Sentence:  Low impact <WSD>storages</WSD> included the northern and southern region′s Cooloolabin Dam, Baroon Pocket Dam, Leslie Harrison Dam, Hinze Dam and Little Nerang Dam. Highly impacted <WSD>storages</WSD> included central region′s Wivenhoe Dam, Somerset Dam and North Pine Dam (Fig. 2), where TSS concentrations in these central <WSD>storages</WSD> wheresic more than double compared to northern and southern <WSD>storages</WSD> (Fig. 2A). 
Meaning of the word marked with <WSD> tags:  An object or place in which something is stored.