Manassas Park County, Virginia
1 ZIP code · Avg score 65/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for Manassas Park: C.
A mixed picture - some signals here are worth your attention.
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: 2026-07-19
Key Risk Factors
Health risk index: 12.2 (asthma 9.8%, diabetes 13.8%)
Estimated additional annual cost per homeowner: $1,730, driven primarily by sea_level
Infrastructure: 0.42% avg pipe failure probability, 100% of ZIPs at high risk
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: $1,730
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 serving Manassas Park County
3 community water systems serving Manassas Park County.
- C
- C
- C
Systems with the most violations in Manassas Park County
1 water system with recorded EPA violations.
- C
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.