give knowedage about radioative water?

Radioactive water is basically water used in radioactive plants. It is a kind of radioactive waste. 

You can search for radioactive wastes in the internet. You may find it helpful.

Radioactive Water is not a chemical term though we use it in our comman language basically we used it for the Water that is Radioactively Contaminated.

Now , Radioactive Contamination is the deposition of / presence of radioactive substance with in liquid or solid or gas . Such contamination is hazardous for the nature because of radioactive decay of cantaminants which emits harmful ionising radiation such as alpaha or beta particles , gamma rays.

So, Radioactive Water is a Contaminated water which contaminated with radiation during the radioactivity ( Decomposition Process ) .