Sanitation Districts of Los Angeles County

Recycled Water Program

Grace R. Chan September 26, 2013

Long history of water reuseLong history of water reuse

Water reuse beginsWater reuse begins

Wastewater treatment Wastewater treatment facilitiesfacilitiesLancaster Lancaster

PalmdalePalmdale

La CanadaLa Canada

Whittier NarrowsWhittier Narrows

JWPCPJWPCP

Long BeachLong Beach

Los CoyotesLos Coyotes

San Jose CreekSan Jose Creek

Trunk SewersTrunk Sewers

ValenciaValenciaSaugusSaugus

PomonaPomona

L.A. Glendale

D.C. Tillman

Hyperion

Terminal Island

Wastewater System 23 Sanitation Districts 78 cities 820 square miles 5.7 million served 11 treatment plants 500 MGD treated 200 MGD for reuse 1400 mi trunk sewers

Sanitation Districts ofSanitation Districts ofLos Angeles CountyLos Angeles County

Where is the RW Recharged?Where is the RW Recharged?

Number of reuse sites increaseNumber of reuse sites increase

Distribution of usageDistribution of usage

Challenges AheadChallenges Ahead

Distribution infrastructure is costly

Daily and seasonal supply/demand