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Water Hardness in Eagle, ID

Idaho · 1 zip codes · 21 matched water systems

108 PPM
6.3 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 108 PPM

Dataset updated March 9, 202621 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Veolia Water Idaho
ID4010016
Water source: surface water
Serves: 264,978
USGS environmental estimate: 49 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 21 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 verified treated-water sources
21 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 Eagle

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

21 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.
Veolia Water Idaho
ID4010016
Slightly Hard
108 PPMsurface water264,978 servedVerified — Annual Water Quality Report
Source water: 49 PPM
Meridian Water Dept
ID4010097
Slightly Hard
108 PPMgroundwater147,340 servedVerified — Annual Water Quality Report
Source water: 110 PPM
Kuna City Of
ID4010085
Slightly Hard
108 PPMgroundwater32,038 servedVerified — Annual Water Quality Report
Source water: 138 PPM
Star Sewer And Water Dist Water System
ID4010220
Slightly Hard
108 PPMgroundwater14,000 servedVerified — Annual Water Quality Report
Source water: 110 PPM
Garden City Water And Sewer System
ID4010066
Slightly Hard
108 PPMgroundwater12,500 servedVerified — Annual Water Quality Report
Source water: 134 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Eagle, ID

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 Eagle, ID.

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Frequently Asked Questions

How hard is the water in Eagle, ID?

The citywide weighted average water hardness in Eagle, ID is 108 PPM (6.3 GPG), classified as slightly hard. This is based on 21 matched water systems.

Do I need a water softener in Eagle, ID?

At 108 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Eagle, ID 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 Eagle, ID?

Eagle, Idaho is served by 21 matched water systems across 1 zip code.

Learn More About Your Water