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City water profile

Stuart water quality

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

Median indexed hardness

291PPM

One indexed ZIP

Range 290.5–290.5 PPM

State comparison
11 PPM above
State hardness rank
#105 of 290
Matched utilities
7
Active health records
0

City summary

What the indexed records say

Stuart has 1 published ZIP profile across Martin County. The indexed median is 291 PPM, compared with 280 PPM across Florida.

Among the 290 Floridacities with an indexed median, Stuart ranks #105from 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
1.1 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jun 20, 2016 to Jan 27, 2026.

ZIP directory

Water reports in Stuart

Open a ZIP for site-level provenance and measurements.

ZIP code

34994

Very Hard

290.5 PPM

Nearest site
1.1 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Stuart, City Of - Water Plant

PWSID FL4430259

Groundwater
System population served
16,841
Last reported
May 18, 2026

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

Sailfish Point

PWSID FL4434000

Groundwater
System population served
1,145
Last reported
May 18, 2026

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

St. Lucie Falls

PWSID FL4434014

Groundwater
System population served
499
Last reported
May 18, 2026

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

Natalie Estates Mobile Home Pk #200

PWSID FL4430956

Groundwater
System population served
250
Last reported
May 18, 2026

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

South Fork Homeowner Util Corp

PWSID FL4430484

Groundwater
System population served
200
Last reported
May 18, 2026

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

Cora-Win Cove

PWSID FL4431883

Groundwater
System population served
127
Last reported
May 18, 2026

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

Seabranch Rv Resort

PWSID FL4431235

Groundwater
System population served
90
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
E. COLIFL4431883Mar 1, 2026Archived
Revised Total Coliform RuleFL4431883Mar 1, 2026Archived
Revised Total Coliform RuleFL4431883Oct 1, 2025Archived
Revised Total Coliform RuleFL4430484Sep 1, 2025Archived
Revised Total Coliform RuleFL4430484Aug 1, 2025Resolved
Consumer Confidence RuleFL4430259Jul 1, 2025Unaddressed
Consumer Confidence RuleFL4430484Jul 1, 2025Resolved
Revised Total Coliform RuleFL4430484May 1, 2025Resolved
Revised Total Coliform RuleFL4430259Apr 1, 2025Unaddressed
Revised Total Coliform RuleFL4434014Apr 1, 2025Resolved

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 Stuart

Is the water hard?

The indexed city median is 291 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.