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The Ohio Environmental Protection Agency has awarded Sylvania grants for its bio-retention cell project to combat land erosion at west end of Harroun Community Park off of Main Street.
Kevin Aller, city service director, said it was awarded $82,000 from the state Storm Water Improvement Fund to construct a bio-retention cell that will naturally absorb storm water runoff from the parking lot bordering the park and used by St. Joseph Parish church.
The project cost is $106,000. About $24,000 will be paid by the city and the church, he said.
To be built is a complex version of a rain garden. It will use soils and plants that naturally absorb water runoff. When consistent heavy downpours occur, the excess water will drain into nearby Ten Mile Creek.
After a heavy rain, the gravel trail at Harroun Community Park is a bit steeper and lined with six to 12-inch deep crevices, making it difficult on which to bike or run.
For years, Sylvania’s Parks and Forestry Department has tried to fix the land erosion by grading the path, which begins at the park parking lot off of Main Street and slopes between the outdoor amphitheater and the historical Lathrop House. However, the grading was for maintenance and not fixing the core problem.
The bio-retention cell is 130 feet long by 25 feet wide and will be built near the parking lot, at the top of the hill in Harroun Park. A part of the eastern edge of the lot will be removed to make room for the natural stormwater drain.
“The erosion we are seeing on the hill was repeated and extensive,” Mr. Aller said. “We needed to do something. It will solve that problem and will serve as an education piece as a natural method of treatment.”
He said the project will serve as a model for the city’s Parks and Forestry Department and Olander Park System.
The project is open for bidding through 10 a.m. Sept. 10. Construction is expected to begin in the fall, with completion by the end of the year.