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City water profile

Hobe Sound water quality

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

Median indexed hardness

288PPM

One indexed ZIP

Range 288–288 PPM

State comparison
8 PPM above
State hardness rank
#110 of 290
Matched utilities
4
Active health records
3

City summary

What the indexed records say

Hobe Sound has 1 published ZIP profile across Martin County. The indexed median is 288 PPM, compared with 280 PPM across Florida.

Among the 290 Floridacities with an indexed median, Hobe Sound ranks #110from 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
8.3 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 Hobe Sound

Open a ZIP for site-level provenance and measurements.

ZIP code

33455

Very Hard

288 PPM

Nearest site
8.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

South Martin Regional Utilities

PWSID FL4430624

Groundwater
System population served
27,000
Last reported
May 18, 2026

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

Soundings Yacht ; Tennis Club

PWSID FL4431456

Groundwater
System population served
450
Last reported
May 18, 2026

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

Lakeside Village Mhp

PWSID FL4430774

Groundwater
System population served
220
Last reported
May 18, 2026

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

Woodbridge Mobile Village

PWSID FL4431582

Groundwater
System population served
189
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

3 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleFL4431456Feb 1, 2026Archived
E. COLIFL4431456Feb 1, 2026Archived
E. COLIFL4431456Oct 1, 2025Resolved
E. COLIFL4431456Aug 1, 2025Resolved
Consumer Confidence RuleFL4431456Jul 1, 2025Resolved
LEAD AND COPPER RULE REVISIONSFL4431456Feb 1, 2025Unaddressed · health-based
E. COLIFL4431456Feb 1, 2025Resolved
LEAD AND COPPER RULE REVISIONSFL4431456Feb 1, 2025Unaddressed
LEAD AND COPPER RULE REVISIONSFL4430774Feb 1, 2025Unaddressed
LEAD AND COPPER RULE REVISIONSFL4430774Feb 1, 2025Unaddressed · health-based

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 Hobe Sound

Is the water hard?

The indexed city median is 288 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.