STATE REPORT NC 3 ALERTS 113 HEALTH VIOLATIONS

North Carolina Water Quality & Safety Report

48 ZIP codes · 181 water systems · IPC plumbing code · Updated 2026-03-16

Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-03-16

48
ZIP Codes
181
Water Systems
40
ZIPs with Violations
3
Active Alerts
IPC
Plumbing Code

Overview

We track water quality, weather alerts, plumbing regulations, and energy rebates for 48 ZIP codes across North Carolina, covering 181 community water systems that serve approximately 5,167,483 people.

40 of 48 ZIP codes (83%) have recorded EPA violations. 113 health-based violations have been documented.

Active Weather Alerts

3 active alerts in North Carolina including 1 warning. Severe weather can directly affect tap water quality — flooding, power outages, and infrastructure damage may lead to boil-water advisories.

AlertSeverityAreas
Severe Thunderstorm WarningSevereCherokee, NC; Blount, TN; McMinn, TN; Monroe, TN; Polk, TN
Freeze WatchSevereRobeson; Bladen; Columbus; Inland Pender; Inland New Hano…
Freeze WatchSevereCoastal Pender; Coastal New Hanover; Coastal Brunswick; C…

View all North Carolina alerts →

Plumbing Regulations

North Carolina follows the International Plumbing Code (2018 edition).

  • Plumbing code: IPC (2018)
  • Homeowner DIY: Allowed with permit
  • Water heater permit: Required
  • Annual backflow test: Required

Full North Carolina regulations →

Areas with Most Violations

ZIP CodeCitySafety ScoreViolationsHealth-BasedSystem
27511Cary—956CARY, TOWN OF
27536Henderson—9114HENDERSON-KERR LAKE REG WTR
27601Raleigh—875RALEIGH, CITY OF
27514Chapel Hill—7918ROCKBRIDGE S/D
27288Eden—323EDEN, CITY OF
27502Apex—321APEX, TOWN OF
27320Reidsville—2812REIDSVILLE, CITY OF
27330Sanford—278SANFORD, CITY OF
28025Concord—261CONCORD, CITY OF
28540Jacksonville—255ONSLOW WTR AND SEWER AUTHORITY

Areas with No Violations

ZIP CodeCitySafety ScoreSystemPopulation
27045Rural Hall—BISHOPS RIDGE S/D173
27101Winston Salem—COUNTRY CLUB ANNEX38
27292Lexington—DAVIDSON WATER INC153,632
27573Roxboro—ROXBORO, CITY OF11,122
27801Rocky Mount—ROCKY MOUNT, CITY OF55,891
27906Elizabeth City—ELIZABETH CITY, CITY OF19,187
28035Davidson—PARK CREEK S/D203
28070Huntersville—STONE HOLLOW S/D582

Lead & Copper

  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 0 ZIP codes (0%)
  • Moderate risk (Zone 2): 0 ZIP codes
  • Low risk (Zone 3): 0 ZIP codes

All 48 ZIP Codes in North Carolina

Data Sources

Updated daily.

Home → States → North Carolina