Chromium-6 Contamination in Maryland

ZipCheckup analyzed drinking water data across 615 ZIP codes in Maryland for chromium-6 contamination. 4 ZIP codes have reported chromium-6 detections, and 5 have EPA violations on record.

The violation rate for chromium-6 in Maryland is 0.8% of all ZIP codes — lower than the national average.

EPA Standard for Chromium-6

The EPA maximum contaminant level (MCL) for chromium-6 is 100 ppb (total chromium MCL), 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 Chromium-6 in Maryland

These ZIP codes reported the highest chromium-6 levels in Maryland based on CCR reports and EPA data:

Lowest Chromium-6 Levels in Maryland

These ZIP codes had the lowest reported chromium-6 detections in Maryland:

Health Effects of Chromium-6

How to Remove Chromium-6 From Drinking Water

The most effective treatment for chromium-6 removal is Reverse Osmosis or Strong-Base Anion Exchange. Look for filters certified under NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see chromium-6 data for your specific water system in Maryland.