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Water Hardness in Magnolia, DE

Delaware · 1 zip codes · 10 matched water systems

100 PPM
5.8 GPG
Slightly Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 100 PPM

Dataset updated March 9, 202610 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Dover Water Department
DE0000571
Water source: groundwater
Serves: 39,491
USGS environmental estimate: 129 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 10 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 verified treated-water sources
10 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 Magnolia

These systems are matched to Magnolia, DE. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

10 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Dover Water Department
DE0000571
Slightly Hard
100 PPMgroundwater39,491 servedVerified — Annual Water Quality Report
Source water: 129 PPM
Camden Pump District
DE0000124
Slightly Hard
100 PPMgroundwater17,208 servedVerified — Annual Water Quality Report
Source water: 129 PPM
Garrison Lake Pump District
DE0000004
Slightly Hard
100 PPMgroundwater13,467 servedVerified — Annual Water Quality Report
Source water: 129 PPM
Smyrna Water Department
DE0000657
Slightly Hard
100 PPMgroundwater11,813 servedVerified — Annual Water Quality Report
Source water: 129 PPM
Dover Air Force Base
DE0000579
Slightly Hard
100 PPMgroundwater11,000 servedVerified — Annual Water Quality Report
Source water: 129 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Magnolia, 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 Magnolia, DE.

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Frequently Asked Questions

How hard is the water in Magnolia, DE?

The citywide weighted average water hardness in Magnolia, DE is 100 PPM (5.9 GPG), classified as slightly hard. This is based on 10 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 Magnolia, DE?

At 100 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Magnolia, 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 Magnolia, DE?

Magnolia, Delaware is served by 10 matched water systems across 1 zip code.

Learn More About Your Water