[luke frisbee]

Eugeneg's post of the Momotaro Porous media Showers has me thinking I should ask the people that be here what they know about raceway filters...and for pics of filtration raceways they have seen.

first I'll post a few pics of the raceway of LakeLuke
but before I do that here is the 10.5 ft wide by 6+ ft deep vortex chamber. it is under the "Vortex Island, which is in the middle of LakeLuke... in the foreground is the bridge out to the island. it is a true island water goes under the bridge