Leviticus 11:36-38

New International Version

³⁶ A spring, however, or a cistern for collecting water remains clean, but anyone who touches one of these carcasses is unclean. ³⁷ If a carcass falls on any seeds that are to be planted, they remain clean. ³⁸ But if water has been put on the seed and a carcass falls on it, it is unclean for you.