Water Hardness in Sacramento, CA

Q: Do I need a water softener in Sacramento, CA?

At a citywide weighted average of 70 PPM, Sacramento has relatively soft water. A water softener is generally not necessary.

Q: How many water systems serve Sacramento, CA?

Sacramento, California has 57 matched water systems across 28 zip codes.

California · 28 zip codes · 57 matched water systems

44 PPM

2.5 GPG

Soft

0Soft60120180300+

Verified — State Lab Tested

City avg (weighted): 70 PPM

Dataset updated March 9, 202657 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading

City Of Sacramento Main

CA3410020

Water source: surface water

Source year: 2024

Serves: 520,407

USGS environmental estimate: 54 PPM

Source context

How this city reading is built

This city reading is a weighted rollup across 57 matched water systems and 28 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis

15 verified treated-water sources

57 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

Report years 2023-2024

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 Sacramento

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

57 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.

Water System	Source	Hardness	Pop. Served	Data Source
City Of Sacramento Main CA3410020	surface water	44 PPM Soft USGS estimate: 54 PPM	520,407	Verified — State Lab Tested(2024)
Sacramento Suburban Water District CA3410001	surface water	116 PPM Slightly Hard	194,444	High Confidence — USGS Monitoring
Scwa - Laguna/Vineyard CA3410029	surface water	64 PPM Slightly Hard USGS estimate: 93 PPM	184,896	Verified — State Lab Tested(2023)
Folsom, City Of - Main CA3410014	surface water	24 PPM Soft USGS estimate: 105 PPM	80,969	Verified — State Lab Tested(2024)
Citrus Heights Water District CA3410006	surface water	105 PPM Slightly Hard	67,818	High Confidence — USGS Monitoring

City Of Sacramento Main

CA3410020

Soft

44 PPMsurface water520,407 servedVerified — State Lab Tested

Source water: 54 PPM

Sacramento Suburban Water District

CA3410001

Slightly Hard

116 PPMsurface water194,444 servedHigh Confidence — USGS Monitoring

Scwa - Laguna/Vineyard

CA3410029

Slightly Hard

64 PPMsurface water184,896 servedVerified — State Lab Tested

Source water: 93 PPM

Folsom, City Of - Main

CA3410014

Soft

24 PPMsurface water80,969 servedVerified — State Lab Tested

Source water: 105 PPM

Citrus Heights Water District

CA3410006

Slightly Hard

105 PPMsurface water67,818 servedHigh Confidence — USGS Monitoring

Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Sacramento, CA

9581470 9581571 9581670 9581770 9581870 9581970 9582070 9582170 9582270 9582370 9582470 9582570 9582670 9582770 9582870 9582970 9583070 9583170 9583270 9583370 9583470 9583570 9583770 9583870 9584170 9584270 9584370 9586470

What This Means For You

Recommendations are based on the displayed 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 Sacramento, CA.

Submit Your Data

Frequently Asked Questions

How hard is the water in Sacramento, CA?

The citywide weighted average water hardness in Sacramento, CA is 70 PPM (4.1 GPG), classified as slightly hard. This is based on 57 matched water systems. The gauge highlights City Of Sacramento Main, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Sacramento, CA?

At 70 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Sacramento, CA 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 Sacramento, CA?

Sacramento, California is served by 57 matched water systems across 28 zip codes.

Learn More About Your Water

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