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City water profile

Newport water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Newport, New Hampshire.

Median indexed hardness

28PPM

One indexed ZIP

Range 27.8–27.8 PPM

State comparison
30 PPM below
State hardness rank
#69 of 74
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Newport has 1 published ZIP profile across Sullivan County. The indexed median is 28 PPM, compared with 58 PPM across New Hampshire.

Among the 74 New Hampshirecities with an indexed median, Newport ranks #69from highest to lowest. Across all 90 state ZIP profiles, available estimates run from 16to 102 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

Soft1 ZIP
Moderately hard0 ZIPs
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
17.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 14, 2016 to Mar 19, 2026.

ZIP directory

Water reports in Newport

Open a ZIP for site-level provenance and measurements.

ZIP code

03773

Soft

27.8 PPM

Nearest site
17.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Newport Water Works

PWSID NH1741010

Surface water
System population served
5,000
Last reported
Jun 23, 2026

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

Cary And Allen St Dev

PWSID NH1742010

Groundwater
System population served
43
Last reported
Jun 23, 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 RuleNH1742010Nov 8, 2023Resolved
Revised Total Coliform RuleNH1742010Oct 1, 2023Resolved

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 Newport

Is the water hard?

The indexed city median is 28 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.