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City water profile

Lake Mary water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Lake Mary, Florida.

Median indexed hardness

353PPM

One indexed ZIP

Range 353–353 PPM

State comparison
73 PPM above
State hardness rank
#56 of 290
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Lake Mary has 1 published ZIP profile across Seminole County. The indexed median is 353 PPM, compared with 280 PPM across Florida.

Among the 290 Floridacities with an indexed median, Lake Mary ranks #56from highest to lowest. Across all 603 state ZIP profiles, available estimates run from 20to 374.5 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
19 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 13, 2016 to May 27, 2026.

ZIP directory

Water reports in Lake Mary

Open a ZIP for site-level provenance and measurements.

ZIP code

32746

Very Hard

353 PPM

Nearest site
19 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Seminole County Northeast

PWSID FL3590473

Groundwater
System population served
19,925
Last reported
May 18, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Lake Mary, City Of

PWSID FL3590201

Groundwater
System population served
17,066
Last reported
May 18, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleFL3590201Feb 1, 2025Archived
Lead and Copper RuleFL3590473Jun 1, 2004Unaddressed

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Lake Mary

Is the water hard?

The indexed city median is 353 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.