City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Martinsburg, West Virginia.
Median indexed hardness
93PPM
4 indexed ZIPs
Range 85.5–103.5 PPM
City summary
Martinsburg has 4 published ZIP profiles across Berkeley County. The indexed median is 93 PPM, compared with 141 PPM across West Virginia.
Among the 179 West Virginiacities with an indexed median, Martinsburg ranks #178from highest to lowest. Across all 219 state ZIP profiles, available estimates run from 85.5to 265 PPM.
The 85.5–103.5 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
4 of 4 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Jan 7, 2016 to Jun 30, 2026.
ZIP directory
Open a ZIP for site-level provenance and measurements.
ZIP code
97.3 PPM
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ZIP code
88.8 PPM
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ZIP code
85.5 PPM
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ZIP code
103.5 PPM
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Public water systems
PWSID WV3300218
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID WV3300212
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID WV3300227
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID WV3300231
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID WV3300230
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID WV3300236
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID WV3300238
The system names this served city; Census place overlap links the city to this 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 |
|---|---|---|---|
| Public Notice | WV3300231 | Nov 15, 2025 | Unaddressed |
| Public Notice | WV3300231 | Nov 14, 2025 | Unaddressed |
| Consumer Confidence Rule | WV3300218 | Oct 1, 2025 | Unaddressed |
| Consumer Confidence Rule | WV3300212 | Oct 1, 2025 | Unaddressed |
| Lead and Copper Rule | WV3300212 | Oct 1, 2025 | Unaddressed |
| Lead and Copper Rule | WV3300238 | Sep 29, 2025 | Unaddressed |
| Interim Enhanced Surface Water Treatment Rule | WV3300212 | Sep 1, 2025 | Archived |
| Consumer Confidence Rule | WV3300218 | Jul 1, 2025 | Unaddressed |
| Consumer Confidence Rule | WV3300236 | Jul 1, 2025 | Unaddressed |
| Surface Water Treatment Rule | WV3300227 | Jun 1, 2025 | Archived |
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.