New Orleans, LA Tap Water Quality
Water safety reports for all 62 ZIP codes in New Orleans, Louisiana
Average Score
77/100
Health Violations
496
ZIP Codes
62
High Lead Risk
19
of 62 ZIP codes
About Tap Water in New Orleans, LA
The drinking water in New Orleans, LA generally meets all federal health standards, earning a solid B grade with a composite safety score of 77/100 across 62 ZIP codes. While the primary water utility, New Orleans Carrollton Water Works, maintains adequate compliance with EPA regulations, there have been minor or administrative violations on record. Overall, residents receive safe tap water that is actively monitored by Louisiana Department of Health.
The accumulation of 496 health-based violations over the past 5 years highlights systemic challenges within New Orleans's water infrastructure. When violations occur, it means that drinking water tests revealed contaminant levels exceeding safe limits, triggering mandatory corrective actions by Louisiana Department of Health. The city relies on surface water, which may require significant treatment upgrades to address these recurring issues.
Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 19 out of 62 ZIP codes in New Orleans are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.
Health-Based Contaminant Violations in New Orleans
EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in New Orleans water systems over the past 5 years.
Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.
Water Quality by ZIP Code — New Orleans, LA
Click any ZIP code for the full water quality report
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Frequently Asked Questions — New Orleans Water Quality
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