Bob HoldenMRWPCA

Monterey County’s Water Recycling

Projects

Project designed to slow seawater intrusion 30-40%

Growers

Water Resources

Public & Environmental Groups

Recycled Water Operator

Regulators

Uses of Recycled Water • Agricultural

Irrigation

• Landscape Irrigation

• Toilets & Urinals

• Construction &

Concrete

• Street Sweeping

• Power Plants & Boilers

• Impoundments

• Cooling Towers

• Manufacturing

• Environmental Uses

• Groundwater Recharge

• Seawater Intrusion

Barrier

• Indirect Potable

Reuse

• Fire Fighting

CA Recycled Water History

Indirect Potable Reuse—1962Recreational Lakes—1965Irrigating Lettuce & Strawberries—1967

Dual Plumbing Systems—1977

Turnout Without Electrical Power

Major Crops GrownLettuce

CeleryBroccoli

Cauliflower

Strawberries Artichokes

99-00 00-01 01-02 02-03 03-04 04-05 05-06 06-07 07-08 08-09 09-10 10-11 11-12

$108 $124 $131 $133 $137 $138 $140 $144 $149 $153

$168

$157 $157 31.44 66.23 66.23

CSIP Historical Water Cost$/Acre-Foot

(includes property assessments and water use charges for typical 2 AF/Acre application

rate)

CSIP SRDF

Fiscal Year

$/AF

4% average annual increase

Test Site

Soil Salinity Study 2000 to Present

Why Recycled Water• Safe! No Food or Personnel Safety Issues• Meets Leafy Greens & Organic Farming• Diversity—Independent Source• Sustainable—Drought Tolerant Supply• Inexpensive as New Water Source• Plant Nutrients• No Yield Loss

Contact Information

Bob HoldenPrincipal Engineer

Monterey Regional Water Pollution Control Agency5 Harris Court, Building D, Monterey, CA 93940

bobh@mrwpca.com