Nitrate In Drinking Water In West Virginia
What residents of West Virginia need to know about nitrate in drinking water — including how it enters water, which utilities have documented violations, and what steps to take.
Source: EPA SDWIS, West Virginia Bureau for Public Health (WVBPH), CDC · Last reviewed: 2025-01-01
Quick Answer
Is nitrate in drinking water a real concern in West Virginia?
Moderate — West Virginia has less intensive agriculture than Midwest states. The primary nitrate concern is septic systems near private wells in rural communities, and poultry operations in the Eastern Panhandle.
Is this mostly a public-water issue, a private-well issue, or both?
Primarily private well users in rural communities with older septic systems and in the Eastern Panhandle agricultural area; public water systems are monitored by WVBPH.
What is the main reason residents should care?
West Virginia's rural character means many households rely on private wells and septic systems. Failing or improperly sited septic systems are the primary nitrate pathway in most of the state, with Eastern Panhandle poultry operations as an additional agricultural source.
Key Facts
| EPA Nitrate MCL | 10 mg/L as N |
| Eastern Panhandle | Berkeley and Jefferson Counties have poultry, cattle, and grain farming — agricultural nitrate source |
| Primary source | Septic system effluent near private wells in rural WV communities |
| Relative risk | Lower agricultural intensity than Midwest — but septic-related nitrate is a meaningful concern statewide |
| State oversight | West Virginia Bureau for Public Health (WVBPH) |
Why This Matters in West Virginia
West Virginia's geography — largely mountainous and forested — means less intensive agriculture than neighboring states. However, the Eastern Panhandle (Berkeley, Jefferson, Morgan Counties) is agriculturally active, with poultry, cattle, and grain operations contributing nitrate loading. Rural West Virginia communities with private wells and older septic systems face septic-derived nitrate risk independent of agricultural activity. The state's documented water system challenges — highlighted by infrastructure failures and the 2014 Elk River spill — underscore the importance of understanding water quality at the household level. WVBPH monitors public systems for nitrate compliance and provides guidance on private well testing.
Critical — Infants Under 6 Months
Do not use tap water that exceeds 10 mg/L nitrate-nitrogen to prepare infant formula or feed infants under six months. Boiling will concentrate nitrate — do not boil. Use bottled water or a certified reverse osmosis system (NSF/ANSI 58) until the issue is resolved.
West Virginia Utilities With Nitrate Violation Records
The utilities listed below have at least one nitrate violation on record in EPA's SDWIS database. Violations may be open or resolved — see individual utility pages for current status and risk level.
Morgantown Utility Board
Morgantown · 64,644 served
Beckley Water Company
Beckley · 47,386 served
Berkeley County Pswd-potomac River
Martinsburg · 34,786 served
Berkeley Co P S W D-bunker Hill
Baker Heights,Inwood · 34,586 served
Parkersburg Utility Board
Parkersburg · 34,251 served
City of Fairmont
Fairmont · 30,586 served
Wheeling
Wheeling · 29,899 served
Weirton Area Water Board
Weirton · 18,633 served
Clarksburg Water Board
Clarksburg · 18,340 served
Logan County Psd - Northern Regional
Henlawson,Logan · 16,921 served
How Nitrate Gets Into Drinking Water
Agricultural fertilizer and manure runoff
Nitrogen-based fertilizers and animal waste applied to West Virginia cropland can leach into groundwater or run off into surface water supplies. This is the dominant nitrate pathway in most agricultural regions.
Septic system effluent
Failing or poorly sited septic systems release nitrogen-rich wastewater near drinking water wells. Rural areas with high well density and aging septic infrastructure face elevated risk.
Concentrated animal feeding operations (CAFOs)
Large livestock facilities generate significant waste. Lagoon leaks and overapplication of manure to nearby fields can create localized nitrate hotspots in groundwater.
Natural geological deposits
In some regions, naturally occurring nitrogen compounds in soil and bedrock contribute background nitrate levels to groundwater independent of agricultural activity.
Who Should Pay Closest Attention
Private well users throughout rural West Virginia — particularly in the Eastern Panhandle agricultural area and in communities with older septic infrastructure — should test for nitrate annually. Households with infants should confirm nitrate levels before formula preparation.
Households with infants under six months
Pregnant residents
Private well owners in agricultural areas
Households near livestock operations or CAFOs
Rural residents on shallow groundwater wells
Households with older or failing septic systems nearby
How to Check Your Situation in West Virginia
- 1
Identify your water utility. Use the ZIP lookup below or browse the West Virginia utility directory on this site.
- 2
Read your utility's page on this site to see its current risk level and any open nitrate violations.
- 3
Review your utility's most recent Consumer Confidence Report (CCR) — mailed annually or available on the utility's website. It must disclose any MCL exceedances.
- 4
If you are on a private well, arrange testing at a West Virginia Bureau for Public Health (WVBPH)-certified lab. Your state health department maintains a list of certified labs. Annual testing is recommended in agricultural areas.
- 5
If you have an infant under six months, use bottled water or a certified RO system (NSF/ANSI 58) immediately as a precautionary measure — do not wait for test results if you are in a high-risk area.
- 6
If your utility issues a nitrate exceedance notice, follow their guidance and do not use tap water for infants until the issue is resolved.
Treatment Options
Carbon filters and boiling do not remove nitrate. Only the options below are effective.
NSF/ANSI Standard 58 — Reverse Osmosis
RO systems certified to NSF/ANSI 58 reduce nitrate by 85–95% at the point of use. Under-sink installation required. The most practical residential option for nitrate concerns.
Distillation
Distillation units effectively remove nitrate along with most other dissolved contaminants. Suitable for drinking and cooking water — not whole-house use.
Anion Exchange
Ion exchange systems designed for nitrate removal exchange nitrate ions for chloride on a resin bed. Effective as a point-of-entry system; requires periodic regeneration and monitoring.
Carbon filters do NOT remove nitrate
Standard pitcher filters, faucet filters, and under-sink carbon units — including those certified NSF/ANSI 42 or 53 — do not remove nitrate. Do not use these for nitrate reduction.
Frequently Asked Questions
Related Pages
Nitrate — National Overview
All U.S. utilities with nitrate records
West Virginia State Overview
All utilities and water quality data
Lead in Drinking Water
A separate but common concern
Reverse Osmosis Guide
Removes 85–95% of nitrate
Well Water Guide
Private well testing and safety
All Contaminants
Complete reference library
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
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West Virginia Bureau for Public Health (WVBPH) ↗