![]() ![]() Sludge accumulation: Sludge buildup, in addition to reducing lagoon capacity and thereby retention time, can also create channels that wastewater flows around.Ĥ. For more about lagoon I&I, read our blog, Lagoon Infiltration and Inflow: Problems and Solutions. ![]() ![]() Infiltration & inflow: A huge influx of stormwater can overwhelm the lagoon and disrupt the treatment process. Poorly positioned influent and effluent pipes can create short-circuiting, especially when I&I is present.Ģ. A single influent pipe can forcefully push wastewater toward the effluent side of the pond. A lagoon oriented in such a way that it’s affected by wind is also subject to short circuit. Flaws in lagoon design: Lagoon design, such as the placement of influent and effluent pipes, can contribute to the likelihood of short-circuiting. Retention time is key to wastewater treatment-if wastewater doesn’t have enough contact with digesting microbes, it doesn’t get treated, and you get high TSS and BOD in your effluent. Simply put, wastewater lagoon short-circuiting is when wastewater “short circuits” or takes a short-cut through the lagoon, bypassing the treatment process. What is a wastewater lagoon short circuit? In a future blog we’ll reveal how to diagnose and prevent it. In this article we’ll define what short-circuiting is and what causes it. A lagoon is more likely to short circuit in the winter, when influent wastewater is warmer than the lagoon temperature, so it’s a good time to examine the topic in a little more detail. We’ve referenced short-circuiting several times as a potential cause of wastewater lagoon effluent problems. ![]()
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