Apparatus for water supply and sanitary purposes, namely, a stormwater treatment and detention system within the field of bioretention comprised of baffle walls, engineered filter media and plant life; apparatus for sewer network treatment and water treatment, namely, water filter and ground soil percolation systems comprised of baffle walls, engineered filter media and plant life for the purpose of removing contaminants found in stormwater runoff within the field of bioretention; water filtering installations; water filtering apparatus; water purification installations; water sterilisers; water purifying machines; membranes for the filtration of water; cartridge filtration units for treating water; filters made of fibre for water treatment; reverse osmosis water filtration units; water purification, sedimentation and filtration apparatus for clarification, thickening and filtration of water, waste water and industrial water; filters and screens for removal of solids in water treatment systems; water filtering apparatus for use in screening and separating solid matter and particulates from waste water; apparatus, installations and systems for the management, flow, storage and treatment of water, namely, a bioretention system comprised of baffle walls, engineered filter media and plant life for the purpose of removing contaminants found in stormwater runoff; apparatus, installations and systems for the control and management of water flow, including flow of stormwater, and industrial effluent, namely, a modular, partly-submerged base for use as a water filtering apparatus that contains baffle walls, engineered filter media and plant life; stormwater drainage systems comprised of a modular, partly submerged base for use as a water filtering apparatus that contains containing baffle walls, engineered filter media and plant life; parts, accessories and fittings for all of the aforesaid goods, namely, structural parts for the aforesaid goods, water filtering apparatus in the nature of filtering water and engineered filter media, namely, filtering materials made of engineered coarse and fine sand mixed with organic material such as peat, loam or carbon; apparatus, installations and systems for the management, flow, storage and treatment of water, namely, filtration and infiltration systems, namely, a modular, partly-submerged base comprised of baffle walls in the nature of submergible fiberglass and metal or concrete walls used to direct water flow, engineered filter media and plant life; apparatus, installations and systems for the control and management of water flow, including flow of stormwater, and industrial effluent, namely, a modular, partly-submerged base comprised of baffle walls in the nature of submergible fiberglass walls used to direct water flow, engineered filter media and plant life