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IN-LAKE TREATMENT
PLANNING & PERMITTING

NEW ENGLAND

Alum treatment boat

To address the threat of internal phosphorus loading on water quality health and the risk of cyanobacteria blooms, FBE assesses internal phosphorus loading dynamics to identify appropriate in-lake treatment options. With Laura Diemer on our team--one of the only two Certified Lake Managers (CLMs) for New Hampshire through the North American Lake Management Society (NALMS)--FBE has successfully planned, permitted, coordinated, and/or monitored two alum treatments for phosphorus control in New England: Long Pond in Parsonsfield, ME (2022) and Lake Kanasatka in Moultonborough, NH (2024). Laura is currently leading another alum treatment for Partridge Lake in Littleton, NH. She works closely with state agencies on the planning and permitting process to ensure the safety and effectiveness of these treatments.

Alum treatment on Lake Kanasatka
Alum treatment on Lake Kanasatka
Alum treatment on Lake Kanasatka
Alum treatment on Lake Kanasatka
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© 2025 by FB Environmental Associates.

97A Exchange Street, Suite 305, Portland, ME 04101  |  383 Central Avenue, Suite 267, Dover, NH 03820     

   (207) 221-6699  |   (603) 828-1456

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