New Orleans, LA Water Quality
New Orleans, LA has 1 public water system serving 334,903 people. The average Water Safety Score is 57/100 (F). 2 health violations are on record.
Water Systems in New Orleans
Contaminants Detected in New Orleans Water
| Contaminant | Systems Detected | Exceeding MCL |
|---|---|---|
| Chlorine | 1 | 0 |
Frequently Asked Questions
New Orleans has 1 public water system serving 334,903 people. The average Water Safety Score is 57/100. There are 2 health violations on record. Check individual systems below for details.
New Orleans water systems have detected 1 contaminant, including Chlorine. No contaminant exceedances above EPA limits are currently recorded.
The Water Safety Score (0-100, grades A through F) weighs health-based violations (40%), contaminant exceedances (30%), enforcement history (20%), and monitoring violations (10%). Scores are based on EPA SDWIS data from the last 10 years.
Request your utility's Consumer Confidence Report (CCR), consider an independent water test from a certified lab, and look into NSF-certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System. City data aggregates all public water systems serving the municipality.
For this entity, the underlying data on this page comes from the EPA Safe Drinking Water Information System (SDWIS). The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the the EPA Safe Drinking Water Information System (SDWIS) portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public water systems with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: EPA Ground Water and Drinking Water, 2026.