The Office of Indiana State Chemist is temporarily located in AGAD, Room 18 (basement).
Visitor paid parking is available in the Harrison Street Garage.
Our mailing address remains the same (175 S. University Street, West Lafayette, IN 47907-2063).
Permits and Pesticide Use
Question: Do I need an NPDES permit to apply a pesticide IN, OVER, or NEAR WATER in Indiana?
Answer: Beginning April 11, 2011, applications for pests such as: Adult Mosquitos, Mosquito Larvae, Aquatic Weeds and Forest Canopy Pests over Water probably require an NPDES permit. View more details about plans for implementing the Pesticide NPDES Permitting under the Clean Water Act. (pdf, 74kb)