Major Freeway Truck Stop

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Issue: A truck stop is changing ownership, and the existing onsite sewage treatment system is noncompliant. The truck stop includes a full-service restaurant, convenience store and shower facilities. A major chain submarine shop will also be added. The onsite system includes 26,000 gallons in treatment tank capacity, a recirculating gravel filter and 16 septic mounds…

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Chicken Egg Processing Plant

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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 of 1,500 mg/L. Action: Install 2 MBD-12 aerators. Odor improves; results are less than expected. New…

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Pig Nursery Lagoon Odor Reduction

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I 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 is 12,100 mg/L Lagoon HPC (Heterotrophic Plate Count) is 750,000 cfu/ml Lagoon TKN is 1,080 mg/L Lagoon TSS is 6,180 mg/L Malodor is high Action: Install six 2 HP MBD…

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Energy Savings

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Before: Lagoon with 7 surface aerators totaling 28 HP.  After: Identical capacity lagoon with 4 MBD (Micro Bubble Diffusion) aerators totaling 8 HP.

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Winter Performance

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Before: Other surface aerator – frozen conditions limit oxygen transfer.. After: Same facility, different lagoon. Open area of water with higher oxygen transfer with MBD (Micro Bubble Diffusion) in winter.

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Sludge Reduction

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  Issue: An Iowa wastewater treatment facility has a three-pond lagoon system that receives 300,000 GPD influent. Sludge levels are 26″ – 32″ in cell one and sludge removal is required. In 2001, the estimated expense to waste the lagoons and make the associated equipment repairs was approximately $300,000. Action: Four 2-HP Micro Bubble Diffuser…

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Once we hired you, all our septic problems stopped. — Jim, satisfied commercial customer

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We reduced maintenance and headaches with Micro Bubble Diffusion aerators. — Dennis White, Region Manager of People Service, Inc.

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Raingarden Design

Raingardens are an effective way for homeowners to treat and infiltrate stormwater or surface water runoff during rain events. Designing a rain garden can involve some basic math and a little bit of creativity. Main features of a rain garden: Shallow (4” to 12” max. deep) depressions Surface should be dry in 48 hours or…

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Shoreline Restoration

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Issue:  A lakeshore owner on Big Sandy Lake near McGregor, MN has a steep sandy shoreline with severe erosion problems. A large portion of the sandy shoreline has eroded away, causing the existing vegetation and trees to fall in the lake. Action:  A shoreline stabilization project is designed by the local Soil and Water Conservation…

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