Lake Weed Removal POLLUTANTS ADDRESSED: milfoil, curly-leaf pondweed, hydrilla, water lilies, and algae
DESCRIPTION: Many lakes are dominated by dense growths of aquatic weeds, because they are quite shallow, and influenced by nutrient rich bottom sediments. Lake management must resort to in-lake treatment practices such as harvesting, dredging, water level manipulations or applications of herbicides.
ADDITIONAL BENEFITS: Safe waterbodies for recreational activities.
LOAD REDUCTION MECHANISM: These species create dense beds of aquatic weeds that cause nuisance conditions for lake users, making it unpleasant to swim, hard to operate boats, and difficult to maintain open water areas.
ALTERNATIVE MANAGEMENT MEASURES: Dredging, water level manipulations or applications of herbicides.
POTENTIAL TREATMENT AREAS: Lakes in agricultural/ranch lands Lakes in development lands
PERMITTING REQUIREMENTS: Requirements vary by location. A permit under sections 404 and 401 of the Clean Water Act and from AZDPS before the use of herbicides is used in a waterbody.
LAND USE CLASSIFICATION: Agricultural and Ranch Lands Disturbed Areas Urban Lands
Contact county regional flood control district
Arid Southwest BMP
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