Water filtration in Nashville, Tennessee.

Nashville's drinking water comes from the Cumberland River and is treated at two plants, Omohundro and K.R. Harrington. Metro Water Services describes the delivered water as moderately hard, with total hardness averaging 100.5 mg/L, and states that its treatment process does not remove hardness. That is the detail most homeowners miss: the hardness in a Nashville tap is the hardness the utility intends to deliver, so softening is a job for equipment inside the house.

What Nashville homes are dealing with

Because the hardness arrives by design rather than by accident, the symptoms are consistent across the city: scale on fixtures and glass, spotting on dishes, and a water heater carrying more scale load than it should. Nashville also disinfects with free chlorine rather than chloramine, averaging 1.60 ppm, which is what people are usually describing when they say the water has a smell.

So a Nashville system has two jobs that sit in a particular order: carbon to handle the chlorine at the inlet, then softening for the hardness the plant leaves in. We read your utility report, confirm which of those your home actually needs, and put one all-in installed price in writing.

What we install in Nashville

• Whole-home softener and carbon filtration off your main line, sized to the household.
• Under-sink reverse osmosis at the kitchen tap, for the water you drink and cook with.

How the install works

We install in Nashville and walk you through what went in before we leave.