Over the course of two weeks, an estimated 1.3 million gallons of sewage flowed into Shoal Creek at Glenwood Hills Park in Decatur.

County watershed analysts noted heightened levels of fecal matter downstream on Jan. 4, CEO Mike Thurmond said Saturday. The source of the spill wasn’t located until Friday and the berm surrounding the pipe was built up to contain it.

Large sewage spills in DeKalb have been blamed on an aging and neglected watershed system that the county is working to address.

This post has been updated.