Water Hardness in Smyrna, DE
Delaware · 1 zip codes · 13 matched water systems
City avg (weighted): 101 PPM
Dataset updated March 9, 202613 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Smyrna, DE Water Hard or Soft?
The displayed hardness for Smyrna, DE is 100 PPM (5.8 GPG) from Dover Water Department, classified as slightly hard. The citywide weighted average is 101 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 13 matched water systems and 1 ZIP code. 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 Smyrna
These systems are matched to Smyrna, DE. 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 |
|---|---|---|---|
| Dover Water Department DE0000571 | groundwater | 100 PPM Slightly HardUSGS estimate: 129 PPM | |
| Camden Pump District DE0000124 | groundwater | 100 PPM Slightly HardUSGS estimate: 129 PPM | |
| Garrison Lake Pump District DE0000004 | groundwater | 100 PPM Slightly HardUSGS estimate: 129 PPM | |
| Smyrna Water Department DE0000657 | groundwater | 100 PPM Slightly HardUSGS estimate: 129 PPM | |
| Dover Air Force Base DE0000579 | groundwater | 100 PPM Slightly HardUSGS estimate: 129 PPM |
Zip Codes in Smyrna, DE
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 Smyrna, DE.
Frequently Asked Questions
How hard is the water in Smyrna, DE?
The citywide weighted average water hardness in Smyrna, DE is 101 PPM (5.9 GPG), classified as slightly hard. This is based on 13 matched water systems. The gauge highlights Dover Water Department, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Smyrna, DE?
At 101 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Smyrna, DE 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 Smyrna, DE?
Smyrna, Delaware is served by 13 matched water systems across 1 zip code.
Learn More About Your Water
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