* F, s+ y# K, j n' g; J9 a3 V% @A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. 2 U4 z0 O' ]2 c0 Z% V$ x V$ A2 |3 p& `- } h1 E: @/ }) _ http://www.edmonton.ca/for_resid ... ps-residential.aspx
# H( ]/ N0 T, ~) E% P" Q4 W/ UIn newer areas the sump pump discharges onto the ground, with the exception of areas that have a very high ground water table, or those adjacent to a lake, ravine or river. In those areas, sump pumps must connect to a storm service pipe to minimize soil erosion. A geotechnical engineer determines if this is necessary before the area is developed.