Today, Lake Merritt is known as the Crown Jewel of Oakland, but it used to be called by a different name: the Lake of 1,000 Smells. To figure how to make it a swimming lake, it’d be good to know how it became un-swimmable in the first place. Reporter: Jessica Placzek Video: Adam Grossberg Read more: ww2.kqed.org/news/2016/03/22/what-would-it-take-to-make-lake-merritt-swimmable