All 5 right-of-way rain gardens are complete in the Brook Run neighborhood. They have received a small amount of sod to help filter out sediments and stone to help direct the water. Residents have already observed the rain gardens working from a couple small rains.

Yesterday, Franklin Soil and Water, OSU, and Westerville performed tests to help calibrate the flow meters in the storm water system and recorded data from the pressure transducers in the sampling wells. During the testing, water was sent down the street and into one of the gardens. In one of the 3-chambered gardens, water filled up in the first¬†chamber to 3″, overflow was directed to the next chamber, and a small amount flowed into the third chamber. After about half an hour, the 3″ ponding water had drained completely through the garden.

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