Missisquoi Wetland Mapping Webinar. Join the DEC Wetlands Program for a webinar presentation about the updated Wetland Advisory Layer within the Missisquoi Basin. Knowing where wetlands are important for complying with regulations and protecting important wetland functions and values such as water quality protection and flood storage. Call-In Number: (802) 231-4834. Online Via Skype for Business. If you plan on attending, please RSVP here. For more information, contact Laura Lapierre.