FRANKLIN — Franklin residents and town employees joined representatives of the Charles River Watershed Association (CRWA) for a tour of five Franklin rain gardens on Aug. 17. The tour was part of an ongoing partnership between CRWA and the Franklin Department of Public Works (DPW) to demonstrate to residents how rain gardens can prevent pollution and help get rainwater into the ground. A rain garden collects and filters polluted runoff from driveways, rooftops and streets. The DPW has
Source: Franklin showcases some of its best rain gardens
My best guess is that this is it Massachusetts although the article does not give much information about locality.