Underground water contamination with nitrites, nitrates and ammonium - short review.

This short review is about contamination of water with nitrates, nitrites and ammonium. For many centuries, water was considered to be an element. Pollution consequences are more and more to be felt; they are already found in public health, eco-systems bio-diversity, and not only, by jeopardizing them. The most varied composition among all the natural waters is owed by the underground waters. Underground water may reappear on the surface, either as water springs or water extracted from fountains or exploitations.