Implementing Onsite Water Reuse in San Francisco Taylor Chang - - PowerPoint PPT Presentation

implementing onsite water reuse in san francisco
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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


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Taylor Chang Navigating Bay Area Water Conference May 31, 2018

Implementing Onsite Water Reuse in San Francisco

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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

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Conservation Groundwater Recycled Water Non-potable Water San Francisco’s Local Water Program

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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)

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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.

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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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Panel anel One: One: Groundbreaking Blackwater and Greywater Systems in the Bay Area