Water Hardness in 19010
Bryn Mawr, Pennsylvania · Delaware County
Dataset updated March 9, 2026Matched to 25 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 25 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 19010
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 |
|---|---|---|---|
Aqua Pa Main System PA1460073 | surface water | 120 PPM Moderately HardUSGS estimate: 184 PPM | |
Chester Water Authority PA1230004 | surface water | 120 PPM Moderately HardUSGS estimate: 159 PPM | |
Aqua Pa Bensalem PA1090078 | surface water | 184 PPM Hard | |
Aqua Pa West Chester PA1150098 | surface water | 184 PPM Hard | |
Aqua Pa Uwchlan PA1150035 | surface water | 184 PPM Hard |
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.
Moderately Hard Water
Your water is moderately hard. You're likely seeing scale buildup on fixtures, spotty dishes, and may notice dry skin or hair. A water softener or conditioner can help.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | 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 Bryn Mawr, PA (19010).
Frequently Asked Questions
Is the water hard in Bryn Mawr, PA (19010)?
The average water hardness in 19010 is 131 PPM (7.7 GPG), which is classified as moderately hard.
Do I need a water softener in 19010?
With hardness of 131 PPM, a water softener is worth considering for homes in 19010.
Is hard water in 19010 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 19010?
Zip code 19010 in Bryn Mawr, Pennsylvania is served by 25 water systems.
Learn More About Your Water
Do You Need a Water Softener? (Based on Your Water Hardness)
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Salt-based softeners remove hardness minerals. Salt-free conditioners prevent scale but don't soften. Here's how to choose based on your water hardness level.
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We tested KDF, Vitamin C, and carbon shower filters for hard water. Here are the filters that actually reduce mineral buildup on hair and skin.
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