Public Notices

Columbia Drainage Vector Control District has mosquito fish to distribute to the public at this time. You may submit a service request for delivery or come to the office and ask for assistance. If you choose to come to the office please bring your own container for transportation of fish.


The Columbia Drainage Vector Control District will be holding our yearly budget committee meeting May 27, 2021. The meeting will be held at the Vector Control District shop providing covid 19 restrictions allow. If we are unable to hold the meeting at our shop we will be holding our meeting via Teleconference. For more information please call our office at 503-397-2898. This is a link to our proposed budget.


Due to COVID-19, CDVCD is canceling all in person district board meetings.

CDVCD is also closing its office to the public in an effort to stop the spread of the virus.


Attention Columbia County,

Beginning in the month of February, Columbia Drainage Vector Control will be out treating for mosquitoes.

For questions and concerns, please call: 503.397.2898. Thanks!



CDVCD is doing a ‘Tick Survey’ this season from March – July 2019! If you have any kind of tick that you’d like to bring to us, please also try to give the following information about the tick if possible:

  1. Date of collection?
  2. Coordinates found at?
  3. Animal removed from?

Drop by the office at: 
58443 Old Portland RD. St. Helens, Or 97051.
Our hours are:
Mon – Fri (8 – 4:30).
Phone contact is: (503) 397-2898.
Thank you everyone!