Houston makes list of worst water quality

HOUSTON The Environmental Working Group released the results of a three year investigation of city water supplies across the US, looking at how contaminated some water supplies are. Three Texas cities made the top 10 list of highest water quality. Best water quality:

1. Arlington, TX
2. Providence, RI
3. Fort worth, TX
7. Austin, TX

Worst water quality:

1. Pensacola, FL
2. Riverside, CA
3. Las vegas, NV
6. Houston, TX