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City water profile

Lebanon water quality

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

Median indexed hardness

25PPM

2 indexed ZIPs

Range 24–25.4 PPM

State comparison
33 PPM below
State hardness rank
#70 of 74
Matched utilities
5
Active health records
0

City summary

What the indexed records say

Lebanon has 2 published ZIP profiles across Grafton County. The indexed median is 25 PPM, compared with 58 PPM across New Hampshire.

Among the 74 New Hampshirecities with an indexed median, Lebanon ranks #70from highest to lowest. Across all 90 state ZIP profiles, available estimates run from 16to 102 PPM.

The 24–25.4 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

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
34 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

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

ZIP directory

Water reports in Lebanon

Open a ZIP for site-level provenance and measurements.

ZIP code

03766

Soft

25.4 PPM

Nearest site
34 mi
Confidence
Low

View full ZIP evidence →

ZIP code

03784

Soft

24 PPM

Nearest site
33.9 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Lebanon Water Dept

PWSID NH1321010

Surface water
System population served
13,600
Last reported
Jun 23, 2026

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

Mascoma Meadows

PWSID NH1323020

Groundwater
System population served
125
Last reported
Jun 23, 2026

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

Olympic Mobile Home Vill/upper

PWSID NH1323030

Groundwater
System population served
48
Last reported
Jun 23, 2026

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

Olympic Mobile Home Vill/lower

PWSID NH1323050

Groundwater
System population served
32
Last reported
Jun 23, 2026

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

Curriers Mhp

PWSID NH1323040

Groundwater
System population served
24
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 RuleNH1323020Oct 1, 2025Resolved · health-based
Lead and Copper RuleNH1323020Jul 1, 2024Resolved
Interim Enhanced Surface Water Treatment RuleNH1321010Jul 1, 2023Resolved · health-based
Consumer Confidence RuleNH1323030Jul 1, 2023Resolved
Consumer Confidence RuleNH1323050Jul 1, 2023Resolved
Consumer Confidence RuleNH1323040Jul 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 Lebanon

Is the water hard?

The indexed city median is 25 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.