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Water Hardness in 25414

Charles Town, West Virginia · Jefferson County

253 PPM
14.8 GPG
Very Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 5 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 5 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.

Source basis
4 USGS-backed sources
5 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. 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 Serving 25414

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.

5 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.
Charles Town Utilities
WV3301905
Moderately Hard
148 PPMsurface water15,220 servedHigh Confidence — USGS Monitoring
Wvaw - Walnut Grove Utilities
WV3301942
Very Hard
467 PPMsurface water7,250 servedEstimated — Nearby Data
Charles Town Utl-Glen Haven Utilities
WV3301909
Very Hard
344 PPMgroundwater195 servedHigh Confidence — USGS Monitoring
Charles Town Utl-Cavaland Subdivision
WV3301972
Very Hard
344 PPMgroundwater107 servedHigh Confidence — USGS Monitoring
Potomac Farms Water Co
WV3301947
Very Hard
344 PPMgroundwater65 servedHigh Confidence — USGS Monitoring

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.

Very Hard Water - Treatment Strongly Recommended

Your water is very hard. Without treatment, you can expect significant scale buildup in pipes and appliances, higher energy bills from reduced water heater efficiency, and persistent issues with skin and hair dryness.

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 Charles Town, WV (25414).

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Frequently Asked Questions

Is the water hard in Charles Town, WV (25414)?

The average water hardness in 25414 is 253 PPM (14.8 GPG), which is classified as very hard.

Do I need a water softener in 25414?

With hardness of 253 PPM, a water softener is recommended for homes in 25414.

Is hard water in 25414 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 25414?

Zip code 25414 in Charles Town, West Virginia is served by 5 water systems.

Learn More About Your Water