Water Hardness in Woodland, CA
California · 2 zip codes · 12 matched water systems
City avg (weighted): 191 PPM
Dataset updated March 9, 202612 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Woodland, CA Water Hard or Soft?
The displayed hardness for Woodland, CA is 49 PPM (2.8 GPG) from City Of West Sacramento, classified as soft. The citywide weighted average is 191 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 12 matched water systems and 2 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 Woodland
These systems are matched to Woodland, CA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| City Of Davis CA5710001 | surface water | 251 PPM Very Hard | |
| City Of Woodland CA5710006 | surface water | 202 PPM Hard | |
| City Of West Sacramento CA5710003 | surface water | 49 PPM SoftUSGS estimate: 108 PPM | |
| Uc - Davis CA5710009 | surface water | 251 PPM Very Hard | |
| Wild Wings Golf Community CA5710011 | groundwater | 202 PPM Hard |
Zip Codes in Woodland, CA
What This Means For You
Use this city 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.
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 Woodland, CA.
Frequently Asked Questions
How hard is the water in Woodland, CA?
The citywide weighted average water hardness in Woodland, CA is 191 PPM (11.2 GPG), classified as hard. This is based on 12 matched water systems. The gauge highlights City Of West Sacramento, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Woodland, CA?
With a citywide average hardness of 191 PPM, a water softener is recommended for homes in Woodland. Confirm your tap reading before sizing equipment.
Is hard water in Woodland, 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 Woodland, CA?
Woodland, California is served by 12 matched water systems across 2 zip codes.
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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Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
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