1.   Applications of pesticides to surface waters of the state require authorization under the General Rule 97 Certification of Approval Authorizing Mosquito Control in Surface Waters (Certification R97-11/003).  Surface waters of the state include the following:

• The Great Lakes and their connecting waters.
• All inland lakes.
• Rivers.
• Streams.
• Impoundments.
• Open drains.
• Wetlands.
• Other surface bodies of water within the confines of the state.

The General Rule 97 Certification process is initiated by submittal of a  Notification of Intent  by the applicant.  The certification authorizes treatment of surface waters using pesticides specified in Certification R97-11/003.  Please note that the use of any pesticide, or any pesticide application to waters of the state, that is not authorized by Certification R97-11/003, must be authorized under an  Individual Rule 97 Certification of Approval . 

Upon acknowledgement from the DEQ that a Notification of Intent has been received, the applicant is authorized to commence pesticide treatment of surface waters in compliance with the certification.  Acknowledgement of receipt of the Notification of Intent by the DEQ can be determined at www.michigan.gov/deq  utilizing the DEQ Site Map or by contacting Ms. Diana Butler at 517-335-3044 or by e-mail at butlerd@michigan.gov .

2.   For applications of pesticides to catch basins and/or waters in a storm sewer system or wastewater treatment system that are covered by a National Pollutant Discharge Elimination System (NPDES) permit, an approval under the  Water Treatment Additive  approval process is necessary.  This includes municipalities, industries and storm water sewer systems under the Phase I and Phase II storm water regulations.