North Carolina Tap Water Quality Report
Water quality grades, lead levels, and violation data for all 1,085 ZIP codes in North Carolina
ZIP Codes
1,085
Health Violations (5yr)
2,075
Avg Safety Score
72.9/100
High Lead Risk ZIPs
32.8%
Overview: Drinking Water in North Carolina
The tap water quality in North Carolina currently sits near the national average, registering a composite safety score of 72.9/100 across 1,085 monitored ZIP codes. While a significant portion of the state maintains adequate water quality and full compliance with federal standards, 1% of ZIP codes in North Carolina have received a failing grade due to recent compliance issues. Monitoring data from the EPA indicates that while the majority of residents receive safe tap water, localized issues remain a challenge for several municipal systems.
The state's water infrastructure has experienced significant compliance hurdles recently, logging a staggering 2,075 health-based violations over the past 5-year monitoring window out of 12,821 total violations. When a state registers this volume of health-based violations, it often points to systemic challenges such as aging distribution networks, agricultural runoff affecting groundwater, or underfunded rural water systems. North Carolina Department of Environmental Quality is responsible for enforcing corrective actions and penalizing systems that repeatedly fail to meet safe drinking water standards.
One of the most pressing concerns for North Carolina residents is the elevated risk of lead exposure. EPA models and historical monitoring indicate that 32.8% of ZIP codes in North Carolina are classified as High or Very High risk for lead. This is frequently associated with older housing stock built before the 1986 federal ban on lead pipes and solder. Residents living in older homes should strongly consider having their tap water independently tested and utilizing a certified NSF/ANSI 53 water filter for drinking and cooking.
Surface Water
66.5%
of ZIP codes
Total Violations
12,821
5-year record
Grade A ZIPs
241
22% of state
Grade F ZIPs
11
1% of state
Water Quality Grade Distribution in North Carolina
How do North Carolina's 1,085 ZIP codes stack up by water quality grade?
Water Quality by City in North Carolina
Click any city to view ZIP code-level water quality reports
Charlotte
74 ZIPs
Raleigh
44 ZIPs
Greensboro
29 ZIPs
Winston Salem
25 ZIPs
Durham
16 ZIPs
Wilmington
12 ZIPs
Asheville
11 ZIPs
Fayetteville
10 ZIPs
High Point
7 ZIPs
Cary
5 ZIPs
Chapel Hill
5 ZIPs
Goldsboro
5 ZIPs
Rocky Mount
5 ZIPs
Greenville
5 ZIPs
Gastonia
5 ZIPs
New Bern
5 ZIPs
Rural Hall
4 ZIPs
Burlington
4 ZIPs
Lexington
4 ZIPs
Wilson
4 ZIPs
Salisbury
4 ZIPs
Kinston
4 ZIPs
Hendersonville
4 ZIPs
Asheboro
3 ZIPs
Reidsville
3 ZIPs
Sanford
3 ZIPs
Apex
3 ZIPs
Clayton
3 ZIPs
Elizabeth City
3 ZIPs
Concord
3 ZIPs
Kannapolis
3 ZIPs
Matthews
3 ZIPs
Monroe
3 ZIPs
Shelby
3 ZIPs
Lumberton
3 ZIPs
Jacksonville
3 ZIPs
Hickory
3 ZIPs
Statesville
3 ZIPs
Kernersville
2 ZIPs
Eden
2 ZIPs
๐ Highest Rated ZIP Codes in North Carolina
โ Lowest Rated ZIP Codes in North Carolina
Common Drinking Water Contaminants in North Carolina
The following are common regulated contaminants found in North Carolina drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.
Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.
Frequently Asked Questions โ North Carolina Drinking Water
Is tap water generally safe to drink in North Carolina?+
What are the biggest water quality issues in North Carolina?+
Who regulates and enforces drinking water standards in North Carolina?+
Where does North Carolina get its drinking water?+
How do I find the official water quality report for my home in North Carolina?+
View All 1,085 ZIP Codes in North Carolina
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