1. Monterey County’s Water Recycling Projects
Bob Holden
MRWPCA

4. Project designed to slow seawater intrusion 30-40%

6. Uses of Recycled Water Agricultural Irrigation Indirect Potable Reuse
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

7. CA Recycled Water History
Indirect Potable Reuse—1962
Recreational Lakes—1965
Irrigating Lettuce & Strawberries—1967
Dual Plumbing Systems—1977

8. Turnout Without Electrical Power

9. Major Crops Grown Lettuce Artichokes Cauliflower Broccoli Celery
Strawberries
Cauliflower
Broccoli
Celery

11. 4% average annual increase

13. Soil Salinity Study 2000 to Present
Test Site

15. 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

16. Contact Information
Bob Holden Principal Engineer Monterey Regional Water Pollution Control Agency 5 Harris Court, Building D, Monterey, CA