All wells other than geotechnical wells and drainage wells must have a secure well cap in place by October 31, 2007 to be in compliance with British Columbia's Ground Water Protection Regulation. Well caps are commercially available and can be installed by the qualified well pump installer or by the well owner. The well cap should be secured on the well at all times except when it is necessary to disinfect, or perform maintenance or repair work to the inside of the well or the well pump. The Regulation is available at