Sappāṇakavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 352

[352] Knowingly using water containing living beings, one falls into two offenses (āpatti): while he is using it, in the act there is an offense of wrong-doing (dukkaṭa); when it has been used, there is an offense entailing expiation (pācittiya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.