City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Bethlehem, Pennsylvania.
Median indexed hardness
93PPM
2 indexed ZIPs
Range 91.1–94.1 PPM
City summary
Bethlehem has 2 published ZIP profiles across Northampton County. The indexed median is 93 PPM, compared with 84 PPM across Pennsylvania.
Among the 50 Pennsylvaniacities with an indexed median, Bethlehem ranks #29from highest to lowest. Across all 139 state ZIP profiles, available estimates run from 43to 166.5 PPM.
The 91.1–94.1 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Jan 6, 2016 to Jun 10, 2026.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID PA3480046
A municipal system, in-state city, and served county all agree with this Census ZCTA.
Compliance history
No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Surface Water Treatment Rule | PA3480046 | Aug 1, 2025 | Resolved |
| TTHM | PA3480046 | Apr 1, 2022 | Resolved |
| Total Haloacetic Acids (HAA5) | PA3480046 | Apr 1, 2022 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 93 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.