Low on-site wastewater X X X risk Moderate on-site X X X wastewater risk. High on-site wastewater X X X X risk Any lots that fail to comply X X X with setback distances Any lots <4,000 m2 X X X X Any lots within a potable drinking water catchment X X X X or bore field Commercial or Light Industrial Subdivision Development Applications Low on-site wastewater X X risk Moderate on-site X X X wastewater risk High on-site wastewater X X X X risk Any lots that fail to comply X X X X with setback distances Any lots <4,000 m2 X X X X Any lots within a potable drinking water catchment X X X X or bore field 3.1.2 Detailed System Design A detailed system design will entail a full justification for the selection and sizing of all on-site system components. It should incorporate a mean monthly water balance for land application systems (an example water balance is provided in the model site report and in the Standard Designs supplements to the Code). Details on the configuration and basic engineering design of proposed land application systems should be provided to guide installers and regulators toward the desired outcome. A detailed system design would be required as part of a LCA for single lots and subdivisions with a High risk category. 3.1.3 Basic Lot Configuration A basic lot configuration should be submitted with residential and commercial/light industrial subdivision applications on lots classified as Low risk. A basic lot configuration is a surveyed site plan showing the following features: All proposed lots within the subdivision (including the size of each lot)
Low on-site wastewater risk X X X Moderate on-site wastewater risk. X X X High on-site wastewater risk X X X X Any lots that fail to comply with setback distances X X X Any lots <4,000 m2 X X X X Any lots within a potable drinking water catchment or bore field X X X X Commercial or Light Industrial Subdivision Development Applications Low on-site wastewater risk X X Moderate on-site wastewater risk X X X High on-site wastewater risk X X X X Any lots that fail to comply with setback distances X X X X Any lots <4,000 m2 X X X X Any lots within a potable drinking water catchment or bore field X X X X 3.1.2 Detailed System Design A detailed system design will entail a full justification for the selection and sizing of all on-site system components. It should incorporate a mean monthly water balance for land application systems (an example water balance is provided in the model site report and in the Standard Designs supplements to the Code). Details on the configuration and basic engineering design of proposed land application systems should be provided to guide installers and regulators toward the desired outcome. A detailed system design would be required as part of a LCA for single lots and subdivisions with a High risk category. 3.1.3 Basic Lot Configuration A basic lot configuration should be submitted with residential and commercial/light industrial subdivision applications on lots classified as Low risk. A basic lot configuration is a surveyed site plan showing the following features: All proposed lots within the subdivision (including the size of each lot)
guidelines-land-capability-assessment-onsite-wastewater-management.docx