Water Clarification & Nutrient Inactivation Treatments

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Water Clarification & Nutrient Inactivation Treatments

For chronic algae blooms or highly colored water, treatment with alum (aluminum sulfate) can be an appropriate and very effective management strategy. In addition to the many larger lakes treated by Aquatic Control to precipitate/inactivate phosphorus, we have found that the treatment of small ponds with alum also provides improvements in water clarity and reduction of algae “scum”. For waterbodies with low ph, we also commonly apply a buffer compound along with the alum. Aquatic Control has the most northeast alum treatment experience on both large and small waterbodies. Aquatic Control has completed a number of surface and hypolimnetic (bottom) alum treatments. These include Lake Morey (VT), Kezar lake (NH) and Cochnewagon Lake (ME) - three of the nation's largest and to date, most successful alum restoration projects.

Representative Projects

Cochnewagon Lake - Monmouth, Maine
Lake Morey - Fairlee, Vermont
Kezar Lake - North Sutton, New Hampshire
Lake Saltonstall Reservoir - East Haven, Connecticut
Fells Reservoir - Stoneham, Massachusetts
Lake Pocotopaug - East Hampton, CT
Ashumet Pond - Mashpee/Falmouth, Massachusetts
Spy Pond – Arlington, Massachusetts
Morses Pond - Wellesley, Massachusetts
Martins Pond - North Reading, Massachusetts
Sluice Pond - Lynn, Massachusetts