Case Studies

Issue: A truck stop is changing ownership, and the existing onsite sewage treatment system is noncompliant. The truck stop includes a full-service restaurant, ...

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Issue: A chicken egg-processing plant is experiencing malodor from a 800,000-gallon lagoon in its wastewater treatment facility. BOD in this lagoon is 2,600 mg/L. Flow into the lagoon is about 35,000 GPD, and the system operator estimated influent BOD ...

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Issue: A 17,000-head pig nursery is experiencing odor problems in a 16 million gallon manure lagoon. System loading is 2,890 lbs. BOD/day. Lagoon BOD ...

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Before: Lagoon with 7 surface aerators totaling 28 HP.

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Before: Other surface aerator - frozen conditions limit oxygen transfer..

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Issue: An Iowa wastewater treatment facility has a three-pond lagoon system that receives 300,000 GPD ...

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Issue:  A lakeshore owner on Big Sandy Lake near McGregor, MN has a steep sandy ...

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Issue: A Fortune 500 company has regular waste strength exceedances at one of its food processing facilities. Action: The high levels are traced to a ...

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Overview:  A Four Star restaurant has a nearly new septic system headed for premature failure due to excessive influent waste strength.  They also struggle with odor ...

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Overview:  A northern Wisconsin dinner restaurant has a failed septic system. Another contractor proposes a treatment technology to handle their high strength discharge that makes the project unaffordable.

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