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Water Treatment in Seminole County, FL
Your Seminole County water is safe to drink, but safe does not mean it tastes good or feels good. Depending on where you live, it can come with a sulfur smell, a strong chlorine taste, and hard water that leaves white buildup on everything. We test your water at your home, show you the real numbers, and install the right system so your family gets cleaner, softer water from every tap.
What is in Seminole County tap water?
Tap water in Seminole County comes from the Floridan Aquifer through deep wells. It meets EPA safety standards, but what reaches your tap depends on where you live. Seminole County Utilities runs 11 service zones, and cities like Sanford, Casselberry, and Oviedo mostly run their own water systems. Most homes deal with a chlorine taste, a possible sulfur smell, and hard water. A whole-house system plus reverse osmosis fixes all three.
The real numbers
What is actually in Seminole County tap water?
Here are the real facts about your water. No scare tactics. These come from public records, and you can check them yourself.
Sources: Provider structure, source, chlorine, sulfur treatment, fluoride, and PFAS from the Seminole County 2024 Annual Drinking Water Quality Report and the county fluoride page (seminolecountyfl.gov). Fluoride vote dates from ClickOrlando and WFTV. State fluoride ban from SB 700 (signed May 15, 2025, effective July 1, 2025). Hardness context from USGS. Seminole County does not publish a hardness figure, so no county number is claimed here.
Sound familiar?
What Seminole County water does in your home
If you live here, you already know. These are the exact things your neighbors say online.
“Smells like pool water.”
r/orlando, Sept 2025
“We have the worst water.”
r/orlando, Sept 2025
“I live in Seminole and haven't heard about this until now.”
r/orlando, on a county boil water notice, June 2025
“I always recommend a water softening system in FL because we have extremely hard water.”
r/orlando
“Rotten egg smell. I can smell it brushing my teeth and in the shower.”
r/orlando
None of this means your water is dangerous. It means it is hard, chlorinated, and changes from one city to the next. The good news: all of it is fixable.
City water is only as good as its last storm. In June 2025, a lightning strike knocked out the ozone system at the Winter Park water plant, so the city added more chlorine to keep the water clean. Neighbors dealt with a sulfur and chlorine smell for weeks. Winter Park is in Orange County, but Florida is the lightning capital of the country, and a whole-house system keeps your water steady no matter what the city is dealing with. Read the full story on our blog.
How we fix Seminole County water
Two systems that work together
Seminole County water has more than one job to do. Soften the whole house, and clean up the water you drink. If your home is on a private well out in Geneva or Chuluota, the fix looks different, and we test for that first.
Whole-house water softener
Removes the hardness that dries your skin, stiffens your hair, and leaves white buildup on your faucets and glasses. Soft water in every shower and every faucet.
See water softenersReverse osmosis for drinking
Installs under your kitchen sink. Takes out the chlorine taste and the PFAS that testing found in the county water, so you get clean water straight from the tap and stop buying bottles.
See reverse osmosisHow it works
Free test, written quote, one-day install
Free water test
We come to your home, test your water, and show you exactly what is in it. You see the real numbers for your house, not a scary sales demo.
Clear written quote
We recommend only the system your water needs. You get the price in writing before anything happens.
One-day install
Most installs take a day. Most families notice the difference the same afternoon.
Proof, not pressure
No scary water tests. Real numbers instead.
You have probably had someone knock on your door, run a two-minute test, and tell you your water is dangerous. Then comes the today-only price and the huge package. That is not how Seagull works. Here is what you get instead.
We show you the real county and city numbers, and how your home test compares.
You get the price in writing, not a countdown clock.
We tell you what your water actually needs, even if that means a smaller system than you expected.
Every system is backed by a written warranty: 25 years on tanks, 10 years on electronics.
4.9 stars across 115 Google reviews
BBB A+ · 9 years in Florida · 600+ installations · 25/10 year warranty
Why families pick Seagull
Local, honest, and right here in Seminole County
We are based in Seminole County
Our office is at 360 Wilshire Blvd #124 in Casselberry. We are not a national chain routing you to a call center. We are your neighbors, and we drink the same water you do.
Real people who explain, not pressure
Cesar Beracierto started Seagull in 2017. Raquel handles your first call through your follow-up. You talk to the same people the whole way, and they explain everything in plain words.
We test first, recommend second
You see what is in your water before we suggest anything. You decide from there, on your own time.
Proven across Central Florida
9 years in Florida. BBB A+. 4.9 stars across 115 Google reviews, with real names. 600+ installations and counting.
Seminole County water, explained
Seminole County water questions, answered
Who provides the water in Seminole County?
It depends on where you live. Seminole County Utilities runs 11 service zones, but many cities, including Sanford, Casselberry, Longwood, Winter Springs, Oviedo, Altamonte Springs, and Lake Mary, mostly run their own city water. There is no single provider for the whole county, so your exact water depends on your address. We test your home directly, so you do not have to guess.
Why does my Seminole County water smell like rotten eggs?
That smell is hydrogen sulfide, a natural gas in well water. The county aerates the water to remove most of it, but some homes still notice it, mostly on the hot water. We test for it and size a system that handles it.
Did Seminole County really remove fluoride from the water?
Yes. Longwood voted to stop adding fluoride on February 17, 2025, and Seminole County voted 4 to 1 on April 8, 2025. A Florida state law then banned it across the state starting July 1, 2025. Only natural fluoride is left, about 0.15 to 0.30 ppm.
Are there PFAS or "forever chemicals" in Seminole County water?
County testing in 2024 found PFAS present but below the legal limit, with PFOA around 1.83 ppt and PFOS around 1.7 ppt, under the EPA limit of 4.0 ppt each. Below the limit is not zero. A reverse osmosis system removes them from your drinking water.
Is Seminole County tap water safe to drink?
Yes. It meets EPA safety standards. Hard, chlorinated, and a little smelly is a comfort, taste, and skin issue, not a safety scare. We fix the comfort part so your water actually feels and tastes clean.
How much does a water treatment system cost in Seminole County?
Every home's water is different, so the right system depends on what your test shows. We test your water for free, then put an honest, itemized quote in writing. You only get what your water actually needs, not the most expensive package.
Ready to fix your Seminole County water?
Start with the water quiz. Tell us what you notice at home, and we set up a free in-home test. We show you what is in your water, give you a written quote, and you decide. No pressure, no call center, just a straight answer from your neighbors in Casselberry.
360 Wilshire Blvd #124, Casselberry, FL 32707On a private well in Geneva or Chuluota? See our well water treatment.