Creating A Great Alternative To Desal Bill Smallman, P.E. - - PowerPoint PPT Presentation

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Creating A Great Alternative To Desal Bill Smallman, P.E. - - PowerPoint PPT Presentation

Feb 23, 2023 197 likes •520 views

ATTACHMENT - ITEM 4.3 Creating A Great Alternative To Desal Bill Smallman, P.E. www.civinomics.com www.billsmallman.com ATTACHMENT - ITEM 4.3 Alternate Water Sources: Infrastructure Improvement Projects: Recycle Water- Recycle Water

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Creating A Great Alternative To Desal

Bill Smallman, P.E.

www.civinomics.com www.billsmallman.com

ATTACHMENT - ITEM 4.3

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Alternate Water Sources:

Infrastructure Improvement Projects:

  • Recycle Water- Recycle Water Treatment Plants

and Distribution Systems.

  • Storm surface water collection, treatment and

distribution.

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Conservation

  • Rainwater Catchment.
  • Grey Water Recycle.
  • Black Water Recycle.
  • Septic Tank Effluent Pump, S.T.E.P.,

systems.

  • Drought resistant or native landscaping.
  • Water saving appliances.

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Governing Criteria:

Alternate plans which provide the most benefit to:

  • Environment.
  • Economy
  • Recreational Opportunities.

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Indirect Potable Reuse:

  • Build an Advanced Recycle Water

Treatment Plant.

  • Inject water into groundwater basin for

quaternary treatment.

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Existing Facilities used as Models:

  • Santa Clara Valley Water District/City of San Jose

Advanced Recycle Plant. Cost 57 Million. Capacity 10 MGD.

  • Orange County’s Indirect Potable Reuse System.

Upgrading to 100 MGD. In my opinion, likely to prove to be one of the best systems in the world.

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The “Storm Aquarries”

  • Divert heavy storm flow from San

Lorenzo River.

  • Pump up to abandoned sand

quarries for treatment, storage and distribution.

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Time to Clean Up Our Act

  • Turbidity can be reduced by erosion

control.

  • Pollution can be reduced by improved

septic recycle water use and increased awareness of household product use.

  • Both our better for the environment and

provide water less expensive to treat.

ATTACHMENT - ITEM 4.3

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Fish Habitat

  • Streamside property owner awareness

to protect creation of deep, shady, pools along river.

  • High groundwater is a critical factor- as

river dries up too quickly.

  • End silt and septic pollution and recycle

water- both help water supply and fish habitat.

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Conclusion

  • Recycling water not only provides water

source, but helps environment by eliminating pollution.

  • Infrastructure improvements combined

with developing recreational areas lowers cost.

  • Increased flexibility of water distribution

and amount of water storage allows greater security.

ATTACHMENT - ITEM 4.3