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Return to Lake Champlain Fish and Wildlife Conservation Office

Lake Champlain Sea Lamprey Control - Tentative Treatment Schedule and Advisory Updates

Updated November 6, 2026

HOTLINE: 888-596-0611

Tentative DateTimeWater BodyTownsMiles / Acres TreatedLampricide(s)In Effect / LiftedDate Lifted

21 September

(Zones 1 and 2 to be initiated at same time)

1200

Saranac River

River (Zone 1)  (Imperial Dam to Mouth)

Lake (Zone 2)

Plattsburgh, NY2.8 milesTFMLIFTED 
23 September0600

Saranac

Delta

Delta30 AcresBayluscideLIFTED 

15 October

(Zones 1 and 3 to be initiated at same time)

0500

Little Ausable River

River (Zone 1)  (Falls downstream of I-87 to Ausable Point Rd bridge)

Lake (Zone 3)

Peru, NY4.6 milesTFMLIFTED 

19 October

(Zones 2 and 3 to be initiated at same time)

2400

Ausable River

River (Zone 2)  (Rainbow Falls to Mouth)

Lake (Zone 3)

Chesterfield, NY

Ausable, NY

Peru, NY

6.6 milesTFMLIFTED 
22 October0600

Little Ausable / Ausable Complex

DELTA

DELTA150 acresBayluscideIN EFFECT 

04 November

(Zones 1 and 2 to be initiated at same time)

0600

Salmon River

River (Zone 1)  (RT-22 to Mouth)

Lake (Zone 2)

Plattsburgh, NY

Peru, NY

3.6 milesTFMIN EFFECT 
CANCELLED0600

Salmon

DELTA

DELTA80 AcresBayluscideCANCELLED 

27 October 

(Zones 1 and 2 to be initiated at same time)

0600

Great Chazy River

River (Zone 1)  (Whiteside Dam to Mouth)

Lake (Zone 2)

Champlain, NY

Chazy, NY

6.5 milesTFM

RIVER: LIFTED

LAKESHORE: IN EFFECT

 

29 October

(Zones 1 and 2 to be initiated at same time)

0600

Little Chazy River

River (Zone 1)  (RT-9 Dam to Mouth)

Lake (Zone 2)

Chazy, NY

Champlain, NY

4.2 milesTFM

RIVER: LIFTED

LAKESHORE: IN EFFECT

 

 

 

 

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