For new homes, cottages and businesses, or for replacing your existing system, a wastewater holding tank might be the best solution. Holding tanks are large, single-chamber vessels constructed of concrete, fibreglass, or polyethylene that meet CSA standards. Typically, they are used to store untreated wastewater for a short period of time. keywords: Natural wood color mulch winnipeg,Pine Bark Mulch Winnipeg,Bark Nuggets Winnipeg