(1) No person shall cause or permit any spring-water, subsoil-water, surface-water or storm-water, or any drain, to discharge or flow into any sewer except with the prior written permission, or by direction shall be subject to the conditions, inter alia, that any such spring-water, subsoil-water, surface-water, storm-water or drain shall discharge into a trapped gully above the level of the water in the trap.

(2) In no case shall any spring-water, subsoil-water, surface-water or storm-water be discharged or permitted to flow into any septic tank or similar works.