Water Hardness in Harrington, DE
Delaware · 1 zip codes · 11 matched water systems
City avg (weighted): 98 PPM
Dataset updated March 9, 202611 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
How this city reading is built
This city reading is a weighted rollup across 11 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 Harrington
These systems are matched to Harrington, 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 Harrington, DE
What This Means For You
Recommendations are based on the displayed 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 Harrington, DE.
Frequently Asked Questions
How hard is the water in Harrington, DE?
The citywide weighted average water hardness in Harrington, DE is 98 PPM (5.7 GPG), classified as slightly hard. This is based on 11 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 Harrington, DE?
At 98 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Harrington, 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 Harrington, DE?
Harrington, Delaware is served by 11 matched water systems across 1 zip code.
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