Changes

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,