In addition to advising the State Government on any matter concerning the prevention, control or abatement of water pollution, the State Board is required among other things (i) to plan a comprehensive programme for the prevention, control or abatement of pollution of streams and wells in the State and to secure the execution thereof, (ii) to collect and disseminate information relating to water pollution and the prevention, control or abatement thereof; (iii) to encourage, conduct and participate in investigations and research relating to problems of water pollution and prevention, control or abatement of water pollution; (iv) to inspect sewage or trade effluents, works and plants for the treatment of sewage and trade effluents; (v) to review plans, specifications or other data relating to plants set up for the treatment of 541 water, works for the purification thereof and the system for the disposal of sewage or trade effluents or in connection with the grant of any consent as required by the Water Act; (vi) to evolve economical and reliable methods of treatment of sewage and trade effluents, having regard to the peculiar conditions of soils, climate and water resources of different regions and more especially the prevailing flow characteristics of water in streams and wells which render it impossible to attain even the minimum degree of dilution; and (vii) to lay down standards of treatment of sewage and trade effluents to be discharged into any particular stream taking into account the minimum fair weather dilution available in that stream and the tolerance limits of pollution permissible in the water of the stream, after the discharge of such effluents.