Implementing Onsite Water Reuse in San Francisco Taylor Chang - - PowerPoint PPT Presentation
Implementing Onsite Water Reuse in San Francisco Taylor Chang - - PowerPoint PPT Presentation
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
San Francisco Public Utilities Commission
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Water: delivering high quality water every day to 2.6 million people Power: generating clean energy for vital City services Wastewater: protecting public health and the environment
Conservation Groundwater Recycled Water Non-potable Water San Francisco’s Local Water Program
Non-potable Water Program
2012
Single Building
2015
Mandatory for projects ≥ 250,000 sf
2013
District-scale
2016
Implementation Requirements for District-scale Systems
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Roles and Responsibilities
SFPUC SFDPH SFDBI SFPW Program Administration and Cross-Connection Control Public Health Construction Right of Way and Mapping
Review onsite non- potable water supplies & demands Administer citywide project tracking & annual potable offset achieved Provide technical support & outreach to developers Manages Cross- Connection Control Program Issue water quality & monitoring requirements Review and approve non-potable engineering report Issue permit to operate
- nsite systems
Review water quality reporting Conduct Plumbing Plan check and issue Plumbing Permit Inspect and approve system installations Issue Encroachment Permits as needed for infrastructure in the Right-of-Way (if needed) Includes condition on a subdivision map or a parcel map requiring compliance with the Non-potable Ordinance prior to approval and issuance of said map (if applicable)
8-step Permitting Process
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San Francisco Bay Regional Water Quality Control Board Order
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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.
10 Steps for Developing a Local Program
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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
- rdinance
- Intended to create nationally
consistent treatment standards and management approaches from state-to- state
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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.
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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
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