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Water Hardness in 96161

Truckee, California · Nevada County

45 PPM
2.6 GPG
Soft
0Soft60120180300+
Verified — State Lab Tested

Dataset updated March 9, 2026Matched to 7 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 7 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
3 verified treated-water sources
7 matched systems total for this ZIP; 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
Report years 2024-2025
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 96161

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.

7 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.
Truckee-Donner Pud, Main
CA2910003
Slightly Hard
66 PPMgroundwater36,730 servedHigh Confidence — USGS Monitoring
Nevada Id - E. George, Banner Mountain
CA2910004
Soft
8 PPMsurface water17,154 servedVerified — State Lab Tested
Source water: 27 PPM
Northstar C.S.D.
CA3110028
Slightly Hard
66 PPMsurface water15,452 servedHigh Confidence — USGS Monitoring
Nevada Id - Loma Rica
CA2910006
Soft
10 PPMsurface water14,072 servedVerified — State Lab Tested
Source water: 27 PPM
Northstar Csd - Martis Valley
CA3110051
Slightly Hard
66 PPMgroundwater4,493 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

961464495728449614044961484496143449614545894516596126889614144895116596118888952365

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Truckee, CA (96161).

Submit Your Data

Frequently Asked Questions

Is the water hard in Truckee, CA (96161)?

The average water hardness in 96161 is 45 PPM (2.6 GPG), which is classified as soft.

Do I need a water softener in 96161?

At 45 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 96161 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 96161?

Zip code 96161 in Truckee, California is served by 7 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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