Author Archives: Patrick Hill

Are Lagoon BOD Tests Accurate?

The BOD5 test may be the standard—but is it a reliable reflection of the quality of treatment in your lagoon? In this article we will discuss the BOD5 test and speak to the potential problems with it, such as the effect … Continue reading



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Using Wastewater Lagoon pH as a Diagnostic Tool

Wastewater lagoon pH is a common testing parameter that is easily taken for granted. Dig a little deeper, however, and pH can give you valuable clues about what’s going on in your lagoon and help you troubleshoot the source of effluent … Continue reading



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Troubleshooting High Wastewater Pond TSS

Total Suspended Solids, or TSS, is a standard testing parameter for wastewater pond or lagoon operators. Effluent TSS is a measurement of  the amount of solid material that is escaping with the wastewater pond or lagoon effluent, and is a … Continue reading



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Cost-Effective Lagoon Ammonia Compliance

Ammonia in waterways can wreak havoc on the environment—disrupting aquatic ecosystems, aggravating and killing fish, and creating dead zones—so it makes sense that the EPA is seeking to regulate it. (See our article, Why Lagoon Ammonia Matters: 3 Reasons the … Continue reading



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LRAS™ Advanced Lagoon Treatment Expands Capacity: A Case Study

Lagoons are a popular method of wastewater treatment for smaller municipalities—they are energy-efficient, easy to operate, and low maintenance. However, when a lagoon system reaches capacity or underperforms, sometimes the immediate reaction is to replace it with a mechanical plant, … Continue reading



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Iowa Lagoon Ammonia Removal: NitrOx Pilot Successful in De Soto

Like many Iowa municipalities, the City of De Soto requires an upgrade to their lagoon system to meet more stringent ammonia effluent requirements in coming years. In this article, we’ll review the conditions that led De Soto to choose to … Continue reading



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How to Prevent Wastewater Lagoon Short Circuit

It’s wintertime, the season when a wastewater lagoon is most likely to short circuit due to the disparity between the influent wastewater temperature and the ambient lagoon temperature. In a previous article, Four Causes of Wastewater Lagoon Short Circuit, we defined … Continue reading



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Four Causes of Wastewater Lagoon Short Circuit

We’ve referenced short circuiting several times as a potential cause of wastewater lagoon effluent problems. 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 … Continue reading



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Winter Wastewater Lagoon Operations: Is Your Lagoon Ready?

Is your wastewater lagoon ready for winter? We’re just days away from the start of meteorological winter, although some areas of the country have gotten a head start with unseasonably cold temperatures and significant early snowfall. It’s a good time … Continue reading



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Lagoon Infiltration and Inflow: Problems and Solutions

One of the biggest challenges for all types of wastewater systems, including lagoons, is infiltration and inflow. In this short article, we’ll define Lagoon Infiltration and Inflow, commonly abbreviated as “I&I,” explore the causes, and discuss what can be done … Continue reading



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