pollute (something or some place) with (something else)
To cause something to become dirtied, contaminated, or impure as a result of the introduction of something. People have been polluting this river with garbage and raw sewage for so long that it has become toxic. I just don't understand how people could pollute their bodies and minds with drugs and alcohol like that.
pollute something with something
to adulterate something with something; to dirty something with something. You should not pollute the stream with chemicals. Someone polluted the sewer with automotive oil.