Monongalia County, West Virginia
15 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-04
Water monitoring across Monongalia County's 15 ZIP codes paints a mid-range picture — solid compliance in some zones, documented concerns in others; most violations on record are concentrated in specific prior years rather than spread evenly across the full compliance history, and the overall county grade has held steady in the middle tier without major shifts in either direction.
How Monongalia County Compares
How Monongalia County Compares
Monongalia County scores 5 points below the West Virginia state average (64/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Monongalia County, West Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 11.6%, diabetes 10.8%)
Estimated additional annual cost per homeowner: $1,037, driven primarily by flood
Infrastructure: 0.518% avg pipe failure probability, 69% of ZIPs at high risk
69.3% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Monongalia County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 16 violations. Past 5 years: 19 total (19 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,037
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
49,191 housing units in Monongalia County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Monongalia County
Remediation costs are relatively manageable for most homeowners in Monongalia County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Monongalia County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Monongalia County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Morgantown Utility Board | 64,644 | 89 |
| 2 | Clinton Water Assoc - Route 119 | 5,733 | 89 |
| 3 | Clinton Water Assoc - Kingwood Pike | 3,100 | 89 |
| 4 | CLAY BATTELLE PSD | 3,858 | 41 |
| 5 | Paw Paw Route 19 Public Service District | 1,257 | 41 |
17 total water systems serve Monongalia County.
All ZIP Codes in Monongalia County
15 ZIP codes tracked in Monongalia County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 26502 | Morgantown | 69 | C | 8 (1 health) | — |
| 2 | 26504 | Morgantown | 69 | C | 8 (1 health) | — |
| 3 | 26506 | Morgantown | 69 | C | 8 (1 health) | — |
| 4 | 26501 | Morgantown | 64 | C | 8 (1 health) | $213K |
| 5 | 26507 | Morgantown | 64 | C | 8 (1 health) | — |
| 6 | 26508 | Morgantown | 64 | C | 8 (1 health) | $288K |
| 7 | 26588 | Rivesville | 63 | C | 28 (2 health) | $180K |
| 8 | 26541 | Maidsville | 61 | C | 5 (1 health) | $228K |
| 9 | 26505 | Morgantown | 59 | C | 8 (1 health) | $265K |
| 10 | 26527 | Cassville | 53 | D | 0 | — |
| 11 | 26531 | Dellslow | 53 | D | 0 | — |
| 12 | 26534 | Granville | 53 | D | 0 | $135K |
| 13 | 26544 | Pentress | 53 | D | 0 | — |
| 14 | 26546 | Pursglove | 53 | D | 0 | — |
| 15 | 26543 | Osage | 45 | D | 0 | — |
Recommended Buyer Guides for Monongalia County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 69.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Monongalia County, West Virginia
Overview
Monongalia County in West Virginia covers 15 ZIP codes with an average Home Safety Score of C (59/100).
9 of 15 ZIP codes have recorded EPA violations. 10 health-based violations have been documented.
← Back to West Virginia water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.