10 March 2006 Chapter 30 - Sounds Residential Zone 30.1.9.3 Stormwater Discharges (Point Source and Non Point Source) The discharge of point source stormwater, to land or natural water, by gravity and/or the discharge of non point source stormwater, to land or any natural water; shall be a Permitted Activity provided that; a) The rate of point source discharge shall not exceed 25 litres per second. b) The discharge shall not cause any significant erosion or inundation of land; c) The discharge shall not have any significant adverse effect on water quality; d) The discharge shall not have any adverse effect on any fisheries, wildlife habitats or recreational values of a waterbody; and e) The discharge does not contain stormwater from an area where hazardous substances are stored unless: • Hazardous substances cannot enter the stormwater; or • There is an interceptor system in place to collect hazardous contaminants or diverted contaminated stormwater to a trade waste system; f) The above provisions do not apply to the drainage of naturally occurring wetlands or lakes. Note: The discharge of stormwater into the Coastal Marine Area is dealt with in the rules for the Coastal Marine Zone. 30.1.9.4 Swimming Pool 30.1.9.4.1 The discharge of swimming pool wastewater into natural water is a Permitted Activity subject to the following: a) That wherever practicable swimming pool wastewater is discharged into a sewerage system otherwise; b) That the rate of discharge does not exceed 5 litres per second; 30 - 9