Water quality: Aquatic pesticides permit

You only need a permit to apply pesticides if you apply them in or next to a drainage-way, ditch, canal, stream, wetland, creek or other surface water.
Pesticide general permit
Sampling conducted by the division to establish baseline pesticide data set for each major Colorado watershed.
Pesticide waste disposal information from the Colorado Department of Agriculture

EPA materials

Contact us
John Nieland   303-692-3553 
Tristan Acob    303-692-6398