission Water: delivering high Wastewater: protecting Power: generating clean quality water every day public health and the energy for vital City to 2.6 million people environment services 2
San Francisco’s Local Water Program Conservation Groundwater Recycled Water Non-potable Water
Non-potable Water Program 2012 Single Building 2013 District-scale 2015 Mandatory for projects ≥ 250,000 sf 2016 Implementation Requirements for District-scale Systems 4
Roles and Responsibilities SFPUC SFDPH SFDBI SFPW Program Administration and Right of Way and Public Health Construction Cross-Connection Mapping Control Review onsite non- Issue water quality & Conduct Plumbing Plan Issue Encroachment potable water supplies monitoring check and issue Permits as needed for & demands requirements Plumbing Permit infrastructure in the Right-of-Way (if Administer citywide Review and approve Inspect and approve needed) project tracking & non-potable system installations annual potable offset engineering report Includes condition on a achieved subdivision map or a Issue permit to operate parcel map requiring Provide technical onsite systems compliance with the support & outreach to Non-potable Ordinance developers Review water quality prior to approval and reporting issuance of said map (if Manages Cross- applicable) Connection Control Program
8-step Permitting Process 6
San Francisco Bay Regional Water Quality Control Board Order September 2017 – SF receives order from the San Francisco Bay Regional Water Quality Control Board approving SF Non-potable Water Program and transferring the authority over blackwater systems for irrigation to local SF Department of Public Health. 7
10 Steps for Developing a Local Program 9
Guidebook for Developing and Implementing Policies for ONWS • Guidebook includes: • Model State Regulation • Model Local Ordinance • Program Rules to be implemented with the state regulation or local ordinance • Intended to create nationally consistent treatment standards and management approaches from state-to- state 10
3 Pathways to Implementation • States Develop Regulation, Local Authority Implements: States establish regulation for the treatment, monitoring and reporting requirements for ONWS. Local authorities establish oversight and management programs by adopting a local ordinance and accompanying rules. • States Develop Regulation and Implements: States establish regulation for the treatment, monitoring and reporting requirements for ONWS as well as provide oversight and management of ONWS. • Local Authority Develops Regulation and Implements: Local authorities establish a local ordinance to regulate the treatment, monitoring and reporting requirements for ONWS as well as provide all regulatory oversight. 11
Training Manual for Engineers, Operators, Utilities, Regulators • National Blue Ribbon Commission is developing a guidance manual and training materials to identify the skills and knowledge required to design and permit treatment systems that meet the risk-based water quality standards • To be complete late 2018/early 2019 12
Panel anel One: One: Groundbreaking Blackwater and Greywater Systems in the Bay Area
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