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City water profile

Fairfax water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Fairfax, Vermont.

Median indexed hardness

99PPM

One indexed ZIP

Range 98.8–98.8 PPM

State comparison
1 PPM above
State hardness rank
#35 of 87
Matched utilities
5
Active health records
1

City summary

What the indexed records say

Fairfax has 1 published ZIP profile across Franklin County. The indexed median is 99 PPM, compared with 98 PPM across Vermont.

Among the 87 Vermontcities with an indexed median, Fairfax ranks #35from highest to lowest. Across all 93 state ZIP profiles, available estimates run from 10.5to 176 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 hard1 ZIP
Hard0 ZIPs
Very hard0 ZIPs

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
19.8 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jun 12, 2017 to Jul 20, 2023.

ZIP directory

Water reports in Fairfax

Open a ZIP for site-level provenance and measurements.

ZIP code

05454

Moderately Hard

98.8 PPM

Nearest site
19.8 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Fairfax Water Dept

PWSID VT0005117

Groundwater
System population served
1,550
Last reported
Jun 30, 2026

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

Fairfax Heights Water Co

PWSID VT0005118

Groundwater
System population served
100
Last reported
Jun 30, 2026

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

Fairfax Fire District 1

PWSID VT0005403

Groundwater
System population served
80
Last reported
Jun 30, 2026

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

Colonial Estates Homeowners Assn

PWSID VT0020855

Groundwater
System population served
79
Last reported
Jun 30, 2026

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

Eastfield Condominium Assn Inc

PWSID VT0021020

Groundwater
System population served
63
Last reported
Jun 30, 2026

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

Compliance history

What EPA records show

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Lead and Copper RuleVT0005403Dec 30, 2025Resolved
Revised Total Coliform RuleVT0005117Nov 1, 2025Resolved
NitrateVT0005117Jul 1, 2025Resolved
Consumer Confidence RuleVT0005118Jul 1, 2025Unaddressed
Consumer Confidence RuleVT0020855Jul 1, 2025Unaddressed
Revised Total Coliform RuleVT0005117Feb 1, 2025Resolved
LEAD AND COPPER RULE REVISIONSVT0005118Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSVT0020855Oct 17, 2024Addressed · health-based
Consumer Confidence RuleVT0005118Jul 1, 2024Resolved
Consumer Confidence RuleVT0005403Jul 1, 2024Resolved

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 Fairfax

Is the water hard?

The indexed city median is 99 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.