Under-Sink Reverse Osmosis in Doral

Who chooses RO in Doral

• Condo and apartment owners who cannot add a whole-home system because the building controls the main line.
• Homeowners who already filter the whole house and want an extra step for drinking water.
• Offices and gyms in Doral's business district that want a drinking water option for staff and members. Living Water's RO systems are made for home, office, apartment and gym use.
• Families tired of buying bottled water; compare with the bottled water vs. RO calculator.

How it treats Doral's water

Doral's water from Miami-Dade WASD contains chloramine, and occasionally free chlorine during maintenance periods. In a multi-stage RO system, pre-filters condition the water, the membrane separates dissolved material, and a final stage polishes it. Living Water's systems are alkaline RO, adding minerals back after the membrane. See compact alkaline RO and alkaline vs. standard RO.

For any specific contaminant, confirm the exact model is certified for it under the relevant NSF/ANSI standard.

Installation in a Doral condo or office

Jorge checks these during the free visit:

• Cabinet space, especially if a garbage disposal is already there.
• Access to the cold water line and a working shutoff valve.
• A drain connection for the concentrate water.
• Where the faucet will go, including whether a quartz or granite countertop needs a new opening.
• Your building's or association's rules on work inside units.

Tank or tankless, and water use

Tank systems store filtered water so it is ready at the faucet; tankless systems save cabinet space. All RO systems send some water to the drain while they work. During dry spells, like the February 2026 water shortage warning for Miami-Dade County that the City of Doral shared with residents, that may matter to you. Ask about efficiency. See tankless vs. tank RO.

Keeping it running

RO systems need periodic filter changes and, less often, a new membrane, depending on the model and how much water you use. Get the schedule in writing with your quote. In an office or gym where many people use one faucet, filters are usually changed more often than in a home, so size the system to the real number of users. Our guides on RO operating costs and filter replacement list what to ask.

Updated 2026-10-17 · Living Waters · Jorge Canela, Water Quality Specialist