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Lake and Reservoir Aeration

Diffused Aeration and De-Stratification Treatments

General Environmental Systems has successfully performed diffused aeration and de-stratification treatments to many water bodies across the country. We take great pride in our lake and reservoir aeration system installations that have been functioning at full capacity for more than 28 years. To demonstrate the effectiveness of our diffused aeration and de-stratification treatments, we have compiled a few case studies of our projects.

Uses	Municipal Water Supply Recreational Boating and Fishing
Problems	Excessive Algae Growth Low Dissolved Oxygen Levels Many Taste and Odor Complaints
Treatment	De-Stratification Diffused Aeration
Results to Date	100% Increase in Average Filter Run Length Aerobic Conditions Year Round Improved Overall Water Quality Increased Fish Density Major Reduction in Taste and Odor Complaints

Uses	Primary Water Supply
Problems	Algae Blooms Frequent Treatment Plant Upsets High Iron, Manganese, and Hydrogen Sulfide High THM Levels Wide pH Variations
Treatment	De-Stratification Diffused Aeration
Results to Date	Minimized Treatment Plant Upsets More Constant Quality and Chemistry Reduced Algae Biomass Reduced Iron to <0.2 Mg/L Reduced Manganese to <0.12 Mg/L

Uses	Primary Water Supply Recreational Boating and Fishing
Problems	High Iron, Manganese, and Hydrogen Sulfide Taste and Odor Episodes Toxic Blue-Green Algae Blooms Wide pH Variations
Treatment	De-Stratification Diffused Aeration
Results to Date	20% Reduction in Suspended Solids 39% Reduction in Chlorophyll 75% Reduction in Bio-Volume Consistent Lower pH, No Peaking Elimination of Toxic Blue-Green Algae Reduced Taste and Odor Problems

Uses	Municipal Water Supply Limited Recreational Fishing
Problems	DAF System Difficulties High Levels of Manganese Potassium Permanganate (KMnO4) Required
Treatment	De-Stratification Diffused Aeration
Results to Date	Eliminated Need for KMnO4 Fish Stocking Considered Due to Improved Water Quality Reduced Manganese Levels

Lake and Reservoir Aeration

Diffused Aeration and De-Stratification Treatments

Reach Optimal Water Quality Level

Diffused Aeration Case Studies

High Point, NC

Newfoundland, NJ

Cameron, MO

Cumberland, MD

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General Environmental Systems