1. Resource Management and Climate Protection Committee Meeting:
BAWSCA Update
October 17, 2018

2. October 14, 2018 Reservoir Storage Levels

3. Hetch Hetchy Precipitation

4. Tuolumne River Water Available to the City

5. SFPUC Water Deliveries

6. L. Ash, 2017

7. BAWSCA August 2018 Total Potable Water Use 17% Less Than August 2013

8. L. Ash, 2017

9. State Released Draft Bay-Delta Plan Update in Sept 2016: Little Change in July 2018 Draft Final Plan
SWRCB proposal requires 40% of unimpaired flow be released every year into Lower Tuolumne River from Feb- June
Includes a framework for voluntary agreements that meet or exceed the proposed objectives to protect fish and wildlife
At the same time, the SWRCB is working on a similar proposal for the Sacramento River

10. BAWSCA’s Response to State Proposal
BAWSCA supports the objective of the Bay Delta Plan to establish water quality regulations to protect human, fish and wildlife uses of the Bay Delta
BAWSCA coordinated a review of State’s proposal with SFPUC and BAWSCA agencies
Identified impacts to Regional Water System
Identified impacts to local systems
BAWSCA is supporting the Governor’s call for voluntary settlement agreements and is committed to working with stakeholders and others to develop that shared solution

11. Potential Impacts of 2016 Proposal on San Francisco Regional Water System
BAWSCA and its agencies submitted comments in March identifying potential significant impacts of proposed action
20-30% rationing even at recent “drought” water demand
At 175 MGD (FY 2016 deliveries under State-mandated rationing), further rationing of 20-32% would be necessary
40-50% rationing at normal or contract level water demands
Rationing in multiple dry years would be as high as 50% at demands from 223 MGD to 265 MGD
The number of dry year shortages would double or triple
Existing system projected to have shortages 1 in 10 years
Occurrences of dry year shortages would double in the175 and 223 MGD scenarios and triple in the 265 MGD scenario

12. What Would BAWSCA Agencies Do in Response to Severe Shortages?
Water shortages >50% for multiple consecutive years
Development moratorium
Rationing with water budgets
Limiting water use to only that necessary for public health and safety
Increase reliance on local groundwater and other supplies
Fines and penalties

13. Tuolumne River Management Plan is a Better Path Forward
SFPUC submitted an alternative plan with their March comments on the SED (SFPUC Alternative)
Developed together with Modesto and Turlock Irrigation Districts
Proposal has been further refined to create the Tuolumne River Management Plan
Why BAWSCA supports the Tuolumne River Management Plan
Provides benefits for Tuolumne River needed to restore and sustain the long-term health of the Bay Delta without the mandated unimpaired flow releases contemplated in the Draft Final Bay-Delta Plan
Smart, functional flows with serious commitment to non-flow measures
Balances the needs of the environment with the water supply needs of the BAWSCA region
This alternative is designed to:
1. Promote the expansion and maintenance of fall-run Chinook salmon and O. mykiss populations in the lower Tuolumne River;
2. Maintain water supply reliability for users of the Tuolumne River.

14. Bay Delta Plan Schedules and Next Steps
State Water Resources Control Board (SWRCB) released Final Draft SED & response to comments on July 6
Comments on Final Draft SED were due July 27
BAWSCA submitted comments
270 comments received
SWRCB held hearing on Final SED on August 21 and 22
Significant comments provided by all stakeholders
SWRCB action deferred until November 7
Settlement discussions ongoing
SFPUC Commission held public hearing on August 28
Members of the public and BAWSCA board members spoke at SFPUC
Nineteen BAWSCA representatives attended
Written comments (on changes as provided in Appendix K of Final Draft) were accepted thru 12 noon, July 27

15. BAWSCA Actions BAWSCA is currently
Engaging with stakeholders and others
Engaging with resource agencies
Regularly updating BAWSCA Board and Member Agencies
Coordinating with SFPUC
BAWSCA and its Member Agencies continue to
Support Bay Delta Plan objectives
Be committed to working with other stakeholders to protect water quality in the Bay-Delta for humans, fish and other wildlife
Support voluntary settlement agreements to resolve this critical issue