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Infiltration practices are not recommended:
Infiltration practices are not recommended:
#over swelling clays or unstable sub-soils,
#over swelling clays or unstable sub-soils,
#over contaminated soils or sites with high risk of contamination from onsite activities,  
#contaminated soils or sites with high risk of contamination from onsite activities,  
#in flood prone areas where the wastewater system is sensitive to groundwater conditions causing sewer backups, and where LID BMPs have been found to be ineffective,
#in flood prone areas where the wastewater system is sensitive to groundwater conditions causing sewer backups, and where LID BMPs have been found to be ineffective,
#in areas where the ecology and natural hydrology are dependent upon surface water,
#in areas where the ecology and natural hydrology are dependent upon surface water,

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