How hard is the water in Londonderry, VT?

Utility-reported hardness is unavailable in this index. Regional environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Local water dashboard

Official source aggregation

Water quality in Londonderry, VT 05148

Q: Is tap water safe in Londonderry?

EPA SDWIS reports 1 active health-based violation record(s) among systems associated with this ZIP. Review your utility's current notice and Consumer Confidence Report.

Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Windham County.

1 active health-based record(s) across possible systems

Largest possible serving system: Magic Village Water Coop
Source water: Groundwater
County: Windham County
Profile updated: Jun 30, 2026

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 →

At a glance

What the current records say

EPA quarter 2026Q2

Utility-reported hardness

Unavailable

Ask your provider or test your tap

All possible systems

Review needed

1 active health-based record

Measurements by utility

Choose your provider

Each result belongs to a specific system.

Utility match

4 systems

Serves 308 people system-wide

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.

Magic Village Water Coop

VT0005294 · Groundwater · 308 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

Below action level

Reported level: 0.0012 mg/L
Action level: 0.015 mg/L

8% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (7)

Imported violation history for Magic Village Water Coop
Rule	Status	Period
CYANIDE	Resolved	Oct 1, 2022 to Dec 31, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Oct 12, 2022
Nitrate	Resolved	Jul 1, 2021 to Sep 30, 2021
Chlorine	Resolved	Apr 1, 2021 to Jun 20, 2021
Asbestos	Resolved	Jan 1, 2021 to Mar 31, 2021
Lead and Copper Rule	Resolved	Jan 1, 2021 to Oct 10, 2022
Revised Total Coliform Rule	Unaddressed	May 12, 2020

Trailside At Magic Mountain

VT0020151 · Groundwater · 150 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 (2)

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

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 2.16 mg/L
Action level: 1.3 mg/L

166% of the listed benchmark

Monitoring period: Jan 1, 2011 to Jun 30, 2011

Violation history (3)

Imported violation history for Trailside At Magic Mountain
Rule	Status	Period
Nitrate	Resolved	Oct 1, 2022 to Dec 31, 2022
Radium-226	Resolved	Oct 1, 2022 to Dec 31, 2022
Radium-228	Resolved	Oct 1, 2022 to Dec 31, 2022

Mountain Side Condominium

VT0005577 · Groundwater · 45 people served system-wide

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

1 reported active health-based record(s) for this system

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

Below action level

Reported level: 0.0015 mg/L
Action level: 0.015 mg/L

10% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (8)

Imported violation history for Mountain Side Condominium
Rule	Status	Period
Nitrate	Resolved	Apr 1, 2025 to Jun 30, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Addressed	Oct 17, 2024
Revised Total Coliform RuleHealth-based	Resolved	Jul 1, 2023 to Jul 31, 2023
Gross Alpha, Excl. Radon and U	Resolved	Jan 1, 2023 to Mar 31, 2023
TTHM	Resolved	Jan 1, 2023 to Dec 31, 2023
Total Haloacetic Acids (HAA5)	Resolved	Jan 1, 2023 to Dec 31, 2023
E. COLI	Resolved	Nov 28, 2021 to Nov 29, 2021
Consumer Confidence Rule	Unaddressed	Jul 1, 2002

Smith Haven Center

VT0005583 · Groundwater · 36 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

Below action level

Reported level: 0.0025 mg/L
Action level: 0.015 mg/L

17% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (0)

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

Hardness meter

What does nearby environmental evidence show?

Moderately Hard

67.1

PPM as CaCO₃

Moderately Hard

PPM

67.1

GPG

3.9

Regional environmental evidence

USGS hardness classification scale

67.1 PPM

Soft
0–60Moderate
61–120Hard
121–180Very hard
181+

Parts per million

67.1

mg/L as CaCO₃ equivalent

Grains per gallon

3.9

1 GPG ≈ 17.1 PPM

How to use regional evidence

These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.

USGS sites used

Nearest site

6 mi

Observation range

Jul 19, 2017–Jul 8, 2019

Regional evidence confidence

Low

Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: VT- AN 01 (Well).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.

Regional context

Is 05148 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

Londonderry median

67 PPM

About the same

1 indexed ZIP readings · Range 67.1–67.1 PPM

Vermont median

114 PPM

47 PPM lower

80 indexed ZIP readings · Range 13.3–292 PPM

Evidence-first next steps

Confirm the problem before choosing treatment

This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.

Confirm the serving system

ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.

Read the current utility report

An active health-based record is present. Follow the utility's current notice and public-health instructions.

Find an official utility report →

Test for the decision you face

Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.

Convert your hardness test result →

Frequently asked

Water questions for Londonderry

Is tap water safe in Londonderry?+

EPA ECHO reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.

How hard is the water?+

Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.

Do I need a water softener?+

Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.