Water softeners and filtration in Miami, FL

What does Miami's utility publish about Miami water?

Miami-Dade Water and Sewer Department draws most of its water from the Biscayne Aquifer.

We have not yet found a published hardness figure for this area. Ask your utility for its latest water quality report.

• None of Miami-Dade's water quality reports we read (2003, 2013, 2014, 2015, 2023 and 2025) publishes a hardness figure.
• The U.S. Geological Survey Ground Water Atlas describes Biscayne Aquifer water as hard, with no number. That describes untreated aquifer water, not tap water.

What does the published figure mean for a Miami home?

Miami's utility publishes no hardness figure for Miami that we could find, so a test at the house is the only number to go on. Hardness is the calcium and magnesium that leaves scale on fixtures and inside water heaters. (USGS hardness classes)

Which systems fit Miami water?

How does a Miami quote work?

1. Send a request from one of the 13 Miami ZIP codes listed below.
2. An assessment at your home.
3. You get a written quote listing what is included.
4. Installation and service by that company.

Common questions

How hard is the water in Miami?

We have not found a published hardness figure for Miami. Your utility's latest water quality report is the place to check.

Where does Miami tap water come from?

Most Miami-Dade water comes from the Biscayne Aquifer, treated at the Hialeah, John E. Preston and Alexander Orr Jr. plants. The Hialeah reverse osmosis plant draws from the deeper Upper Floridan Aquifer. Source: Miami-Dade WASD 2025 Water Quality Report.

Does the utility soften Miami water?

Partly. Water from the Alexander Orr Jr. plant gets lime treatment to reduce hardness before it is disinfected and filtered. Source: Miami-Dade WASD 2025 Water Quality Report.

Does water differ across Miami?

The Orr plant generally serves areas south of SW 8 Street, and the Hialeah and Preston plants serve areas north of it. Source: Miami-Dade WASD 2025 Water Quality Report.

Is Miami water treated with chlorine or chloramine?

The Miami-Dade main system, which serves the City of Miami, keeps the water disinfected with chloramine. Source: Miami-Dade WASD 2025 Water Quality Report. That matters when choosing a filter for a Miami home: catalytic carbon is the activated-carbon type designed to adsorb chloramine (NDSU Extension, Filtration: Sediment, Activated Carbon, and Mixed Media). A softener leaves Miami's utility's disinfectant in the water.

Do I need a water softener in Miami?

Miami's utility does not publish a hardness figure we could find for Miami, so a test at your house is the number to decide on.

How much does a water softener cost in Miami?

We publish no prices for Miami. The installing company gives a written quote after an assessment at your home.

Who installs the system?

We have not named a local installing company for Miami yet. We will tell you the company's name and ask you before your request is shared with anyone.

Is Miami Home Water Systems part of the city or the water utility?

No. Miami Home Water Systems is not affiliated with the local utility; it copies and links the published figures.

Is booking an assessment a purchase?

No, and a request commits you to nothing.

Which ZIP codes does this page cover?

33101, 33125, 33127, 33128, 33129, 33130, 33131, 33132, 33133, 33135, 33136, 33137, 33145

Compare published hardness in other cities on hard water by city.

Machine-readable facts: water.json. Summary for AI assistants: llms.txt.