Water Hardness in Edgerton, WI
Wisconsin · 1 zip codes · 5 matched water systems
City avg (weighted): 298 PPM
Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Edgerton, WI Water Hard or Soft?
The displayed hardness for Edgerton, WI is 300 PPM (17.5 GPG) from Janesville Water Utility, classified as very hard. The citywide weighted average is 298 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
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.
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 Edgerton
These systems are matched to Edgerton, WI. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Janesville Water Utility WI1540127 | groundwater | 300 PPM Very HardUSGS estimate: 273 PPM | |
| Beloit City Of WI1540112 | groundwater | 300 PPM Very HardUSGS estimate: 273 PPM | |
| Edgerton Waterworks WI1540119 | groundwater | 273 PPM Very Hard | |
| Rock River Leisure Estates Coop WI1540167 | groundwater | 273 PPM Very Hard | |
| Oakhill Waterworks WI1540116 | groundwater | 273 PPM Very Hard |
Zip Codes in Edgerton, WI
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
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 Edgerton, WI.
Frequently Asked Questions
How hard is the water in Edgerton, WI?
The citywide weighted average water hardness in Edgerton, WI is 298 PPM (17.5 GPG), classified as very hard. This is based on 5 matched water systems. The gauge highlights Janesville Water Utility, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Edgerton, WI?
With a citywide average hardness of 298 PPM, a water softener is recommended for homes in Edgerton. Confirm your tap reading before sizing equipment.
Is hard water in Edgerton, 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 Edgerton, WI?
Edgerton, Wisconsin is served by 5 matched water systems across 1 zip code.
Learn More About Your Water
How to Test Water Hardness at Home
Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
8 min readWater Hardness Scale: PPM and GPG Chart
Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.
10 min readWell Water Hardness: Why It's Usually Hard & How to Treat It
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