It shall be unlawful for any person or persons to drain, cause to be drained or allow to drain from any property occupied by him or her, any kitchen slops or other greasy or impure matter in the open gutters or waterways in the municipality, unless said drainage has been drained into a vault and filtered through a lesser vault filled with sand and fine gravel, built under the inspection of the County Board of Health.
(‘74 Code, § 91.20)