It seems there might be a little confusion here! The word "agua" is actually Spanish for "water." In English, the word "agua" isn't commonly used on its own, but we can talk about "water" in English instead. Let’s go through the explanation of "water" for you.
Water is a clear, colorless liquid that is essential for all forms of life. It is found in rivers, lakes, oceans, and is also what we drink.