Cowlitz County Mosquito Control District is here to serve you in Cowlitz County, we respect that you may wish to avoid exposure to mosquito control products for various reasons (medical, organic farm, Bees, etc.). The District maintains a list of “no spray” properties where we avoid using mosquito control products. If you wish to be adding to our No Spray List or have any questions or concerns please visit our Contact Page and fill out the online form or give us a call.