Public Notices

The January board meeting will be held at the district facility in St. Helens on the 24th at 6:30 PM.


Attention Columbia County,

For the month of April, Columbia Drainage Vector Control will be doing aerial applications of larvicide via helicopter.

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



CDVCD is doing a ‘Tick Survey’ this season from March – July 2018! 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!


Happy Spring Columbia County!!

It’s mosquito season yet again….so we’ve got our mosquito fish (Gambusia affinis) available at the St. Helen’s Office. Free to all Columbia County persons interested.

Hours: 8:00 am – 4:30pm (M-F)
58443 Old Portland Rd.
St. Helens, Oregon 97051
(503) 397 – 2898 (Office)

If your pond is very large, please call ahead to see if we have enough fish available for your needs. I’ll need a partly sunny day to acquire more! Thanks!

* Remember, mosquito fish are only for closed water systems: ponds, watering troughs, and the like. Thank you!!!!