(1) Subject to due compliance with the requirements of this Act the owner or occupier of any building within a sewerage area shall be entitled to drain foul water from such building into a foul water sewer:
Provided always that such person shall not discharge into the foul water sewer either directly or indirectly—
(a) any liquid containing an appreciable quantity of sugar or fruit juice;
(b) any liquid from a manufacturing process or factory which is other than soil or waste water except by agreement with the Sewerage Authority;
(c) any uncontaminated surface water or any subsoil water;
(d) any injurious chemicals;
(e) any material likely to cause an obstruction;
(f) any liquid from a septic tank.
(2) Before permitting any matter to discharge into a foul water sewer the Sewerage Authority may require to approve analyses of such matter which shall be submitted to them by a competent person to show that the matter will not be injurious to the sewer or prejudicial to the means of disposal of foul water.
(3) Any person who discharges into a foul water sewer any of the objects mentioned in subsection (1)(a) to (1)(f) commits an offence against this Act.