Tag Archives: treat lagoon BOD

Diagnosing and Correcting Nutrient Deficiency in Industrial Lagoons

Nutrient deficiency, or the lack of sufficient levels of ammonia and phosphorus, can prevent an industrial wastewater lagoon from removing BOD adequately. In this episode of LDIB-TV, our own Julie Hartwig explains how to diagnose and correct industrial lagoon nutrient … Continue reading



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How meth lab discharge affects a wastewater lagoon

Pretty much everything that happens in town eventually makes its way into the wastewater system. So what happens to your lagoon if there’s a methamphetamine lab? An operator asked us whether meth lab discharge would upset his lagoon. Since meth … Continue reading



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Lagoon TSS to BOD5: A Simple Ratio to Diagnose the Source of Problems

Biological Oxygen Demand (BOD) and Total Suspended Solids, or TSS, are standard testing parameters for wastewater lagoons. The ratio between the two numbers can provide valuable insight into the source of the TSS. In this article, we’ll take a look at … Continue reading



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Fruit Processing Wastewater: A Video Case Study

Fruit processing wastewater is challenging to treat due to the seasonal nature of the industry and widely variable flows and loadings, with influent BOD levels much higher than typical municipal influent. Treated effluent, instead of being discharged, can be stored … Continue reading



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When Trouble Is Brewing: Preventing Brewery Lagoon Odors

According to the Brewers Association, we’re in a golden age of beer production, with the U.S. boasting over 4,000 active breweries as of September 2015. However, this increase in production has been accompanied by several high-profile news stories of brewers in trouble with … Continue reading



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Lagoon Duckweed: Friend or Foe?

Duckweed, or water lens, is a rapidly growing, invasive aquatic plant that loves wastewater lagoons due to the presence of nutrients ammonia and phosphorus. Since summertime is high season for lagoon duckweed, it seems like a good time to talk … Continue reading



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Spring Lagoon Odors: Can Lagoon Circulators Prevent Them?

Ah, Spring! The daffodils are blooming, the birds are chirping, and all the solids that settled to the bottom of the wastewater lagoon over the winter are getting dislodged, releasing sludge and gases that create spring lagoon odors. For many municipalities, the … Continue reading



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Cold Weather Lagoon Ops: 9 Ways Winter Affects Treatment

Is your wastewater lagoon ready for winter? The National Oceanic and Atmospheric Administration (NOAA) reports that we’re going to have a strong El Niño winter this year, with warmer-than-average temperatures in the northern half of the U.S. and cooler-than-average temps … Continue reading



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How to Prevent Autumn Lagoon Turnover and Odors

It’s autumn again—time for football, apple cider, falling leaves, and wastewater lagoon turnover. Although less extreme than the spring transition, cooler fall temperatures cause destratification and may trigger lagoon turnover. In this short article, we’ll talk about causes of lagoon … Continue reading



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That Dairy Air: Preventing Dairy Wastewater Odor

We’ve seen quite a few news stories recently about dairies being cited and fined for wastewater lagoon violations, namely biological oxygen demand (BOD) exceeding permit levels and odor complaints. So what’s going on? Why is dairy processing wastewater such a … Continue reading



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