![]() Once the sludge is removed, it is dried and is transported to either a landfill or a land application facility. ![]() There are a few different methods of lagoon dredging, all of which involve mechanically removing sludge from the lagoon. Lagoon dredging is by far the most common form of lagoon sludge removal. Lagoon dredging is the process of mechanically removing sludge that has accumulated on the bottom of a wastewater lagoon. Our first article, Causes & Effects of Wastewater Lagoon Sludge Explained, considered why sludge accumulates in your lagoon in the first place. This article, the second in a two-part series, focuses on the causes and subsequent effects on your wastewater lagoon when sludge starts to build up. ![]() For an example of what happens when sludge is allowed to accumulate too much, see our blog: Wastewater Lagoon Mixing Alleviates Odor & Sludge Issues. Excess lagoon sludge can lead to higher effluent levels of BOD, TSS and ammonia along with some terrible lagoon odors. That being the case, wastewater lagoon sludge treatment is a common challenge for wastewater lagoons worldwide. Many wastewater lagoons suffer from excess lagoon sludge accumulation.
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