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City water profile

Greenville water quality

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

Median indexed hardness

42PPM

One indexed ZIP

Range 41.7–41.7 PPM

State comparison
16 PPM below
State hardness rank
#61 of 74
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Greenville has 1 published ZIP profile across Hillsborough County. The indexed median is 42 PPM, compared with 58 PPM across New Hampshire.

Among the 74 New Hampshirecities with an indexed median, Greenville ranks #61from 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
10.8 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

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

ZIP directory

Water reports in Greenville

Open a ZIP for site-level provenance and measurements.

ZIP code

03048

Soft

41.7 PPM

Nearest site
10.8 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Greenville Water Dept

PWSID NH0991010

Surface water
System population served
1,100
Last reported
Jun 23, 2026

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

Greenville Est Village Dist

PWSID NH0993020

Surface water
System population served
472
Last reported
Jun 23, 2026

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

Frost Trailer Park

PWSID NH0993030

Groundwater
System population served
73
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
TTHMNH0993020Jan 1, 2026Archived · health-based
Surface Water Treatment RuleNH0991010Nov 1, 2025Resolved
Total Haloacetic Acids (HAA5)NH0993020Oct 1, 2025Resolved
TTHMNH0993020Oct 1, 2025Resolved
Lead and Copper RuleNH0991010Jul 11, 2025Resolved
ChlorineNH0993020Jul 1, 2025Resolved
Lead and Copper RuleNH0993020Dec 31, 2024Resolved
Total Haloacetic Acids (HAA5)NH0993020Oct 1, 2024Resolved
ChlorineNH0993020Oct 1, 2024Resolved
TTHMNH0993020Oct 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 Greenville

Is the water hard?

The indexed city median is 42 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.