25. New Haven, Connecticut
> Total score: 34.59
> Health guideline violations score (0-20): 7.50 – 23rd worst out of 70 cities
> Most prevalent contaminant compared to other cities: Total haloacetic acids – 11st worst out of 70 cities
24. San Antonio, Texas
> Total score: 34.96
> Health guideline violations score (0-20): 9.38 – 6th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Strontium – 2nd worst out of 70 cities
23. Omaha, Nebraska
> Total score: 35.05
> Health guideline violations score (0-20): 8.13 – 18th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Bromodichloromethane – 9th worst out of 70 cities
22. Billings, Montana
> Total score: 38.95
> Health guideline violations score (0-20): 8.75 – 13th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Strontium – 8th worst out of 70 cities
21. Baltimore, Maryland
> Total score: 36.02
> Health guideline violations score (0-20): 5.63 – 49th worst out of 70 cities
> Most prevalent contaminant compared to other cities: Total haloacetic acids – 2nd worst out of 70 cities
