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Water Hardness in 83234

Downey, Idaho · Bannock County

201 PPM
11.7 GPG
Hard
0Soft60120180300+
Verified - Annual Water Quality Report

Dataset updated March 9, 2026Matched to 3 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 3 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.

Source basis
2 verified treated-water sources
3 matched systems total for this ZIP; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 Serving 83234

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.

3 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.
Pocatello City Of
ID6030043
Hard
200 PPMgroundwater58,231 servedVerified - Annual Water Quality Report
Source water: 257 PPM
Chubbuck City Of
ID6030008
Hard
200 PPMgroundwater15,842 servedVerified - Annual Water Quality Report
Source water: 257 PPM
Downey City Of
ID6030012
Very Hard
304 PPMgroundwater625 servedHigh Confidence - USGS Monitoring

Nearby Zip Codes

832812008324620183228240832142008324134483250200832322408328320483252337832122048326332783286411

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.

MethodologyData sourcesHow 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 Downey, ID (83234).

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Frequently Asked Questions

Is the water hard in Downey, ID (83234)?

The average water hardness in 83234 is 201 PPM (11.7 GPG), which is classified as hard.

Do I need a water softener in 83234?

With hardness of 201 PPM, a water softener is recommended for homes in 83234.

Is hard water in 83234 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 83234?

Zip code 83234 in Downey, Idaho is served by 3 water systems.

Learn More About Your Water

How to Test Water Hardness at Home

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Water Hardness Scale: PPM and GPG Chart

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Well Water Hardness: Why It's Usually Hard & How to Treat It

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