You can contact Snohomish County Community Rights info@sccr2017.org for more information, and to join and support their grassroots efforts towards protecting our fundamental rights to clean water and healthy environment by banning toxic use / spraying and massive destructive practices in the Skykomish River Watershed and by passing and enforcing the Skykomish River Watershed, Ecosystem Bill of Rights.

Forest Practice Application (FPA) for aerial pesticide spraying is valid for 3 years. Spraying can take place any time during those 3 years from the date of approval and may occur multiple times. Ground applications do not require permits or notifications.
There is no public information for private ground spraying.
Among multiple spray ingredients, the most popular of them are Glyphosate, Imazapyr, Atrazine, and 2,4-D.
Summary of DNR Silviculture Contracts has information for annual ground pesticide spraying by DNR.
What to do before, during and after toxic aerial spraying


2024 aerial spray applications for the Skykomish River Watershed:
Skykomish Resources LLC: 2819249
Pacific Denkman: 2819492
Sierra Pacific Industries (SPI): 2819265
Sierra Pacific Industries (SPI): 2819494
Sierra Pacific Industries (SPI): 2819495
Sierra Pacific Industries (SPI): 2819501
Sierra Pacific Industries (SPI): 2819510
Sierra Pacific Industries (SPI): 2819511
WA DNR Silviculture Contract # 3175 for 2024, NW Region and Maps – Conifer Release Ground Herbicide
Bid closed April 16, 2024

2023 active aerial spray applications for the Skykomish River Watershed:
Twin Peaks Lumber: 1819127

2022 active aerial spray applications for the Skykomish River Watershed:
Sierra Pacific Industries (SPI): 2818556
Twin Peaks Lumber: 281723

2021 active aerial spray applications for the Skykomish River Watershed:
Weyerhaeuser: 2818091
Starting July 19, 2021 for Snohomish, Skagit and Whatcom Counties: DNR Contract # 1941, Site Prep Ground Herbicide and Maps
2020 active aerial spray applications for the Skykomish River Watershed and map:
Sierra Pacific Industries (SPI): 2817507, 2817508, 2817509
2019 aerial spray applications for the Skykomish River Watershed and map:
EXPIRED Weyerhaeuser: 2816934 95 ac (Gold Bar area), 2817089 40 ac (Gold Bar area), 2817091 94.9 ac (Gold Bar area)
EXPIRED Sierra Pacific Industries (SPI): 2817035 10 ac (Sultan area), 2817036 80 ac (Sultan-Gold Bar area), 2817037 60 ac (Sultan-Gold Bar area)
EXPIRED WB Foresters: 2817139 76 ac (Sultan area)
2018 aerial spray applications for the Skykomish River Watershed:
EXPIRED Weyerhaeuser: 2816567 94.7 ac (Gold Bar area)
EXPIRED Sierra Pacific Industries (SPI): 2816517 46 acres (Sultan area, approved by DNR 8-31-2018, expires 8-31-2021)
EXPIRED Sierra Pacific Industries (SPI): 2816509 63 acres (Gold Bar area, approved by DNR 8-16-2018, expires 8-16-2021)
EXPIRED Weyerhaeuser: 2816330 146 acres (including 70 acres in the Gold Bar area, approved by DNR 4-27-2018, expires 4-27-2021)
2017 aerial spray applications for the Skykomish River Watershed:
EXPIRED Weyerhaeuser: 2815918 (Gold Bar area, approved by DNR 8-17-2017, expires 8-17-2020)
EXPIRED Sierra Pacific Industries (SPI): 2815962 , 2815963 (Gold Bar area); 2815964, 2815965, (Sultan area), 2815966 (Monroe area)
2016 aerial spray applications for the Skykomish River Watershed:
EXPIRED Campbell Global / Springboard Wallace Falls: 2815371 (Sultan and Gold Bar area, approved by DNR 9-20-2016, expires 9-20-2019)
EXPIRED Weyerhaeuser: 2815270 (Gold Bar area, approved by DNR 8-18-2016, expires 8-18-2019)
2015 aerial spray applications for the Skykomish River Watershed:
EXPIRED Campbell Global / Springboard Wallace Falls: 2814793 (Sultan and Gold Bar area, approved by DNR 9-15-2015, expires 9-15-2018)
EXPIRED Weyerhaeuser: 2814707 (approved by DNR 8-20-2015, expires 8-20-2018)
EXPIRED Springboard Wallace Falls: 2814705 by / Campbell Global (approved by DNR 8-19-2015, expires 8-19-2018)