Volume Two 4. Coastal Environment Zone 4.3.15.3. Fill must not be placed over woody vegetation on land with a slope greater than 10°. 4.3.15.4. Fill must not be within a Level 2 or 3 Flood Hazard Area. 4.3.15.5. There must be no filling in excess of 500m per Computer Register located 3 within the Marlborough Sounds Outstanding Natural Feature and Landscape within any 12 month period. 4.3.15.6. A filled area must be designed, constructed and maintained to ensure it is stable and remains effective after completion of filling. 4.3.15.7. Water control measures and sediment control measures must be designed, constructed and maintained in a fill area, such that the area is stable and the measures remain effective after completion of the filling. The diameter of any culvert used to drain fill areas must not be less than 300mm. 4.3.15.8. When the filling has been completed the filled area must be covered with at least 200mm of soil, and sown down with a suitable vegetative cover or other means to achieve a rapid vegetative cover. 4.3.15.9. Filling must not be in, or within: (a) 8m of a river (except an ephemeral river when not flowing), lake or the coastal marine area; (b) 8m of, a Significant Wetland; (c) 8m of the landward toe of a stopbank. 4.3.15.10. Filling must not be within such proximity to any abstraction point for a drinking water supply registered under section 69J of the Health Act 1956 as to cause contamination of that water supply. 4.3.15.11. Filling must not cause any conspicuous change in the colour or visual clarity of a flowing river after reasonable mixing, or the water in a Significant Wetland, lake or the coastal marine area measured as follows: (a) hue must not be changed by more than 10 points on the Munsell scale; (b) the natural clarity must not be conspicuously changed due to sediment or sediment laden discharge originating from the filling site; (c) the change in reflectance must be <50%. 4.3.16. Construction or alteration of a bore except a geotechnical bore constructed for the investigation of sub-surface conditions. The construction or alteration of a bore does not authorise the taking, use, damming or diversion of water, rules for these activities are in the General Rules. 4.3.16.1. The bore must not be located: (a) within the bed of a river; (b) within 8m of the landward toe of a stopbank; (c) within 50m of the land application area of any on-site wastewater management system or an offal pit; (d) within 50m of the boundary of a property in which the discharge of dairy effluent to land occurs; (e) in, or within 8m of, a Significant Wetland; 4 – 15