WH

Water Hardness in South Burlington, VT

Vermont · 1 zip codes · 6 matched water systems

69 PPM
4 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 69 PPM

Dataset updated March 9, 20266 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Burlington Dept Public Works Water Div
VT0005053
Water source: surface water
Serves: 42,000
USGS environmental estimate: 63 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 6 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
3 verified treated-water sources
6 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in South Burlington

These systems are matched to South Burlington, VT. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

6 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Burlington Dept Public Works Water Div
VT0005053
Slightly Hard
69 PPMsurface water42,000 servedVerified — Annual Water Quality Report
Source water: 63 PPM
South Burlington City Water System
VT0005091
Slightly Hard
69 PPMsurface water19,500 servedVerified — Annual Water Quality Report
Source water: 63 PPM
Colchester Water System
VT0021810
Slightly Hard
69 PPMsurface water11,299 servedVerified — Annual Water Quality Report
Source water: 63 PPM
South Burlington Fire District
VT0005090
Slightly Hard
63 PPMgroundwater250 servedHigh Confidence — USGS Monitoring
Pinecrest Mobile Home Park
VT0005162
Slightly Hard
63 PPMgroundwater139 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in South Burlington, VT

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for South Burlington, VT.

Submit Your Data

Frequently Asked Questions

How hard is the water in South Burlington, VT?

The citywide weighted average water hardness in South Burlington, VT is 69 PPM (4 GPG), classified as slightly hard. This is based on 6 matched water systems.

Do I need a water softener in South Burlington, VT?

At 69 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in South Burlington, VT safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve South Burlington, VT?

South Burlington, Vermont is served by 6 matched water systems across 1 zip code.

Learn More About Your Water