Water Hardness in 83805
Bonners Ferry, Idaho · Boundary County
Dataset updated March 9, 2026Matched to 11 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 11 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 83805
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 |
|---|---|---|---|
Bonners Ferry City Of ID1110003 | surface water | 70 PPM Slightly Hard | |
Three Mile Water Dist ID1110028 | groundwater | 70 PPM Slightly Hard | |
Cabinet Mountains Water Dist ID1110042 | groundwater | 70 PPM Slightly Hard | |
Bee Line Water Assn Inc ID1110001 | surface water | 70 PPM Slightly Hard | |
Mission Creek Water Assn ID1110019 | groundwater | 70 PPM Slightly Hard |
Nearby Zip Codes
What This Means For You
Recommendations are based on the displayed ZIP 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 Bonners Ferry, ID (83805).
Frequently Asked Questions
Is the water hard in Bonners Ferry, ID (83805)?
The average water hardness in 83805 is 70 PPM (4.1 GPG), which is classified as slightly hard.
Do I need a water softener in 83805?
At 70 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 83805 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 83805?
Zip code 83805 in Bonners Ferry, Idaho is served by 11 water systems.
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