COUNTY REPORT VA

Northumberland County, Virginia

13 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-06-03

Although county size varies, Northumberland County's 13 ZIP codes share reliably safe tap water records and above-average compliance scores.

How Northumberland County Compares

Northumberland County77/100
Virginia avg66/100
National avg68/100

How Northumberland County Compares

B
County Grade
77/100
Avg Safety Score
13
ZIP Codes
14
Water Systems

Northumberland County scores 11 points above the Virginia state average (66/100) and 9 points above the national average (68/100).

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

B
County Grade
77
Avg Safety Score
13
ZIP Codes
Best ZIP: 22403 (95/100)
Lowest ZIP: 22511 (60/100)
$348K
Median Home Value
$1,433
Avg Remediation (41% of home value)

ZIP Code Risk Map

Water Quality Map: Northumberland 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: 15.8 (asthma 10.8%, diabetes 17.1%)

Estimated additional annual cost per homeowner: $3,988, driven primarily by sea_level

Infrastructure: 0.333% avg pipe failure probability

56.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 17.1% (national: 10.5%)
Obesity 37.2% (national: 32.4%)

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

Infrastructure Overview

1980
Median Build Year
56.5%
Pre-1978 Housing
33%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
Low
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: $3,988

Sea Level Rise $2,885/yr
Flood $785/yr
Energy Code Gap $249/yr

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

Housing Age Distribution

12,726 housing units in Northumberland County

Pre-1940 11%
1940–1959 12%
1960–1979 20%
1980–1999 29%
2000+ 29%

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 Northumberland County

$348K
Median Home Value
$1,433
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.8% (US avg: 8.9%)
Diabetes 17.1% (US avg: 11%)
Obesity 37.2% (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 Northumberland County ranked by EPA violation count.

# Water System Population Violations
1 FLEETON 69 7
2 Reedville Manor 28 7
3 Towles Landing 68 7
4 Lee Dale Shores 34 7
5 NORTHUMBERLAND PLANTATION 100 4

14 total water systems serve Northumberland County.

All ZIP Codes in Northumberland County

13 ZIP codes tracked in Northumberland County.

# ZIP Code City Safety Score Grade Violations Home Value
1 22403 Fredericksburg 95 A 0
2 22435 Callao 89 A 1 $202K
3 22539 Reedville 89 A 7 (1 health) $412K
4 22473 Heathsville 87 A 4 $260K
5 22579 Wicomico Church 85 A 7
6 22482 Kilmarnock 78 B 3 $348K
7 22432 Burgess 73 B 0
8 22456 Edwardsville 73 B 0
9 22577 Sandy Point 73 B 0
10 22530 Ophelia 66 C 0
11 22469 Hague 65 C 0 $244K
12 22488 Kinsale 65 C 0 $517K
13 22511 Lottsburg 60 C 0 $411K

Recommended Buyer Guides for Northumberland County

If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.

Overview

Northumberland County in Virginia covers 13 ZIP codes with an average Home Safety Score of B (77/100).

5 of 13 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.

← Back to Virginia water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Northumberland County?
Northumberland County receives a grade of B, indicating generally safe tap water across its 13 ZIP codes.
How many water systems serve Northumberland County?
Northumberland County is served by 14 public water systems that supply drinking water to residents across 13 ZIP codes.
What is the biggest environmental risk in Northumberland County?
The primary environmental risk factor in Northumberland County is sea_level. This contributes to an estimated additional annual cost of $3,988 per homeowner.
How old are homes in Northumberland County?
The median home build year in Northumberland County is 1980. 56.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Northumberland County compare to Virginia?
Northumberland County has an average water safety score of 77/100, which is above the Virginia state average of 66/100.

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