Translate the following English sentence to French:
"Coccidiostats now accompany the manure that is spread on the fields. In that way, they end up in our water supplies which, as we all know, are our most vital resource."
Aujourd'hui, on épand sur les champs le lisier contenant le coccidiostatique, lequel passe dans l'eau, c'est-à-dire dans le composant le plus important de notre alimentation.