Wells (R.R.O 1990, Reg. 903). Country/Territory Canada Territorial subdivision Ontario Document type Regulation Date 1990 (2019) Source FAO, FAOLEX Subject Water Keyword Well sinking/boreholes Waterworks Surface water Groundwater Standards Geographical area Americas, Arctic, Asia and the Pacific, East Pacific, North America, North Atlantic Abstract The present Regulations lays down provisions concerning the location, construction, maintenance and abandonment of wells. The text contains at the outset a definition clause relating to various terms employed therein, such as “air vent”, “annular space”, “aquifer”, “AWWA” (Aamerican Water Works Associations), “test hole”, “well owner”, “well recorder”, “shallow works”. The well owner shall maintain the well at all times after the completion date in a manner sufficient to prevent the entry into the well of surface water or other foreign materials. If a well is abandoned, the person abandoning the well shall ensure that the appropriate steps are taken. Furthermore, a well owner shall forthwith abandon a well that: a) produces salty, sulphurous or mineralized water; b) produces water that is not potable; c) contains natural gas or other gas; d) permits any movement of natural gas, contaminants or other materials between subsurface formations or between a subsurface formation and the ground surface; or e) is constructed in contravention of any provision of this Regulation dealing with the location or spacing of wells, the methods and materials used in the construction of wells or the standards of well construction.The text consists of 22 sections. Full text French Website www.gov.on.ca References - Legislation Implements Ontario Water Resources Act (R.S.O. 1990, c. O. 40). Legislation | Canada | 1990 (2021) Keyword: Framework law, Basic legislation, Water supply, Sewerage, Water quality standards, Waterworks, Freshwater resources management, Data collection/reporting Source: FAO, FAOLEX