COUNTY REPORT VA

Chesapeake County, Virginia

9 ZIP codes · Avg score 87/100 · Grade A · Updated 2026-06-03

Spanning 9 ZIP codes, Chesapeake County posts strong drinking water compliance — most systems have never triggered a health-based notice.

How Chesapeake County Compares

Chesapeake County87/100
Virginia avg66/100
National avg68/100

How Chesapeake County Compares

A
County Grade
87/100
Avg Safety Score
9
ZIP Codes
11
Water Systems

Chesapeake County scores 21 points above the Virginia state average (66/100) and 19 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

A
County Grade
87
Avg Safety Score
9
ZIP Codes
Best ZIP: 23326 (99/100)
Lowest ZIP: 23320 (75/100)
$338K
Median Home Value
$1,200
Avg Remediation (36% of home value)

ZIP Code Risk Map

Water Quality Map: Chesapeake County, Virginia

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 12.8 (asthma 11%, diabetes 12.8%)

Estimated additional annual cost per homeowner: $4,984, driven primarily by sea_level

Infrastructure: 0.316% avg pipe failure probability, 11% of ZIPs at high risk

50.2% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 11% (national: 8.9%)
Diabetes 12.8% (national: 10.5%)
Obesity 40.1% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1982
Median Build Year
50.2%
Pre-1978 Housing
32%
Pipe Failure Probability
11%
ZIPs at High Infra Risk
Moderate
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $4,984

Sea Level Rise $3,000/yr
Flood $1,711/yr
Energy Code Gap $240/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

95,192 housing units in Chesapeake County

Pre-1940 2%
1940–1959 8%
1960–1979 23%
1980–1999 40%
2000+ 27%

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 Chesapeake County

$338K
Median Home Value
$1,200
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Chesapeake 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 Chesapeake County residents

Asthma 11% (US avg: 8.9%)
Diabetes 12.8% (US avg: 11%)
Obesity 40.1% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Chesapeake County ranked by EPA violation count.

# Water System Population Violations
1 City of Chesapeake - Northwest River Sys 165,240 0
2 City of Virginia Beach, 437,994 0
3 City of Chesapeake - Western Branch Sys 32,326 0
4 Kiptopeke Inn 159 0
5 Kingsdale - Moseley 64 0

11 total water systems serve Chesapeake County.

All ZIP Codes in Chesapeake County

9 ZIP codes tracked in Chesapeake County.

# ZIP Code City Safety Score Grade Violations Home Value
1 23326 Chesapeake 99 A 0
2 23327 Chesapeake 99 A 0
3 23328 Chesapeake 99 A 0
4 23321 Chesapeake 85 A 0 $352K
5 23324 Chesapeake 85 A 0 $242K
6 23325 Chesapeake 85 A 0 $263K
7 23322 Chesapeake 80 B 0 $448K
8 23323 Chesapeake 80 B 0 $361K
9 23320 Chesapeake 75 B 0 $324K

Recommended Buyer Guides for Chesapeake County

Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

Chesapeake County in Virginia covers 9 ZIP codes with an average Home Safety Score of A (87/100).

No EPA violations recorded across any tracked ZIP codes in Chesapeake County.

← Back to Virginia water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Chesapeake County?
Chesapeake County receives a grade of A, indicating generally safe tap water across its 9 ZIP codes.
How many water systems serve Chesapeake County?
Chesapeake County is served by 11 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Chesapeake County?
The primary environmental risk factor in Chesapeake County is sea_level. This contributes to an estimated additional annual cost of $4,984 per homeowner.
How old are homes in Chesapeake County?
The median home build year in Chesapeake County is 1982. 50.2% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Chesapeake County compare to Virginia?
Chesapeake County has an average water safety score of 87/100, which is above the Virginia state average of 66/100.

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