Which of these is a statement of opinion?

In 2011, west Texas endured the second-most severe drought in state history.
The new treatment plant will be the first in Texas to provide drinking water.
The residents of Texas have every right to be concerned about whether the recycled wastewater will be safe for consumption.
In 2011, construction began on a $13 million water treatment plant to be operated by the Colorado River Municipal Water District.

The residents of Texas have every right to be concerned about whether the recycled wastewater will be safe for consumption.