Top 20 States with Water Violations
EPA health-based violations ranked by state. Last 5 years of data from the Safe Drinking Water Information System (SDWIS).
States Shown
20
Total Violations
110,038
States with Violations
20
Quick Views
States Ranked by Violations
27,615 health-based violations
20,497 health-based violations
14,184 health-based violations
Worst Cities
5,705 health-based violations
Worst Cities
5,353 health-based violations
Worst Cities
4,222 health-based violations
Worst Cities
3,697 health-based violations
Worst Cities
3,563 health-based violations
2,737 health-based violations
Worst Cities
2,708 health-based violations
Worst Cities
2,322 health-based violations
2,285 health-based violations
Worst Cities
2,284 health-based violations
Worst Cities
1,966 health-based violations
1,953 health-based violations
Worst Cities
1,917 health-based violations
1,810 health-based violations
Worst Cities
1,749 health-based violations
Worst Cities
1,748 health-based violations
1,723 health-based violations
Worst Cities
Check Your City's Water Quality
Search any US city, state, or ZIP code to see its EPA water quality violations, contaminants, and safety grade.
Search Water Quality