In addition to the said penalty (and whether such penalty shall have been recovered or not), the person so offending shall forfeit a sum not exceeding five pounds (to be recovered in the like manner) for each day during which such product, washing, or other substance shall be brought or shall flow as aforesaid, or during which the act by which such water shall be fouled shall continue, after the expiration of twenty-four hours from the time when notice of the offence shall have been served on such person by the local authority, or by the person into whose water such product, washing, or other substance shall be brought or flow, or whose water shall be fouled thereby, and such penalty shall be paid to the local authority or person from whom such notice shall proceed; and all moneys recovered by the local authority under this or the preceding section shall, after payment of any damage caused by the act for which the penalty is imposed, be applied towards defraying the expenses of executing this Act.