It is narrated from Hazrat Adi bin Hatim (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: If your hunted animal falls into water and drowns, then do not eat it.
Hadith Referenceمسند احمد / تتمہ مُسْنَدِ الْكُوفِيِّينَ / 19379