Water Hardness in 68028
Gretna, Nebraska · Sarpy County
Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 6 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 68028
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 |
|---|---|---|---|
| Papillion, City Of NE3115313 | groundwater | 140 PPM Moderately HardUSGS estimate: 255 PPM | |
| Gretna, City Of NE3115303 | groundwater | 257 PPM Very Hard | |
| Sarpy Co Sid 158 - Tiburon Golf Course NE3120787 | groundwater | 217 PPM Hard | |
| Sarpy Co Sid 81 - Fairview Heights NE3115309 | groundwater | 257 PPM Very Hard | |
| Sarpy Co Sid 34 - Sarpy Heights NE3110920 | groundwater | 257 PPM Very Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP 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 Gretna, NE (68028).
Frequently Asked Questions
Is the water hard in Gretna, NE (68028)?
The average water hardness in 68028 is 166 PPM (9.7 GPG), which is classified as moderately hard.
Do I need a water softener in 68028?
With hardness of 166 PPM, a water softener is worth considering for homes in 68028.
Is hard water in 68028 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 68028?
Zip code 68028 in Gretna, Nebraska is served by 6 water systems.
Learn More About Your Water
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