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City water profile

Oak Hill water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Oak Hill, West Virginia.

Median indexed hardness

129PPM

2 indexed ZIPs

Range 128.5–128.5 PPM

State comparison
12 PPM below
State hardness rank
#132 of 179
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Oak Hill has 2 published ZIP profiles across Fayette County. The indexed median is 129 PPM, compared with 141 PPM across West Virginia.

Among the 179 West Virginiacities with an indexed median, Oak Hill ranks #132from highest to lowest. Across all 219 state ZIP profiles, available estimates run from 85.5to 265 PPM.

The 128.5–128.5 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard2 ZIPs
Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
7.1 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Aug 13, 2020 to Oct 28, 2024.

ZIP directory

Water reports in Oak Hill

Open a ZIP for site-level provenance and measurements.

ZIP code

25879

Hard

128.5 PPM

Nearest site
4.2 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

25901

Hard

128.5 PPM

Nearest site
7.1 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Wvawc New River Regional Wtr Trtmt Plt

PWSID WV3301046

Surface water
System population served
25,603
Last reported
May 19, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

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.

No violation records are included in the current lookback window.

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Oak Hill

Is the water hard?

The indexed city median is 129 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.