Water Hardness in 17361
Shrewsbury, Pennsylvania · York County
Dataset updated March 9, 2026Matched to 8 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 8 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 17361
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 |
|---|---|---|---|
| York Water Co PA7670100 | surface water | 100 PPM Slightly HardUSGS estimate: 120 PPM | |
| Hanover Muni Water Works PA7670076 | surface water | 100 PPM Slightly HardUSGS estimate: 229 PPM | |
| Dover Twp Water Sys PA7670073 | surface water | 100 PPM Slightly HardUSGS estimate: 120 PPM | |
| Red Lion Municipal Authority PA7670086 | surface water | 100 PPM Slightly HardUSGS estimate: 111 PPM | |
| Dallastown Yoe Water Auth PA7670085 | surface water | 100 PPM Slightly HardUSGS estimate: 120 PPM |
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 Shrewsbury, PA (17361).
Frequently Asked Questions
Is the water hard in Shrewsbury, PA (17361)?
The average water hardness in 17361 is 100 PPM (5.8 GPG), which is classified as slightly hard.
Do I need a water softener in 17361?
At 100 PPM, your water is relatively soft. A water softener is generally not necessary.
Is hard water in 17361 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 17361?
Zip code 17361 in Shrewsbury, Pennsylvania is served by 8 water systems.
Learn More About Your Water
How to Test Water Hardness at Home
Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
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