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Cayman Water
  • Home
  • Customers
    • MyAccount – Customer Login
    • MyAccount – Register Your Account
    • How to Apply for Water Service
    • Apply for Water Service Online
    • Request a Change in Service
    • Current Rates
    • How to Pay your Bill
    • Sign up for SMS Alerts
    • Frequently Asked Questions
    • Customer Forms
    • Sample of Customer Contract
  • Community
    • Our Service Area
    • Water Quality Facts
    • News and Events
    • Sustainability
  • Company
    • About Cayman Water
    • Our History
    • Our People
    • Jobs / Careers
    • Memberships
    • Technology
  • Contact CW
    • Online Contact Form
    • Report a Problem
    • Request Developer Information

Water Quality Facts

Home Water Quality Facts

Cayman Water piped water is desalinated seawater produced using reverse osmosis desalination. Raw feed water is extracted from wells drilled deep into the limestone bedrock beneath the Island. This water is pristine seawater with none of the contaminants usually associated with open seawater sources.

Salt in the seawater is separated from the fresh water using a process called reverse osmosis. This process pressurizes the seawater and semi-permeable membrane elements allow freshwater to pass through to one side of the elements leaving brine water and contaminants on the other. The fresh water is then finished in the post treatment process to produce potable water that is healthy and wholesome to drink.

Water Quality Details

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