Commercial Sustainability Network of the Central Coast Elkhorn Slough Research Reserve Visitors’...

Commercial Sustainability Network of the Central Coast

Elkhorn Slough Research Reserve Visitors’ Center

April 11, 2005

Sharon Sarris, Principal

Water WisdomThe Possibilities for Urban

California

www.greenfusenergy.com

April 11, 2005 www.greenfuseenergy.com

“Waste Not, Want Not”

• Meet California’s future water needs: Improve efficiency and conservation• One-third of current urban water use

can be saved with existing technology• 85% of that saved can be

accomplished below cost of new sources of supply.

Source: Information presented based on Pacific Institute’s, “Waste Not, Want Not: The Potential for Urban Water Conservation in Calif.” http://www.pacinst.org/reports/urban_usage/


Urban Water Use – Potential to Reduce

Urban water use by Sector

Current Water Use

Best Estimate:Conservation(acre ft./yr.)

Potential to Reduce

Min. Cost-effective Conservation(acre ft./yr.)

Residential Indoor

2.3 million 893,000 39% 893,000

Residential Outdoor

983,000 – 1.9 million(1.45 million)

360,000 –580,000

25-40% 470,000

Commercial / Institutional

1.850 million 714,000 39% Combined:658,000

Industrial 665,000 260,000 39% C/I & Industrial660,000

Unaccounted For_

TOTAL

695,000______6.96M (+/-10%)

_____________2.337 Million

Used 10%_____ 34%

_____________2.02 Million


Best Ways to Solve “Water Issue”

• Improve conservation, water efficiency

• Use proper pricing and economics• Educate the public


Residential Water Use

•Largest Urban Water Use Sector

•Indoor use: replace inefficient fixtures and fix leaks

•Outdoor: manage turf, improve hardware, design landscape to reduce need.

Dual Flush Toilets

Rain Water Catchment


Commercial, Institutional, Industrial Water Use

•One-third of all use •Data for 70% of use--Offices, schools, golf courses: highest commercial users--Refining, high tech., food processing: highest industrial


Conservation: Use Existing Technologies

•Toilets: low-flow, dual flush

•Water-free urinals•Low-flow faucets, showerheads

•Efficient clothes & dish washers

•Drip/precision irrigation sprinklers

•Commercial/industrial recycling systemsEtc.


Smart Water Policies•Proper pricing to

encourage waste reduction

•Financial incentives for low flow appliances

•Proper design of subsidies & rebates

•New appliance efficiency standards

•Water metering


Education/outreach•Educate consumers about technologies, appliances

•Share success stories

•Agencies and industry associations work together: collect water use and conservation data; reconcile

Anaheim Convention Center: water broom


Integrated Water Management•Non-water policies have implications for water savings

Use of digital x-ray film processing

•Reclaimed, recycled water as secure source of supply

•Natural systems to turn waste water to useable water

Triangle School Waste Water and Recycling System


Waste Water to Reclaimed Water System


Sharon Sarris, Principal831-688-7900

www.greenfuseenergy.com


Back to Moderator:

Emerging Water Technologies, Opportunities and Solutions

By Daniel Robin followed by group discussion

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