Why should the announcement of a third supply intake for Las Vegas water cause concern?

This question is about "Las Vegas Completing Last Straw to Draw Lake Mead Water"

The announcement is of concern because it includes drilling activities on the ground, which can cause geological problems that cause unexpected and bad results for Las Vegas and the surrounding region.

Explanation:

It is a fact that the supply of drinking water in Las vegas and surrounding areas is a concern that deserves attention. To address these problems, several supply strategies have been established, however, the third water supply, which is what was discussed in the article, is the one that is of most concern because it involves excavation activities at meters and meters deep.

As we know, excavation activities are dangerous, as they can not only generate geological problems, but also awaken existing problems that will cause more problems to the population.

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.