Hong Kong Regulations

BUILDING (STANDARDS OF SANITARY FITMENTS, PLUMBING, DRAINAGE WORKS AND LATRINES) REGULATIONS - REGULATION 63

Situation of septic tank

(1) No septic tank shall be situated within 18 m of any spring, stream of
water or well, the water from which is used or likely to be used for drinking
or domestic purposes or for the manufacture or preparation of articles of food
or drink for human consumption or for the cleansing of vessels used in the
manufacture or preparation of such articles. (L.N. 294 of 1976)

(2) Every septic tank shall be so situated that the removal of sludge can be
carried out by an approved method. (L.N. 361 of 1980)