Manassas Park County, Virginia
1 ZIP code · Avg score 65/100 · Grade C · Updated 2026-06-04
Manassas Park County's water quality grade reflects a middle-ground assessment — its 1 ZIP code range from fully compliant to violation-flagged.
How Manassas Park County Compares
How Manassas Park County Compares
Manassas Park County scores 1 points below the Virginia state average (66/100) and 3 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 12.2 (asthma 9.8%, diabetes 13.8%)
Estimated additional annual cost per homeowner: $1,580, driven primarily by sea_level
Infrastructure: 0.34% avg pipe failure probability
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: $1,580
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Health Outcomes vs National Average
CDC PLACES data for Manassas Park County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Manassas Park County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Manassas, | 42,696 | 2 |
| 2 | Baileys Mobile Home Park | 84 | 2 |
| 3 | Rolling Brook Mobile Home Park | 54 | 2 |
All ZIP Codes in Manassas Park County
1 ZIP code tracked in Manassas Park County.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 20113 | Manassas | 65 | C | 2 |
Recommended Buyer Guides for Manassas Park 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 Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Overview
Manassas Park County in Virginia covers 1 ZIP code with an average Home Safety Score of C (65/100).
1 of 1 ZIP code 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)
Updated daily.