Carving Farmland into a Lake: October 1974 - Mission Viejo, CA - Signs of History on Waymarking.com

The plaque says, "To create Lake Mission Viejo from farmland, the original valley topsoil was removed all the way down to the clay bead during grading. The lake bottom was replace with impermeable soils to help reduce water seepage and prevent decomposition of organic material.

The original planners who designed and constructed Lake Mission Viejo also created a linked system of drains, dams, and retention basins from the City's local parks and open spaces, which allows Lake Mission Viejo to achieve High water quality.

A $1 million bypass storm drain was constructed around the east permitter of the lake. This bypass system prevents runoff from entering the lake by collecting and rerouting storm water and by diverting hillside runoff. The Youth Athletic Park, at the north end of Lake Mission Viejo is a 42-acre retention basin that not only provides recreational fields for sports play, but also contains storm water and prevent it from entering the lake."

Group that erected the marker: Unknown Address of where the marker is located. Approximate if necessary: Alicia Parkway, Mission Viejo, 92691 URL of a web site with more information about the history mentioned on the sign: Not listed

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Date Logged Log   08/14/2015 bluesnote visited it