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Category Archives: Riverside Dam

Riverside Dam Class EA – Part II Order Request – ORA & Partners

The full Capital and Life Cycle Costs of Rebuilding Riverside Dam were not realistically represented in the ESR and could well end up costing the taxpayers more than double what was presented to the public and City Council.  A Rebuilt dam would be considered a new dam, not a repair or expansion of an existing weir, with an assessed High Hazard Potential, and is located within the City of Cambridge in a location that could place multiple residences and businesses at risk in the event of severe flooding or a dam breach.  ORA and Partners submit that this Project goes far beyond the screening process provided by a Schedule B, Class EA.  Consequently, we submit that this is a major project that should fall into a higher level of assessment.

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Riverside Dam Class EA – Update to Preliminary Preferred Alternative – Joint Submission

ORA understands the pressure municipalities are under when communities rally to maintain or rebuild their beloved mill ponds.  However, it is up to all authorities and municipalities to take a leadership role that places public safety and landscape scale ecological integrity above local individual or group interests.

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Riverside Dam Class Environmental Assessment – Speed River

Drought conditions could place additional stress on riverine ecosystems, while more extreme rainfall will heighten the risk of dam failures (18 dams were breached in a South Carolina flood in October of 2015) with rapid release of high volumes of water.  There have also been recent dam failures right here in Ontario – the Gorrie Dam failure last year in Wingham was the most recent, putting more than 150 property owners at risk.

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