Water Hardness in 80013
Aurora, Colorado · Arapahoe County
Dataset updated March 9, 2026Matched to 17 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 17 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 80013
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 |
|---|---|---|---|
Aurora City Of CO0103005 | surface water | 90 PPM Slightly HardUSGS estimate: 102 PPM | |
East Cherry Creek Valley Wsd CO0103035 | surface water | 90 PPM Slightly HardUSGS estimate: 102 PPM | |
Englewood City Of CO0103045 | surface water | 90 PPM Slightly HardUSGS estimate: 156 PPM | |
Southgate Wsd CO0103721 | surface water | 90 PPM Slightly HardUSGS estimate: 108 PPM | |
Southwest Metropolitan Wsd CO0103723 | surface water | 90 PPM Slightly HardUSGS estimate: 108 PPM |
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 Aurora, CO (80013).
Frequently Asked Questions
Is the water hard in Aurora, CO (80013)?
The average water hardness in 80013 is 90 PPM (5.3 GPG), which is classified as slightly hard.
Do I need a water softener in 80013?
At 90 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 80013 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 80013?
Zip code 80013 in Aurora, Colorado is served by 17 water systems.
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