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Water Hardness in Baraboo, WI

Wisconsin · 1 zip codes · 5 matched water systems

149 PPM
8.7 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 USGS-backed sources
5 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 Baraboo

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

5 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.
Baraboo Waterworks
WI1570085
Moderately Hard
149 PPMgroundwater12,703 servedHigh Confidence — USGS Monitoring
West Baraboo Waterworks
WI1570112
Moderately Hard
149 PPMgroundwater1,414 servedHigh Confidence — USGS Monitoring
Sunnyside Estates
WI1140854
Moderately Hard
149 PPMgroundwater135 servedHigh Confidence — USGS Monitoring
Cozy Acres Mhp
WI1220088
Moderately Hard
149 PPMgroundwater80 servedHigh Confidence — USGS Monitoring
Glacier View Subdivision
WI1570924
Moderately Hard
149 PPMgroundwater75 servedHigh Confidence — USGS Monitoring

Zip Codes in Baraboo, WI

What This Means For You

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

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

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Frequently Asked Questions

How hard is the water in Baraboo, WI?

The citywide weighted average water hardness in Baraboo, WI is 149 PPM (8.7 GPG), classified as moderately hard. This is based on 5 matched water systems.

Do I need a water softener in Baraboo, WI?

With a citywide average hardness of 149 PPM, a water softener is worth considering for homes in Baraboo. Confirm your tap reading before sizing equipment.

Is hard water in Baraboo, WI 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 Baraboo, WI?

Baraboo, Wisconsin is served by 5 matched water systems across 1 zip code.

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