Nitrate in North Carolina Drinking Water — 11 Violat...
EPA data analysis for nitrate in North Carolina drinking water systems
Nitrate Contamination in North Carolina
ZipCheckup analyzed EPA enforcement records across 1,085 ZIP codes in North Carolina. 11 ZIP codes have nitrate-related violations on record.
The violation rate for nitrate in North Carolina is 1% of all ZIP codes — lower than the national average.
EPA Standard for Nitrate
The EPA maximum contaminant level (MCL) for nitrate is 10 mg/L (as nitrogen), governed by the National Primary Drinking Water Regulations. Water systems that exceed this limit must take corrective action and notify consumers.
Health Effects of Nitrate
How to Remove Nitrate From Drinking Water
The most effective treatment for nitrate removal is Reverse Osmosis or Ion Exchange. Look for filters certified under NSF 53 / NSF 58 standards.
Check Your ZIP Code
Use the ZipCheckup water quality search to see nitrate data for your specific water system in North Carolina.
Cities with Nitrate Data in North Carolina
6 cities in North Carolina have nitrate testing data available.