10. Salt Lake City, Utah
> Total score: 39.39
> Health guideline violations score (0-20): 8.75 – 13th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Strontium – 13th worst out of 70 cities
9. Houston, Texas
> Total score: 39.60
> Health guideline violations score (0-20): 8.75 – 13th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Strontium – 10th worst out of 70 cities
8. Des Moines, Iowa
> Total score: 41.58
> Health guideline violations score (0-20): 9.38 – 6th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Bromodichloromethane – 4th worst out of 70 cities
7. Jersey City, New Jersey
> Total score: 41.90
> Health guideline violations score (0-20): 7.50 – 23rd worst out of 70 cities
> Most prevalent contaminant compared to other cities: Bromodichloromethane – 8th worst out of 70 cities
6. Bridgeport, Connecticut
> Total score: 43.59
> Health guideline violations score (0-20): 7.50 – 23rd worst out of 70 cities
> Most prevalent contaminant compared to other cities: Total haloacetic acids – 5th worst out of 70 cities