Nitrate in Colorado Drinking Water — 17 Violations
EPA data analysis for nitrate in Colorado drinking water systems
Nitrate Contamination in Colorado
ZipCheckup analyzed EPA enforcement records across 658 ZIP codes in Colorado. 17 ZIP codes have nitrate-related violations on record.
The violation rate for nitrate in Colorado is 2.6% of all ZIP codes — roughly in line with 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 Colorado.
Cities with Nitrate Data in Colorado
8 cities in Colorado have nitrate testing data available.