The Source of Your Drinking Water
Our water supply is sourced from aquifers, underground geological formations that store fresh water. These aquifers act as natural filters, purifying the water as it moves through layers of rock and sand. The result is water of consistently high quality, meeting rigorous safety and purity standards set by regulatory agencies. Customers can rest assured that the water provided by the County is thoroughly tested and monitored to ensure its safety and taste. With a commitment to excellence in water management, the Collier County Water Sewer District delivers a reliable and dependable water supply that meets the needs of our community. The District's water system pumps ground water from three wellfields located in Eastern part of the County. The North Hawthorn Wellfield has 22 wells that provide water to the North County Regional Water Treatment Plant. The South Hawthorn Wellfield has 41 wells that provide water to the South County Regional Water Treatment Plant. The Golden Gate Tamiami Wellfield has 39 wells that provide water to the treatment plants.
The Florida Department of Environmental Protection (FDEP) performed a Source Water Assessment on the system in 2024. This assessment was conducted to provide information about any potential sources of contamination in the vicinity of the wells. There are 35 potential sources of contamination identified for this system with low to moderate susceptibility levels. Potential sources of contamination identified included underground petroleum storage tanks and injection wells. The assessment results are available on the DEP Source Water Assessment and Protection Program website at prodapps.dep.state.fl.us/swapp.
The North Plant has 12 million gallons per day (MGD) treatment capacity using nanofiltration treatment process and 8 MGD treatment capacity using reverse osmosis treatment process. The South Plant has 12 MGD treatment capacity using lime softening and 20 MGD treatment capacity using reverse osmosis. The water is treated with chloramines for disinfection purposes and a corrosion inhibitor is added to prevent corrosion of pipes. Water flouridation was discontinued on February 13, 2024 at the direction of the Collier County Board of County Commissioners, the governing body of the Collier County Water Sewer District.
There are two regional water treatment plants, the North County Regional Water Treatment Plant and the South County Regional Water Treatment Plant.
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