1. WATER USE ALTERNATIVES: RAIN BARRELS & LAUNDRY TO LANDSCAPE STEVEN PANELLI, DBI CHIEF PLUMBING INSPECTOR JOHN SCARPULLA, SFPUC PROJECT MANAGER MAY 21, 2015, SFPUC – 525 GOLDEN GATE AVENUE, 2 ND FLOOR

2. Agenda 2 Role of Agencies Residential Rainwater Harvesting Residential Laundry to Landscape (graywater) Q and A

3. Role of Agencies 3 Department of Building Inspection –Code compliance –Regulatory enforcement SF Public Utilities Commission –Program incentives

4. 4 Decrease the volume of potable water used for non-potable applications Broaden San Francisco’s water portfolio Decrease the burden on San Francisco’s combined sewer system Help reduce flooding and combined sewer discharges Reduce energy used for pumping and treating stormwater

5. Rainwater Regulatory Information 5 “Roofs, inner courts, vent shafts, light wells or similar areas having rainwater drains, shall discharge directly into a building drain or building sewer, or to an approved alternate location.” – SF Plumbing Code Section 306.2.

6. Rain Barrel Requirements 6 Permit required Level ground Chapter 17 of California Plumbing Code – Rainwater Harvesting Systems

7. Installation & Maintenance 7 Strapping barrels Overflow locations Soils/saturated areas Space/area collation Maintenance of system Awareness of weather impacts

8. DBI Permitting Process 8 Homeowner vs Licensed Contractor Over-the-Counter (1660 Mission St, 5 th Fl)

9. Rain Barrel Subsidy Program 9 SFPUC will subsidize up to 2 rain barrels or 1 cistern to SF residents Permit requirements Next program expected to start in Fall ‘15

10. Graywater Systems 10

11. 11 Target simple low tech systems Graywater Design Manual Laundry to Landscape Program Rebates for permitted systems Outreach and Education

12. Graywater System Requirements 12 Permit Requirements Chapter 16 of CA Plumbing Code Specific Construction Requirements Laundry to Landscape requirements

13. 13 Laundry-to-Landscape (L2L) Program

14. 14 Purpose Assess feasibility, collect data 1 and 2-unit homes Subsidy toward L2L kits Free training, manual, on-site tech support Free tool lending Requirements San Francisco resident Working laundry machine Flat or down sloping yard Install within 60 days Access for inspection Participation in survey

15. L2L Kit Components 15 3-way valve Adaptors Pipe Hose clamp Straps, anchors Autovent Sample detergent

16. Complex Greywater System 16

17. Rebates for Permitted Systems 17 Up to $225 rebate off permit fees for residential graywater systems used for subsurface/rainwater irrigation

18. Additional Water Saving Tips 18 Replace older toilets and clothes washers with new water-efficient models – rebates available. Install water-efficient showerheads and faucet aerators – available for FREE from SFPUC. Fix leaks! If your toilet has a leak you could be wasting up to 200 gallons of water a day! Shorten your shower time. Turn off the tap while brushing your teeth. Run full loads in the dishwasher or clothes washer. Reduce outdoor watering to as little as possible (or to no watering at all!)

19. Wrap Up 19 Designs aren’t typical to all residential properties Some installations are easier than others Scope out area and plan out steps to ensure adequate space and installation requirements

20. Questions? 20

21. Contact Us 21 Permitting/Installation –Steve Panelli, DBI Chief Plumbing Inspector Steven.Panelli@sfgov.org 415-558-6058 Program Incentives/Rebates –SFPUC Water Conservation Team Landscape@sfwater.org