Seminole County · Pop. 6,200

Heathrow, FL water quality

Heathrow draws its water from the Floridan Aquifer via City of Lake Mary / Seminole County Utilities. Hardness runs from moderate to very high citywide, and disinfection byproducts along with hardness scale are the most common resident complaints.

54/ 100 severity
Moderate

Scored from published utility reports — legally compliant water can still score high.

6contaminants tracked1flagged high4neighborhoods mapped
See the full data below

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Your Heathrow score is 54/100 — see what it is at your address.

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Contaminant panel

What's actually in Heathrow water.

Seminole County Environmental Services CCR · reviewed July 29, 2026

Hardness

Soft < 3 gpg

high
12 gpg
Safe78/100Severe

Consistently high citywide — scale on fixtures and appliances is the top complaint.

Source: Seminole County Environmental Services 2024 CCR

Chlorine / Chloramine

EPA MRDL 4 ppm

moderate
3.4 ppm
Safe48/100Severe

Persistent taste and skin-dryness complaints reported by residents.

Source: Seminole County Environmental Services 2024 CCR

Trihalomethanes

EPA MCL 80 ppb

moderate
53 ppb
Safe65/100Severe

Disinfection byproduct — levels spike in warmer summer months.

Source: Seminole County Environmental Services 2024 CCR

PFAS / PFOA

EPA MCL 4 ppt

moderate
5.8 ppt
Safe48/100Severe

Detected in recent monitoring; varies by service zone and proximity to industrial/airport sites.

Source: Seminole County Environmental Services 2024 CCR

Iron

EPA SMCL 0.3 ppm

moderate
0.26 ppm
Safe34/100Severe

Occasional staining reports in older service areas.

Source: Seminole County Environmental Services 2024 CCR

Sediment

—

moderate
Low-Moderate
Safe34/100Severe

Occasional turbidity from main breaks or flushing.

Source: Seminole County Environmental Services 2024 CCR

Your street, not just your city

Which Heathrow neighborhood are you in?

Enter your full address and we'll name your subdivision and the exact water system that serves it. Contaminant testing is only published at the utility level, so the numbers are the same — the geography is yours.

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Neighborhoods

Ranked worst → best.

4 recognized Heathrow communities and subdivisions, ranked worst to best. Tap one for its profile.

Neighborhood profile

Alaqua

Heathrow, FL · City (City of Lake Mary / Seminole County Utilities)

Overall score84
Hardness
High
Chlorine
Moderate

Alaqua (built 1990s, ~500 homes) is served by the municipal system; hardness is the dominant complaint, with softener use common and occasional discoloration in older sections of the neighborhood.

Built 1990s~500 homes32746
Full Alaqua water report Get a quote for Alaqua

How we score a Heathrow neighborhood

No agency publishes testing per subdivision — it is published per public water system. So the score is a documented model, not a measurement:

  1. 1Start from the serving utility's own published baseline (hardness plus disinfection-byproduct load from its most recent Consumer Confidence Report).
  2. 2Add for plumbing era: +8 for pre-1960 housing stock, +4 for 1960s-80s, +2 for 1990s-2000s, +0 for 2010 and newer.
  3. 3Add for service-zone position: +6 where the subdivision sits at the end of long distribution mains (newer master-planned build-outs), +3 for the oldest downtown mains.
  4. 4Add for local sources: +12 private or community well, +9 airport/GOAA PFAS influence area, +7 industrial adjacency, +3 golf-corridor irrigation, +2 lakefront shallow-well and iron staining.
  5. 5Clamp to 30-95, then map to low / moderate / high. Wells get chlorine scored near zero — nothing is disinfecting that water at all.

Where the Heathrow community names come from

Heathrow publishes no official neighborhood map, so these are the recognized subdivision and community names used by the city, USPS mail routes, and local listings.

Data compiled from Heathrow Consumer Confidence Reports and EPA ECHO monitoring. Neighborhood-level readings are estimates based on service zone, plumbing age, and source blending; a free on-site test provides exact numbers for your address.

Sources & citations

Water system

Seminole County Environmental Services

County system serving most unincorporated Seminole County across multiple separate treatment plants.

Maintenance

Last reviewed July 29, 2026

CCRs publish annually. We re-check every page against the current report. Full methodology.

What happens next

The free test, exactly as it works.

We're testing homes in Heathrow now

Book a slot and a technician brings a full field kit to your kitchen sink — hardness, chlorine, iron, TDS and pH, measured on site.

About 20 minutes, start to finish

You get your numbers written down and compared against your utility's own published report. Nothing is installed on the test visit.

A recommendation, not a hard close

If filtration makes sense, you get a fixed written price and financing options. If it doesn't, we'll tell you that too.

We don't publish customer reviews or install counts here until they come straight from our Google Business Profile — nothing on this page is a stand-in for real ones.

2 quick questions

What should we look at first in your Heathrow home?

No contact info needed to answer — this just tells our tech what to test for.

1. Your main concern

Straight answers

Before you call anyone in Heathrow.

Need is the wrong word: your Heathrow utility delivers water that meets every enforceable EPA limit. Filtration is about the things those limits don't cover — hardness that scales your fixtures and water heater, chlorine taste and smell, and disinfection byproducts that sit above the stricter (non-enforceable) EWG health guideline. Legal water and water you enjoy drinking aren't the same standard.

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A technician tests hardness, chlorine, iron, TDS and pH at your kitchen sink, walks you through the numbers, and leaves you the results — whether or not you buy anything.

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Nothing gets installed on a test visit. If filtration makes sense, you get a fixed written price.