COUNTY REPORT NC

Warren County, North Carolina

8 ZIP codes · Avg score 61/100 · Grade C · Updated 2026-06-04

Within Warren County, 8 tracked ZIP codes reveal moderate water quality — national standards are generally met, with some documented exceptions.

How Warren County Compares

Warren County61/100
North Carolina avg73/100
National avg68/100

How Warren County Compares

C
County Grade
61/100
Avg Safety Score
8
ZIP Codes
9
Water Systems

Warren County scores 12 points below the North Carolina state average (73/100) and 7 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

C
County Grade
61
Avg Safety Score
8
ZIP Codes
Best ZIP: 27850 (83/100)
Lowest ZIP: 27844 (53/100)
$100K
Median Home Value
$1,113
Avg Remediation (112% of home value)

ZIP Code Risk Map

Water Quality Map: Warren County, North Carolina

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: 17.7 (asthma 12%, diabetes 19.9%)

Estimated additional annual cost per homeowner: $1,548, driven primarily by sea_level

Infrastructure: 0.38% avg pipe failure probability, 29% of ZIPs at high risk

60.1% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 12% (national: 8.9%)
Diabetes 19.9% (national: 10.5%)
Obesity 43.7% (national: 32.4%)

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

Infrastructure Overview

1985
Median Build Year
60.1%
Pre-1978 Housing
38%
Pipe Failure Probability
29%
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: $1,548

Sea Level Rise $1,125/yr
Energy Code Gap $281/yr
Water / Lead $106/yr

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

Housing Age Distribution

13,987 housing units in Warren County

Pre-1940 7%
1940–1959 10%
1960–1979 20%
1980–1999 42%
2000+ 21%

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 Warren County

$100K
Median Home Value
$1,113
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

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

Asthma 12% (US avg: 8.9%)
Diabetes 19.9% (US avg: 11%)
Obesity 43.7% (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 Warren County ranked by EPA violation count.

# Water System Population Violations
1 Warren County Water System 9,654 14
2 NORLINA, TOWN OF 1,108 13
3 Warrenton, Town of 2,250 13
4 LITTLETON, TOWN OF 1,540 1
5 Halifax Company--halifax 20,250 1

9 total water systems serve Warren County.

All ZIP Codes in Warren County

8 ZIP codes tracked in Warren County.

# ZIP Code City Safety Score Grade Violations Home Value
1 27850 Littleton 83 B 1 $178K
2 27589 Warrenton 72 B 1 $100K
3 27563 Norlina 71 B 12 (1 health) $87K
4 27553 Manson 53 D 0 $258K
5 27570 Ridgeway 53 D 0
6 27586 Vaughan 53 D 0
7 27594 Wise 53 D 0
8 27844 Hollister 53 D 0 $91K

Recommended Buyer Guides for Warren 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

Warren County in North Carolina covers 8 ZIP codes with an average Home Safety Score of C (61/100).

3 of 8 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.

← Back to North Carolina water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Warren County?
Warren County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Warren County?
Warren County is served by 9 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Warren County?
The primary environmental risk factor in Warren County is sea_level. This contributes to an estimated additional annual cost of $1,548 per homeowner.
How old are homes in Warren County?
The median home build year in Warren County is 1985. 60.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Warren County compare to North Carolina?
Warren County has an average water safety score of 61/100, which is below the North Carolina state average of 73/100.

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