As part of a wide-ranging revision of its building code, the province of Ontario is proposing a stricter rule for the pumping of septic tanks.The present rule requires pumping when sludge and scum occupy one-third of working capacity. The proposed change would require pumping at the one-third level or every five years, whichever comes first. Anyone who operates such a system would also be required to keep records of the cleanings.Provincial officials acknowledge this will impose costs on property owners and on municipalities that will manage enforcement, but they also say current code does not require regular pumping.Opposition to the
