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City water profile

Newport water quality

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

Median indexed hardness

45PPM

2 indexed ZIPs

Range 45.1–45.1 PPM

State comparison
2 PPM above
State hardness rank
#4 of 12
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Newport has 2 published ZIP profiles across Newport County. The indexed median is 45 PPM, compared with 43 PPM across Rhode Island.

Among the 12 Rhode Islandcities with an indexed median, Newport ranks #4from highest to lowest. Across all 33 state ZIP profiles, available estimates run from 40.5to 64.1 PPM.

The 45.1–45.1 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft2 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
20.6 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Jan 4, 2016 to Jun 8, 2026.

ZIP directory

Water reports in Newport

Open a ZIP for site-level provenance and measurements.

Public water systems

Utilities associated with this city

Newport-City Of

PWSID RI1592010

Surface water
System population served
42,155
Last reported
May 26, 2026

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

Naval Station, Newport

PWSID RI1000016

Surface water
System population served
7,870
Last reported
May 26, 2026

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

United States Navy -Fort Adams

PWSID RI1900046

Surface water
System population served
320
Last reported
May 26, 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 RuleRI1900046Nov 11, 2025Resolved
Consumer Confidence RuleRI1592010Jul 1, 2025Resolved
CARBON, TOTALRI1592010Jul 1, 2024Resolved
ChlorineRI1592010Jul 1, 2024Resolved
ChloriteRI1592010Jan 1, 2024Resolved
Total Haloacetic Acids (HAA5)RI1000016Jan 1, 2023Resolved
TTHMRI1000016Jan 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 45 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.