City water profile

Water hardness in Greenville

Find official utility reports, understand hardness, and check the water system serving your home in Greenville, New Hampshire.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 3
Active health records: 0

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Greenville Water Dept

NH0991010 · Surface water · 1,100 people served system-wide

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

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 0.11 mg/L
Action level: 0.015 mg/L

733% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (2)

Imported violation history for Greenville Water Dept
Rule	Status	Period
Surface Water Treatment Rule	Resolved	Nov 1, 2025 to Nov 30, 2025
Lead and Copper Rule	Resolved	Jul 11, 2025 to Aug 12, 2025

Greenville Est Village Dist

NH0993020 · Surface water · 472 people served system-wide

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

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (3)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 0.018 mg/L
Action level: 0.015 mg/L

120% of the listed benchmark

Monitoring period: Jan 1, 2020 to Dec 31, 2020

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 1.537 mg/L
Action level: 1.3 mg/L

118% of the listed benchmark

Monitoring period: Jan 1, 2004 to Dec 31, 2006

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.081 MG/L
Maximum contaminant level: 0.08 MG/L

101% of the listed benchmark

Monitoring period: Jan 1, 2026 to Mar 31, 2026

Violation history (15)

Imported violation history for Greenville Est Village Dist
Rule	Status	Period
TTHMHealth-based	Archived	Jan 1, 2026 to Mar 31, 2026
Total Haloacetic Acids (HAA5)	Resolved	Oct 1, 2025 to Jan 1, 2026
TTHM	Resolved	Oct 1, 2025 to Jan 1, 2026
Chlorine	Resolved	Jul 1, 2025 to Oct 1, 2025
Lead and Copper Rule	Resolved	Dec 31, 2024 to Jan 23, 2025
Total Haloacetic Acids (HAA5)	Resolved	Oct 1, 2024 to Jan 1, 2025
Chlorine	Resolved	Oct 1, 2024 to Jan 1, 2025
TTHM	Resolved	Oct 1, 2024 to Jan 1, 2025
Total Haloacetic Acids (HAA5)	Resolved	Jul 1, 2024 to Oct 1, 2024
Chlorine	Resolved	Jul 1, 2024 to Oct 1, 2024
TTHM	Resolved	Jul 1, 2024 to Oct 1, 2024
Chlorine	Resolved	Jan 1, 2024 to Apr 1, 2024
Lead and Copper Rule	Resolved	Oct 1, 2021 to Oct 11, 2021
Public Notice	Resolved	Aug 23, 2021 to Sep 9, 2021
Lead and Copper Rule	Resolved	Jul 11, 2021 to Sep 20, 2021

Frost Trailer Park

NH0993030 · Groundwater · 73 people served system-wide

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

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 2.46 mg/L
Action level: 1.3 mg/L

189% of the listed benchmark

Monitoring period: Dec 31, 1996 to Jun 30, 1997

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

City summary

What the indexed records say

Greenville has 1 published ZIP profile across Hillsborough County. The regional-evidence median is 17 PPM. The city does not meet the stricter comparison standard.

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: Aug 1, 2016 to Sep 26, 2024.

ZIP directory

Water reports in Greenville

Open a ZIP for site-level provenance and measurements.

ZIP code

03048

Soft

17.3 PPM

Nearest site: 10.8 mi
Confidence: Moderate

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other New Hampshire communities

Amherst

Hillsborough County

77 PPM median

Antrim

Hillsborough County

55 PPM median

Bennington

Hillsborough County

42 PPM median

Francestown

Hillsborough County

42 PPM median

Goffstown

Hillsborough County

36 PPM median

Hancock

Hillsborough County

16 PPM median

Search all 74 New Hampshire cities →

Questions people ask

About water in Greenville

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

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.