Montgomery County, Virginia
14 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-03
Safe water is the norm for most of Montgomery County's 14 ZIP codes — but a notable subset have documented violations that push the grade to the middle tier.
How Montgomery County Compares
How Montgomery County Compares
Montgomery County scores 11 points below the Virginia state average (66/100) and 13 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Montgomery County, Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.2 (asthma 10.6%, diabetes 11.1%)
Estimated additional annual cost per homeowner: $793, driven primarily by flood
Infrastructure: 0.325% avg pipe failure probability, 10% of ZIPs at high risk
59.9% 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: $793
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
20,155 housing units in Montgomery 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 Montgomery County
Remediation costs are relatively manageable for most homeowners in Montgomery 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 Montgomery 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 Montgomery County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Christiansburg Town of | 22,000 | 8 |
| 2 | Prices Fork/merrimac | 4,541 | 8 |
| 3 | Christiansburg Elliston Waterline | 3,626 | 8 |
| 4 | Plum Creek | 1,740 | 8 |
| 5 | Bethel Area | 1,247 | 8 |
10 total water systems serve Montgomery County.
All ZIP Codes in Montgomery County
14 ZIP codes tracked in Montgomery County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 24061 | Blacksburg | 70 | B | 0 | — |
| 2 | 24068 | Christiansburg | 68 | C | 4 | — |
| 3 | 24062 | Blacksburg | 66 | C | 0 | — |
| 4 | 24063 | Blacksburg | 66 | C | 0 | — |
| 5 | 24073 | Christiansburg | 63 | C | 4 | $247K |
| 6 | 24058 | Belspring | 53 | D | 0 | $170K |
| 7 | 24072 | Check | 53 | D | 0 | $221K |
| 8 | 24111 | Mc Coy | 53 | D | 0 | — |
| 9 | 24132 | Parrott | 53 | D | 0 | $130K |
| 10 | 24138 | Pilot | 53 | D | 0 | $226K |
| 11 | 24087 | Elliston | 45 | D | 0 | $141K |
| 12 | 24149 | Riner | 45 | D | 0 | $190K |
| 13 | 24129 | New River | 40 | D | 0 | — |
| 14 | 24162 | Shawsville | 40 | D | 0 | $151K |
Recommended Buyer Guides for Montgomery County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 59.9% of homes built before 1978
- 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 Montgomery County, Virginia
Overview
Montgomery County in Virginia covers 14 ZIP codes with an average Home Safety Score of C (55/100).
2 of 14 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.