Section 239(2)(q) in The U.P. Kshettra Panchayats And Zila Panchayats Adhiniyam, 1961
(q)prohibiting the discharge of the water of any sink, drain, steam engine or boiler, or of any filthy, offensive or injurious matter into any river, tank or other source of water supply, or into any specified portion thereof ordinarily used for drinking or bathing purposes.