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* Proposed surface grade elevation at the practice location (metres above sea level, masl)
* Proposed surface grade elevation at the practice location (metres above sea level, masl)
* Elevation of the seasonally high water table or bedrock surface (metres above sea level, masl), below the practice location
* Elevation of the seasonally high water table or bedrock surface (metres above sea level, masl), below the practice location
* Effective porosity of the storage reservoir fill material(s), including any void-producing structure system (e.g. soil cells, chambers and associated aggregate) included, n<sub>r</sub>'
* Effective porosity of the storage reservoir fill material(s), including any void-forming structures (e.g. pipes, chambers, tanks, soil cells, etc.) and surrounding aggregate, n<sub>r</sub>'
* Types of plants to be supported by the filter media bed (i.e. grasses vs. mix of grasses, plants and shrubs vs. trees)
* Types of plants to be supported by the filter media bed (i.e. grasses vs. mix of grasses, plants and shrubs vs. trees)
* How runoff will be delivered to the practice (i.e. to surface ponding area, or directly to storage reservoir)
* How runoff will be delivered to the practice (i.e. to surface ponding area, or directly to storage reservoir)