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Water Hardness in Salmon, ID

Idaho · 1 zip codes · 5 matched water systems

217 PPM
12.7 GPG
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 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 Salmon

These systems are matched to Salmon, ID. 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.
Salmon City Of
ID7300042
Hard
227 PPMsurface water3,158 servedHigh Confidence — USGS Monitoring
Elk Bend Unit 1
ID7300013
Moderately Hard
136 PPMgroundwater200 servedHigh Confidence — USGS Monitoring
Sunset Heights Water District
ID7300050
Moderately Hard
136 PPMgroundwater65 servedHigh Confidence — USGS Monitoring
Valley View Heights
ID7300057
Moderately Hard
136 PPMgroundwater65 servedHigh Confidence — USGS Monitoring
Salmon River Meadows Mutual Water Compan
ID7300041
Moderately Hard
136 PPMgroundwater47 servedHigh Confidence — USGS Monitoring

Zip Codes in Salmon, ID

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 Salmon, ID.

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Frequently Asked Questions

How hard is the water in Salmon, ID?

The citywide weighted average water hardness in Salmon, ID is 217 PPM (12.7 GPG), classified as hard. This is based on 5 matched water systems.

Do I need a water softener in Salmon, ID?

With a citywide average hardness of 217 PPM, a water softener is recommended for homes in Salmon. Confirm your tap reading before sizing equipment.

Is hard water in Salmon, 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 Salmon, ID?

Salmon, Idaho is served by 5 matched water systems across 1 zip code.

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