DeclineUpdated April 2026
Most Water Safety Violations
Water systems with the most health-based violations
City of Jackson in Jackson, MS has 100 health-based violations, the most of any water system tracked.
| # | Name | Metric | Grade |
|---|---|---|---|
| 1 | City of Jackson 100 health violations — Jackson, MS — serves 189,673 | 100 | F |
| 2 | Shreveport Water System 76 health violations — Shreveport, LA — serves 192,378 | 76 | F |
| 3 | Springfield Water and Sewer Commission 27 health violations — Springfield, MA — serves 167,954 | 27 | F |
| 4 | Newark Water Department 22 health violations — Newark, NJ — serves 294,274 | 22 | F |
| 5 | Sioux City Water Supply 10 health violations — Sioux City, IA — serves 85,791 | 10 | F |
| 6 | Liberty Utilities New York - Lynbrook 6 health violations — Merrick, NY — serves 220,000 | 6 | F |
| 7 | Tuscaloosa Water & Sewer 6 health violations — Tuscaloosa, AL — serves 166,524 | 6 | F |
| 8 | Las Cruces Municipal Water System 6 health violations — Las Cruces, NM — serves 98,175 | 6 | F |
| 9 | Atlanta 5 health violations — Atlanta, GA — serves 1,089,893 | 5 | F |
| 10 | Kalamazoo 4 health violations — Kalamazoo, MI — serves 192,992 | 4 | F |
City of Jackson in Jackson, MS has 100 health-based violations, the most of any water system tracked.
Frequently Asked Questions
This report is auto-generated from real public data sources. Entities are ranked by their key metrics and the most notable changes and extremes are highlighted.
The underlying data is refreshed on a regular schedule. This report was generated from the most recent available data (last updated April 2026).
The primary metric varies by report type. It may represent a score, dollar amount, rate, or count depending on what the report is measuring.