Brine Discharge in the Santa Ana River Watershed David Ruhl, - - PowerPoint PPT Presentation

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brine discharge in the santa ana river watershed
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Brine Discharge in the Santa Ana River Watershed David Ruhl, - - PowerPoint PPT Presentation

Feb 11, 2024 352 likes •586 views

Brine Discharge in the Santa Ana River Watershed David Ruhl, Engineering Manager Santa Ana Watershed Project Authority Santa Ana River Watershed - Largest coastal stream system in Southern California - Covers over 2840 square miles in parts

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Brine Discharge in the Santa Ana River Watershed

David Ruhl, Engineering Manager Santa Ana Watershed Project Authority

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Santa Ana River Watershed

  • Largest coastal stream

system in Southern California

  • Covers over 2840

square miles in parts of four counties

  • Home to 60 cities and

97 water related agencies

  • Primarily urban home to
  • ver 5 million people
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SAWPA Primary Activities

 Inland Empire Brine Line

(formerly known as Santa Ana Regional Interceptor)

 “Roundtable” – facilitator of

several multi-agency task force efforts

 Long term regional water

planning - OWOW

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Over 30 years of Salt Management in Santa Ana River Watershed

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Origin of Salt in the SAR Watershed

  • Historical agricultural uses

– irrigation of crops, dairies

  • Dairy Washwater,

Manure

  • Imported water from

Colorado River, State Water Project

  • Salt Imbalance
  • Long term
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SAR – Salt Imbalance

Riverside/Corona

Perris/Hemet Elsinore Bunker Hill Chino Orange County

0.6 Million Tons/Yr

37,000 dump trucks lined up end-to-end from Los Angeles to Las Vegas (every year)

Santa Ana River Watershed and Groundwater Basins

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Brine Wastewater

What is brine wastewater? How is it created? Where can it be safely disposed?

Inland Empire Brine Line Treatment Pacific Ocean

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Inland Empire Brine Line

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Protecting the Watershed

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Industries that can benefit from the Inland Empire Brine Line

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Two ways to Connect

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What is the connection process?

Technical Financial Administrative

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How much does it cost?

Brine Line Connection Includes O & M * Brine Line Truck Dump ** Non – Brine Line Disposal ***

$ 2,000 $ 50,000 $ 250,000

$ 250,000 $ 200,000 $ 150,000 $ 100,000 $ 50,000 $ 0

** Does not include

transport.

*

Does not include substantial treatment and treatment and capacity purchase/lease.

***Based on $.25 per

gallon rate . Does not include transport.

Approximate Disposal Cost for 106 Gallons of Brine

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Brine Line Users

 Desalting  Industrial Cooling

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Brine Line Users

 Collection Stations

  • Hospitals
  • Water softening
  • Semiconductor Mfg

 Food Processing

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Building and Operating the Brine Line

Original Construction Operational Challenges Pretreatment Program Capital Repairs

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Operational Challenges

Riparian

Gnatcatcher Santa Ana Sucker Least Bell’s Vireo

Aliso Creek Prado Dam Scale

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Pretreatment Program

SAWPA is considered a Delegated Authority and along with its Member and Contract Agencies administer the program by performing permitting, inspection, monitoring and enforcement 73 permitted users

– 23 Indirect dischargers – 50 Direct dischargers

7 Agencies involved

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Capital Repairs

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What are customers are saying?

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For more information about the Inland Empire Brine Line contact: Santa Ana Watershed Project Authority 11615 Sterling Avenue Riverside CA 92503 Phone: (951) 354-4220 Fax: (951) 352-3422

Email: IEBrineline@sawpa.org Website: www.sawpa.org

Thank You!

David Ruhl druhl@sawpa.org 951-354-4223