The Oak Ridges Moraine is known for its rolling hills, forests, meadows, wetlands, ponds, river valleys and lakes, which provide habitat for many plants and animals. The YPDT-CAMC groundwater monitoring network collects information from select locations shown on Figure 1 and listed in Table 1. The ORMGP has built upon an original geological interpretation of the Oak Ridges Moraine sediments undertaken during the 1990s by the Geological Survey of Canada (GSC). In 2015, the Greenbelt Plan, Oak Ridges Moraine Conservation Plan, Niagara Escarpment Plan and Places to Grow Plan will all be reviewed to determine if they are effectively protecting farmland, nature, clean water by stopping sprawl and creating complete communities. By identifying areas of high aquifer vulnerability, the aquifer vulnerability maps facilitate the implementation of the provisions of Section 29 and Subsection 42(1)(c) of the Oak Ridges Moraine Conservation Plan. The Oak Ridges Moraine is a geological landform that runs east-west across south central Ontario, Canada. Moraine waters sustain countless green spaces and a large number of diverse species who call the Moraine and related landscapes home. Map of Oak Ridges Moraine; Trail map of Oak Ridges Moraine ; What's special about the Oak Ridges Moraine? The Ontario Ministry of Natural Resources and Forestry, through the planning study, undertook a broad hydrogeological review of the Oak Ridges Moraine. The complex ridge of sedimentary material, the Moraine, as is known, partially developed under the water. It extends from the Niagara Escarpment to beyond Rice Lake for a total lateral extent of approximately 160 km (Fig. Client: Oak Ridges Moraine Groundwater Program (ORMGP) Steve Holysh, Chief Hydrogeologist, 416-661-6600 ext. Water Balance. In the diagram (courtesy of GEOSCAPES; Natural Resources Canada), you can see how the precipitation that falls on the Oak Ridges Moraine is absorbed into a sandy layer that is actually hundreds of meters deep. Due to COVID-19 restrictions hike attendance is limited. The program has progressed a step forward, in that the data has been used to interpret the subsurface geology and the area's groundwater flow system. The Oak Ridges Moraine's hydrological system is a major constituent of the Humber Watershed, so that any impact on this system will be of concern.A specific concern is urbanization, which affects water quality by increasing its load of metals and organic contaminants. Oak Ridges Moraine Conservation Plan, help users of the plan understand how to apply the Plan and legislation. The Oak ridges moraine formed about twelve thousand years ago during retreat (and occassional expansion) of Glaciers in the area. As … Agencies and consultants look to the program to provide the regional geological and hydrogeological context for their ongoing technical studies and management initiatives. This understanding is continually being refined and improved. It developed about 12,000 years ago, during the Wisconsin glaciation in North America. Solving Moraine Drain Today’s infographic is the … It developed about 12,000 years ago, during the Wisconsin glaciation in North America. The clean water that bubbles up from this aquifer feeds 65 river systems. The 1991 Oak Ridges Moraine Planning Study, which began as a tightly focused land use planning exercise, became a catalyst for innovative water resource studies. boreholes, water chemistry, etc.) However, data only takes you part way to informing water related decisions. Over time the natural conditions of the moraine have displayed more and more deterioration culminating in periodic crises, including loss of water supplies, severe erosion and blowing of topsoil and flooding. Consequently, this surface runoff results in dramatic increases in wet weather flows of the headwater streams on the moraine causing erosion and degradation of these fragile systems. He noted the elevation, and styled the area Oak Ridge, identifying the portion of moraine north of Toronto. It has been described as southern Ontario’s rain barrel – its permeable sands and gravels absorb and collect precipitation, which slowly recharge the deep aquifers below the ground. These sand and gravel aquifers store, filter and release this groundwater to over 65 watercourses flowing north and south into Georgian Bay, Lakes Simcoe, Scugog, Rice and Ontario. It developed about 12.000 years ago, during the Wisconsin glaciation in North America. Clague et al., 1997). 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