NotificationsSubscribe for automatic notifications below. Halloween Trick-or-Treat Post date: Tuesday, October 7, 2014 - 08:50 Farmington Township Halloween Trick-or-Treat is scheduled for Friday, October 31 from 6-8 PM. Brine Treatment Post date: Thursday, April 24, 2014 - 14:45 Farmington Township will be spraying brine on various township roadways. Any concerned landowner with a water system located closely to a township roadway should notify the township as soon as possible. Click to watch this page and be emailed about updates.