Fauquier County, Virginia
4 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-06-03
Across all 4 ZIP codes in Fauquier County, tap water consistently meets or exceeds federal safety standards.
How Fauquier County Compares
How Fauquier County Compares
Fauquier County scores 11 points above the Virginia state average (66/100) and 9 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 12.1 (asthma 10.1%, diabetes 11.6%)
Estimated additional annual cost per homeowner: $2,040, driven primarily by sea_level
Infrastructure: 0.263% avg pipe failure probability
49% of homes built before 1978 (lead paint era)
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: $2,040
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
14,049 housing units in Fauquier 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 Fauquier County
Remediation costs are relatively manageable for most homeowners in Fauquier 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 Fauquier 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 Fauquier County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Warrenton, Town of | 11,801 | 0 |
| 2 | New Baltimore Regional | 8,818 | 0 |
| 3 | Bealeton Regional | 4,250 | 0 |
| 4 | Marshall Waterworks | 1,728 | 0 |
| 5 | Meadows, the | 733 | 0 |
7 total water systems serve Fauquier County.
All ZIP Codes in Fauquier County
4 ZIP codes tracked in Fauquier County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 20186 | Warrenton | 83 | B | 0 | $485K |
| 2 | 20187 | Warrenton | 83 | B | 0 | $602K |
| 3 | 20188 | Warrenton | 83 | B | 0 | — |
| 4 | 22734 | Remington | 58 | C | 0 | $361K |
Recommended Buyer Guides for Fauquier County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Overview
Fauquier County in Virginia covers 4 ZIP codes with an average Home Safety Score of B (77/100).
No EPA violations recorded across any tracked ZIP codes in Fauquier County.
← Back to 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.