Water Hardness in 83656
Notus, Idaho · Canyon County
Dataset updated March 9, 2026Matched to 9 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 9 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 83656
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Nampa City Of ID3140080 | groundwater | 150 PPM Moderately HardUSGS estimate: 196 PPM | |
| Caldwell City Of ID3140013 | groundwater | 150 PPM Moderately HardUSGS estimate: 196 PPM | |
| Middleton City Of ID3140074 | groundwater | 150 PPM Moderately HardUSGS estimate: 110 PPM | |
| Notus City Of ID3140083 | groundwater | 134 PPM Moderately Hard | |
| Midvale Water System ID3440007 | groundwater | 134 PPM Moderately Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP 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 Notus, ID (83656).
Frequently Asked Questions
Is the water hard in Notus, ID (83656)?
The average water hardness in 83656 is 150 PPM (8.8 GPG), which is classified as moderately hard.
Do I need a water softener in 83656?
With hardness of 150 PPM, a water softener is worth considering for homes in 83656.
Is hard water in 83656 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 83656?
Zip code 83656 in Notus, Idaho is served by 9 water systems.
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