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The original item was published from 6/16/2023 10:09:42 AM to 7/17/2023 12:00:00 AM.

News Flash

Health Department

Posted on: June 16, 2023

[ARCHIVED] PADEP Ground Based Black Fly Suppression

A ground-based application of Vectobac 12AS (B.t.i.) is scheduled for Friday June 16, 2023, on the Neshaminy Creek in Bucks County.  It will begin after 10:00AM at the 611 Bridge in Doylestown and continue downstream until completion around Playwicki Park area in Langhorne.  

Treatments will be done where access to riffle areas is possible.  

This work will involve DEP personnel pouring Vectobac into the creek using jugs either from bridges or while wading. 

A marked DEP vehicle will be in the vicinity of all application areas. 

Any questions or concerns regarding this operation can be directed to Paul Mages, Aquatic Biologist II -  Phone: 215-327-1524
SDS sheets and product labels are listed below. 

For more information on the program please visit the Black Fly Program website: Black Fly (

Additional information:
Vectobac 12AS label
Vectobac 12AS SDS Sheet

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