City water profile

Water hardness in Burlington

Find official utility reports, understand hardness, and check the water system serving your home in Burlington, Vermont.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 2
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.

Burlington Dept Public Works Water Div

VT0005053 · Surface water · 42,000 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: 0.0014 mg/L
Action level: 0.015 mg/L

9% of the listed benchmark

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

Violation history (0)

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

North Ave Co-Op

VT0021071 · Surface water · 301 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 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

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

Violation history (2)

Imported violation history for North Ave Co-Op
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2025 to Oct 7, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Oct 24, 2024

City summary

What the indexed records say

Burlington has 2 published ZIP profiles across Chittenden County. The regional-evidence median is 36 PPM. The city does not meet the stricter comparison standard.

The 35.4–35.8 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: 16.3 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Aug 10, 2017 to Aug 10, 2017.

ZIP directory

Water reports in Burlington

Open a ZIP for site-level provenance and measurements.

ZIP code

05401

Soft

35.4 PPM

Nearest site: 15.5 mi
Confidence: Low

View full ZIP evidence →

ZIP code

05405

Soft

35.8 PPM

Nearest site: 16.3 mi
Confidence: Low

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 Vermont communities

Hinesburg

Chittenden County

260 PPM median

Huntington

Chittenden County

292 PPM median

Milton

Chittenden County

47 PPM median

Richmond

Chittenden County

276 PPM median

Shelburne

Chittenden County

32 PPM median

South Burlington

Chittenden County

39 PPM median

Search all 87 Vermont cities →

Questions people ask

About water in Burlington

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.