In section 77(2) of the Water Resources Act 1963 (which refers to sewage effluent within the meaning of the Rivers (Prevention of Pollution) Act 1951) for the words “the Rivers (Prevention of Pollution) Act 1951” there shall be substituted the words “Part II of the Control of Pollution Act 1974”.

In section 113(1) of that Act (which authorises water authorities to take samples of certain effluents) for the words “Clean Rivers (Estuaries and Tidal Waters) Act 1960” in paragraph (c) there shall be substituted the words “Part II of the Control Pollution Act 1974”.

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