CalDesal Annual Conference October 1, 2015

Curtis Paxton (GM/CEO)

Chino Basin Desalter Authority (CDA)

Joint Powers Authority created in 2001

8 member agencies

City of Chino

City of Chino Hills

City of Norco

City of Ontario

Jurupa Community Services District

Santa Ana River Water Company

Western Municipal Water District

Inland Empire Utilities Agency

Chino Basin Desalter Authority (CDA)

Existing Operation Groundwater Production: 29,000 Acre Feet/Year

22 Wells Treated Water: 24,600 Acre Feet/Year Two Desalters (22 million gallons/day (mgd) capacity):

Chino I – Constructed by SAWPA (2000): Reverse Osmosis/Ion Exchange/Air Stripping

Chino II (2006): Reverse Osmosis/Ion Exchange

Cost of water ≈ $910/AF Includes debt service of $300/AF Excludes groundwater replenishment cost of $515/AF

Chino Basin Desalter Authority (CDA)

Chino Basin Desalter Authority (CDA)

Water Quality

Chino I Chino II

Raw Water Nitrate (mg/l) 225 80

Product Water Nitrate (mg/l) 15 20

Raw Water TDS (mg/l) 1000 600

Product Water TDS (mg/l) 325 345

Chino Basin Desalter Authority (CDA)

Chino Basin Desalter Authority (CDA)

Chino Basin Desalter Authority (CDA)

Existing Operation

Brine Disposal: SAWPA Inland Empire Brine Line (IEBL)

Exports ~ 23,000 tons of salt annually from Chino Basin

Chino I: One connection to Brine Line

2 million gallons per day (mgd)

Total Dissolved Solids (TDS): 6,000 mg/l

Chino II: Two connections to Brine Line

1.2 million gallons per day (mgd)

TDS (RO Brine): 3,000 mg/l

TDS (IX Brine): 14,000 mg/l

Chino Basin Desalter Authority (CDA)

Existing Operation

Brine Line charges are second largest component of O&M budget (behind electricity)

Feasible Brine Line Alternatives: None

Unable to send brine to upstream wastewater plants

Trucking Option: Chino I would require 400 trucks per day

Trucking Option: Chino II would require 240 trucks per day

The Brine Line is a critical element for the operation of the Desalters.

Chino Basin Desalter Authority (CDA)

Phase 3 Expansion Project

Investment of $140 Million

Sponsor Agencies: Ontario, Jurupa CSD, Western MWD

Increase Groundwater Production to 40,000 AF/Year

Increase Treated Water to 35,200 AF/Year

Eight new wells

Expected Completion in Spring 2016

Innovative Brine Treatment – Concentrate Reduction Facility

Chino Basin Desalter Authority (CDA)

In Closing . . . a couple of my favorite quotes:

“If you find yourself in a hole, stop digging”

~ Will Rogers

. . . . . and

Chino Basin Desalter Authority (CDA)

“Never miss a good chance to shut up”

~ Will Rogers

Chino Basin Desalter Authority (CDA)

QUESTIONS ?