The WATER (Prevention and Control of Pollution) Act 1974 establishes the:

1. The Water (Prevention and Control of Pollution) Act 1974 created INSTITUTIONAL FRAMEWORK for water pollution control. 2. Section 3 establishes the CENTRAL POLLUTION CONTROL BOARD (CPCB). 3. Section 4 establishes STATE POLLUTION CONTROL BOARDS (SPCBs). 4. Major substantive provisions: Section 24 — prohibition of using stream/well as outlet for trade effluents without consent; Section 25 — restrictions on new outlets; Section 26 — restrictions on existing outlets; Section 32-33 emergency measures. 5. The Act was enacted under Article 252 (consent by States); 12 States passed resolutions enabling Parliament to legislate. 6. Hence option B is correct. _Source: EPA 1986 / Constitution of India / Stockholm/Rio/Paris / Indian SC environmental jurisprudence — Water (Prevention and Control of Pollution) Act 1974, Sections 3 and 4_