This black to brown water eventually clears up in about a week or more but the layers of sediment on the shoals of Big Glen are accumulating and changing the characteristics of the bottomlands from pristine sand to more of a “muck” bottom. When Hatlem Pond no longer functions as a trap for sediments and when a significant rain event occurs, large amounts of sediment and organic debris wash down the creek and into Big Glen.
For the past 50 years, it has served as a silt trap and today the pond is almost completely full of sediment that comes from the steady and gentle sedimentation of the upstream portion of Hatlem Creek and its tributaries. Hatlem Pond is a small pond less than a mile upstream from the mouth of Hatlem Creek on the south shore of Big Glen. At last year’s annual meeting of the Glen Lake Association (GLA), watershed biologist Rob Karner gave a sneak preview of how the dredging of Hatlem Pond was being targeted as one of its major water quality projects for 2012.
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