Bob Holden MRWPCA Monterey County’s Water Recycling Projects.

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

$/A

F

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 Holden

Principal Engineer

Monterey Regional Water Pollution Control Agency

5 Harris Court, Building D, Monterey, CA 93940

[email protected]