Puronics whole-home water softener and brine tank installed in a landscaped bed beside a home by Hydrology Water Solutions

Manatee · Sarasota · Hillsborough · Pinellas · Charlotte

Water treatment & filtration
in Longboat Key.

Longboat Key is served by Manatee County — hard, chloraminated Suncoast water that’s tough on coastal homes. We test it free and fix it with the right softener, drinking-water or whole-home system.

4.7★ from 212 Google reviews  ·  WQA Gold Seal Puronics dealer  ·  Our own techs, no subcontractors

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★★★★★ 4.7 — a few details and we reach out, usually same day.

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Our install · a real job, not stock

Longboat Key water treatment

Water treatment in Longboat Key,
from the team that installs it.

Hydrology Water Solutions tests, installs and services water softeners, whole-home filtration and reverse osmosis in Longboat Key. We install and service water systems on Longboat Key. The same local tech who tests your water does the install. No subcontractors.

Manatee County water
About 6 to 16 grains per gallon hard and disinfected with chloramine. A softener with catalytic carbon ahead of it handles both, and RO at the sink covers drinking water.
Coastal homes
Hard water and salt air are both hard on fixtures, glass and water heaters. A softener and carbon filtration protect what is inside the house.
Condos and villas
Short on space? Compact softeners and tankless RO fit where a full-size system will not.
Free in-home water test. A written quote from our office. The tech who tests your water is the tech who installs it. Condo and villa water treatment
Certified for PFOA/PFOS · NSF/ANSI 53Lead · arsenic · fluoride · TDS · NSF/ANSI 58WQA Gold SealPuronics · Franklin ElectricOur own techsCertified for PFOA/PFOS · NSF/ANSI 53Lead · arsenic · fluoride · TDS · NSF/ANSI 58WQA Gold SealPuronics · Franklin ElectricOur own techs
Longboat Key water · the short answer

Longboat Key buys its water wholesale from Manatee County — on the Manatee end of the key and the Sarasota end alike — and it arrives hard and treated with chloramine every month.

The county’s 2025 report shows hardness up to 16.3 grains per gallon, with chloramine at 3.3 ppm. Hardness leaves the scale; chloramine leaves the smell. A softener takes care of one and catalytic carbon the other, and most homes on the key need the pair.

Hardness
16.3 grains/gal
279 ppm, range 106–279
Disinfection
Chloramine, 3.3 ppm
Limit 4.0 ppm. Year round
Source
Groundwater + surface
A blend. Hardness varies with it
PFAS: not detected. No PFAS turned up in the county’s 2024 testing — the county tested for 29 compounds, and Longboat Key’s water comes from that same system. Anyone pitching you PFAS treatment should be able to show you otherwise.

Condo or house, what reaches your faucet is what counts, so we test at your tap — chlorine, hardness, pH and TDS — and build from those numbers.
Source: Manatee County Utilities 2025 Water Quality Report and Additional Water Quality Information 2025.

What that means for your home

Three findings, three fixes. In a condo, the space you have and the association’s rules also decide what fits — we check both before we quote.

In your water
Hardness — 16.3 grains per gallon

Hard water leaves scale on fixtures and glass, fights your soap, and shortens the life of the water heater.

What we recommend

A whole-home softener →

In your water
Chloramine — 3.3 ppm

Chloramine is what the county disinfects with, and what you smell in a hot shower. Standard carbon loses to it fast; catalytic carbon does not.

What we recommend

Catalytic carbon on the whole-home system →

In your water
PFAS — not detected in 2024 testing

The county found no PFAS in its 2024 testing. If you still want certified reduction — PFAS plus lead, arsenic and fluoride — that is a reverse osmosis unit under the kitchen sink.

What we recommend

Micromax 8500 reverse osmosis →

What you may be seeing

Most Longboat Key calls come down to one of these. You tell us what you are seeing; the test tells us why.

  • Film on glass and chrome — spots on shower doors and dishes, and hair that feels coated after washing.
  • Going through soap fast — it takes more shampoo and detergent to get anything done.
  • Crusty faucets and shower heads — clogged aerators, weaker spray, and a water heater that gives out early.
  • A chemical smell in the shower — that is the chloramine, and it is strongest in hot water.
  • Scale rings in tubs and toilets — hard-water rings that return days after cleaning.
  • Rough towels, faded colors — soap stays in the fabric, so laundry comes out stiff.

Water services in Longboat Key

Pick what your home needs — each one starts with a free in-home water test.

Straight answers

Common questions.

Already have a system acting up? We fix those too — see our water softener and water treatment repair service on Longboat Key.

What people ask before they book.

Who provides Longboat Key’s water?

Longboat Key is served by Manatee County — hard, chloraminated municipal water.

Is Longboat Key water hard?

Yes — Suncoast municipal water runs hard. A softener protects coastal-home plumbing and fixtures.

Do you service Longboat Key?

Yes — we’ve installed systems across Longboat Key and the Suncoast, and we offer a free in-home water test with a same-day reply.

Why is my water softener not working in Longboat Key?

Common causes are a salt bridge in the brine tank, a fouled resin bed, a stuck valve, or settings lost after a power outage — if spots and scale come back, that’s the sign. Our own techs diagnose and repair softeners and filtration systems throughout Longboat Key and the Suncoast. Call or text 941-266-8991.

How long does a water softener installation take in Longboat Key?

A typical install in Longboat Key runs a few hours the same day, and our own tech does it — the person who tests your water is the one who sets up the system, no subcontractor handoff. For any job that needs a permit, we bring in the licensed plumber we work with.

Do you deliver water softener salt in Longboat Key?

Yes — we offer salt delivery in Longboat Key so you don’t have to buy, haul, and lift 40-lb bags yourself. It’s a convenient add-on for busy or larger households. Ask when you book your free in-home water test.

What your neighbors say

4.7★ from 212 Google reviews.

★★★★★

“I cannot say enough amazing things about this company and system! We had three companies come out and Hydrology stood out on every level.”

— Denise W. · Google review
★★★★★

“We’ve had our system now a month and absolutely love it. My wife is a hair beautician with over 30 years of experience and definitely can tell the difference with the water.”

— Charles P. · Google review
★★★★★

“Wow, I can definitely feel a difference in my hair, skin, and when I wash my hands. I knew getting a water softener was a priority and I’m so glad I decided to go with Hydrology.”

— Renee C. · Google review

Every review is on our Google profile — read all of them there. We don’t cherry-pick; we just answer the phone.

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“I cannot say enough amazing things about this company and system! We had three companies come out and Hydrology stood out on every level. This company is very professional, answered every question we had and even gave us time to think without “pressuring” us to buy! Our water is fabulous the taste and feeling it leaves on skin I am wondering how I have went so long without this system! ”

- Denise W.

“Wow I can definitely feel a difference in my hair, skin, and when I wash my hands. I knew getting a water softener was a priority and I’m so glad I decided to go with Hydrology. I’m thoroughly impressed with the company and the product!”

- Renee C.

“We’ve had our system now a month and absolutely love it and we can see and feel the difference immediately. My wife is a hair beautician with over 30 years of experience and definitely can tell the difference with the water which is important for hair and skin. Highly recommend this company and look forward to many years of clean, soft and healthy water!”

- Charles P.
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★★★★★ 4.7 · Manatee · Sarasota · Pinellas · Hillsborough · Charlotte