Nitrate in Tennessee Drinking Water — 2 ZIPs Tested

Nitrate Contamination in Tennessee

ZipCheckup analyzed drinking water data across 787 ZIP codes in Tennessee for nitrate contamination. 2 ZIP codes have reported nitrate detections, and 0 have EPA violations on record.

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.

Worst ZIP Codes for Nitrate in Tennessee

These ZIP codes reported the highest nitrate levels in Tennessee based on CCR reports and EPA data:

Lowest Nitrate Levels in Tennessee

These ZIP codes had the lowest reported nitrate detections in Tennessee:

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 Tennessee.