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All Categories
Advanced Meter Infrastructure (AMI) Project FAQs
Alameda Creek Water Supply & Fish Passage
Bill Payment - Online Payment System Upgrade
Bill Payment - Using the Online Payment System
Bill Payment – AutoPay, Pay-by-Text, Paperless
Chloraminated Water & Your Pet Fish
Chlorine & Chlorination Byproducts FAQs
Customers - Customer Service
Customers - Understanding Backflow
Customers - Water Conservation
Discolored Water FAQs
Domestic Plumbing FAQs
Drought Resource Center - 2023
Facility Tour FAQS
Fluoridation FAQs
Lead Information
Main
Main Replacement and Seismic Upgrade Project (MRSUP)
PFAS FAQs
Public Health Goals FAQs
Water for Emergencies
Water Hardness FAQs
WaterClips
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Customers - Understanding Backflow
Show All Answers
1.
Can water flow backward?
Yes. Water, like electricity, takes the path of least resistance from a higher pressure to a lower pressure. Normally, water flows directly from our mains to your property, but in certain situations, such as a main break, water can flow back into the distribution system.
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