Norfolk County, Virginia
22 ZIP codes · Avg score 89/100 · Grade A · Updated 2026-06-03
Throughout Norfolk County, the 22 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Norfolk County Compares
How Norfolk County Compares
Norfolk County scores 23 points above the Virginia state average (66/100) and 21 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Norfolk County, Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.9 (asthma 11.1%, diabetes 12.7%)
Estimated additional annual cost per homeowner: $5,052, driven primarily by sea_level
Infrastructure: 0.366% avg pipe failure probability, 41% of ZIPs at high risk
78.2% 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: $5,052
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
101,710 housing units in Norfolk 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 Norfolk County
Remediation costs are relatively manageable for most homeowners in Norfolk 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 Norfolk 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 Norfolk County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Norfolk, | 234,220 | 22 |
| 2 | Naval Station Norfolk | 48,826 | 22 |
| 3 | Nsa Hampton Roads, Main Base | 7,533 | 22 |
| 4 | Nsa Hampton Roads, Portsmouth Annex | 6,072 | 22 |
| 5 | Naval Support Activity-nw | 1,400 | 22 |
6 total water systems serve Norfolk County.
All ZIP Codes in Norfolk County
22 ZIP codes tracked in Norfolk County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 23506 | Norfolk | 99 | A | 1 | — |
| 2 | 23511 | Norfolk | 99 | A | 1 | — |
| 3 | 23512 | Norfolk | 99 | A | 1 | — |
| 4 | 23519 | Norfolk | 99 | A | 1 | — |
| 5 | 23521 | Norfolk | 99 | A | 1 | — |
| 6 | 23529 | Norfolk | 99 | A | 1 | — |
| 7 | 23541 | Norfolk | 99 | A | 1 | — |
| 8 | 23551 | Norfolk | 99 | A | 1 | — |
| 9 | 23514 | Norfolk | 95 | A | 1 | — |
| 10 | 23520 | Norfolk | 95 | A | 1 | — |
| 11 | 23517 | Norfolk | 90 | A | 1 | $356K |
| 12 | 23513 | Norfolk | 85 | A | 1 | $227K |
| 13 | 23523 | Norfolk | 85 | A | 1 | $222K |
| 14 | 23502 | Norfolk | 80 | B | 1 | $245K |
| 15 | 23504 | Norfolk | 80 | B | 1 | $260K |
| 16 | 23505 | Norfolk | 80 | B | 1 | $319K |
| 17 | 23507 | Norfolk | 80 | B | 1 | $561K |
| 18 | 23509 | Norfolk | 80 | B | 1 | $239K |
| 19 | 23510 | Norfolk | 80 | B | 1 | $350K |
| 20 | 23518 | Norfolk | 80 | B | 1 | $280K |
| 21 | 23503 | Norfolk | 75 | B | 1 | $273K |
| 22 | 23508 | Norfolk | 75 | B | 1 | $385K |
Recommended Buyer Guides for Norfolk County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 78.2% of homes built before 1978
Deep Dive Reports
Detailed analysis for Norfolk County, Virginia
Overview
Norfolk County in Virginia covers 22 ZIP codes with an average Home Safety Score of A (89/100).
22 of 22 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.