Water Hardness in 83616
Eagle, Idaho · Ada County
Dataset updated March 9, 2026Matched to 21 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 21 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 83616
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 |
|---|---|---|---|
| Veolia Water Idaho ID4010016 | surface water | 108 PPM Slightly HardUSGS estimate: 49 PPM | |
| Meridian Water Dept ID4010097 | groundwater | 108 PPM Slightly HardUSGS estimate: 110 PPM | |
| Kuna City Of ID4010085 | groundwater | 108 PPM Slightly HardUSGS estimate: 138 PPM | |
| Star Sewer And Water Dist Water System ID4010220 | groundwater | 108 PPM Slightly HardUSGS estimate: 110 PPM | |
| Garden City Water And Sewer System ID4010066 | groundwater | 108 PPM Slightly HardUSGS estimate: 134 PPM |
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 Eagle, ID (83616).
Frequently Asked Questions
Is the water hard in Eagle, ID (83616)?
The average water hardness in 83616 is 108 PPM (6.3 GPG), which is classified as slightly hard.
Do I need a water softener in 83616?
At 108 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 83616 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 83616?
Zip code 83616 in Eagle, Idaho is served by 21 water systems.
Learn More About Your Water
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