In a town whose speedway has given birth to some of auto racing’s rising stars for the past 60 years, you might not expect a treatment plant upgrade to aim to slow things down. But that’s exactly what happened when the Village of Slinger, Wis., renovated its 26-year-old facility. Buildings were retrofitted to slow their energy consumption. Natural plantings slow maintenance requirements. A vegetated berm and spillway slow surface runoff to nearby wetlands. Natural detention basins detain overflow and provide filtration. And modern lighting slows the deterioration of night sky views in the village’s rural surroundings.Protecting a lakeSituated on roughly
