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City water profile

Waterford water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Waterford, Connecticut.

Median indexed hardness

43PPM

One indexed ZIP

Range 43–43 PPM

State comparison
10 PPM below
State hardness rank
#52 of 52
Matched utilities
4
Active health records
0

City summary

What the indexed records say

Waterford has 1 published ZIP profile across New London County. The indexed median is 43 PPM, compared with 53 PPM across Connecticut.

Among the 52 Connecticutcities with an indexed median, Waterford ranks #52from highest to lowest. Across all 98 state ZIP profiles, available estimates run from 42.8to 114 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
10.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

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

ZIP directory

Water reports in Waterford

Open a ZIP for site-level provenance and measurements.

Public water systems

Utilities associated with this city

New London Dept. Of Public Utilities

PWSID CT0950011

Surface water
System population served
27,620
Last reported
Jun 29, 2026

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

Waterford Wpca

PWSID CT1520071

Surface water
System population served
16,578
Last reported
Jun 29, 2026

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

Montville Water Supply

PWSID CT0864011

Surface water
System population served
1,300
Last reported
Jun 29, 2026

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

Waterford Country School, Inc.

PWSID CT1520061

Groundwater
System population served
180
Last reported
Jun 29, 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
Consumer Confidence RuleCT0950011Jul 1, 2025Resolved
Consumer Confidence RuleCT1520071Jul 1, 2025Resolved
Consumer Confidence RuleCT0950011Jul 1, 2024Resolved
Consumer Confidence RuleCT1520071Jul 1, 2024Resolved
Lead and Copper RuleCT1520071Dec 30, 2023Resolved
Consumer Confidence RuleCT0950011Jul 1, 2023Resolved
Consumer Confidence RuleCT1520071Jul 1, 2023Resolved
Revised Total Coliform RuleCT1520061Dec 1, 2022Resolved
Revised Total Coliform RuleCT1520061Aug 1, 2022Resolved
Consumer Confidence RuleCT1520071Oct 19, 1999Unaddressed

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 Waterford

Is the water hard?

The indexed city median is 43 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.