Halifax Harbour Cleanup Inc. - Halifax Regional Municipality

Issues 35
Halifax Mainland South, coupled with a secondary treatment
plant at Herring Cove.
Other treatment options had been considered at an earlier
date and rejected. At that time, the community had said no to
a sewage treatment plant on the grounds that the Nova Scotia
Minster of Health had declared that it was no longer acceptable
to have tertiary treatment plants discharging into a freshwater
body and because ft was felt that a sewage treatment
plant would destroy the character of the village.
REGIONAL TUNNEL
Halifax Harbour
Figure 8 Mainland South - Herring Cove System
HHCl’s recommended option is the first one above. This optalon
was seen as causing the least environmental disturbance
to the ecologically sensitive Backlands, while meeting the objective
of Herring Cove residents to avoid sewage treatment
and disposal in their community. All sewage flows into Mclntosh
Run at the Roachs Pond overflow would be eliminated;
however there may be overflows into Powers Pond and possibly
into Watleys Cove, depending on the volumes of flows
remaining in the Herring Cove sewershed once Mainland
Source: After Halifax Harbour Cleanup Inc.
South is cut off. Initially the collection system was to be surface
trenched across the Backlands, but this was changed to
the deep-tunnel design due to the community concerns about
the ecological integrity of the Backlands. Diverting sewage
flows into the regional system would also eliminate the need
for a local sewage treatment plant in Mainland South.
Having made this recommendation, a great many public concerns
remained, including the following: