13. (0.1) Every person constructing a new well shall comply with the requirements set out in this section.  O. Reg. 372/07, s. 13 (1). (1) Casing and well screen shall be new material.  O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (2). (2) Subsection (1) does not apply to a test hole or dewatering well if abandonment of the test hole or dewatering well is scheduled to take place not later than 180 days after completion of the structural stage of the test hole or dewatering well.  O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (3). (3) Casing and well screen shall be clean and free of contamination.  O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (4). (4) Casing and well screen shall not impair the quality of water with which it comes in contact.  O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (5). (5) Casing shall be watertight.  O. Reg. 128/03, s. 16. (6) Any seams in casing shall achieve a permanent watertight bond.  O. Reg. 128/03, s. 16. (7) If concrete casing is used, (a) the concrete casing sections shall be fully cured and commercially manufactured; (b) the concrete casing sections shall be properly aligned in the well so that the joints are flush and the casing is centred; and (c) the concrete casing sections shall be joined with a mastic sealing material that remains pliable and waterproof and that is approved for potable water use by NSF International.  O. Reg. 372/07, s. 13 (6). (8) A well that obtains water from overburden shall be cased from the water intake zone to at least 40 centimetres above the highest point on the ground surface within three metres radially from the outside of the casing, after the surface drainage conforms with section 12.3, as measured on completion of the well’s structural stage.  O. Reg. 372/07, s. 13 (6). (9) A well that obtains water from bedrock shall be cased from the bedrock to at least 40 centimetres above the highest point on the ground surface within three metres radially from the outside of the casing, after the surface drainage conforms with section 12.3, as measured on completion of the well’s structural stage.  O. Reg. 372/07, s. 13 (6). (10) Subsections (8) and (9) do not require a cased well to be cased to the height set out in those subsections if, (a) the well is made by the use of a jetted point or driven point; (b) the well is cased, from the highest point on the ground surface within three metres radially from the outside of the casing, after the surface drainage conforms with section 12.3, to, (i) the water-producing zone, if the well obtains water from overburden, or (ii) the bedrock, if the well obtains water from bedrock; (c) the top of the casing is above ground at a height sufficient to permit attachment of the well tag; and (d) a permanent marker identifies the location of the well and is visible at all times of the year.  O. Reg. 372/07, s. 13 (6). (11) Subsections (8) and (9) do not require a cased test hole or cased dewatering well to be cased above the ground surface if, (a) the well is located where vehicle or pedestrian traffic is likely to pass directly over the well; (b) the well is completed with a flush-mounted watertight commercially manufactured well cover sufficient to prevent entry of surface water and other foreign materials into the well; and (c) the well cover is sufficiently strong, durable and well-installed to protect the well from damage, or the well cover is covered with a metal plate that is sufficiently large and sufficiently strong, durable and well-installed to protect the well cover and the well from damage.  O. Reg. 372/07, s. 13 (6). (11.1) A test hole or dewatering well is not required to be cased if, (a) abandonment of the test hole or dewatering well is scheduled to take place not later than 30 days after completion of the structural stage of the test hole or dewatering well; and (b) the person constructing the well covers the upper open end of the well securely in a manner sufficient to prevent the entry of surface water and other foreign materials whenever the well is left unattended.  O. Reg. 372/07, s. 13 (6). (11.2) A well that is required to be cased shall, despite subsections (8), (9) and (10), (a) have at least six metres of casing below the level of the original ground surface, unless clause (b) applies; or (b) have at least 2.5 metres of casing below the level of the original ground surface, if a casing that extended to six metres below the level of the original ground surface would not permit the use of the only useful aquifer.  O. Reg. 372/07, s. 13 (6). (11.3) Subsection (11.2) does not apply to at test hole or dewatering well.  O. Reg. 372/07, s. 13 (6). (12) The casing of a drilled well that obtains water from bedrock, other than from the weathered bedrock zone, shall be sealed into the bedrock with suitable sealant to prevent impairment of the quality of the ground water and the water in the well.  O. Reg. 372/07, s. 13 (7). (13) Subsection (12) does not apply to a test hole or dewatering well.  O. Reg. 128/03, s. 16. (14) If a well is constructed with a well pit pursuant to subsection 12 (8), (a) subsections (8) and (9) do not require the well to be cased above the ground surface; and (b) the well pit shall be cased from the bottom of the well pit to at least 40 centimetres above the highest point on the ground surface within three metres radially from the outside of the well pit casing, after the surface drainage conforms with section 12.3, as measured at the time the well pit is completed.  O. Reg. 372/07, s. 13 (8). (15) Revoked:  O. Reg. 372/07, s. 13 (8). (16) The following are the minimum specifications for casing: 1. The outer permanent casing in double walled casing constructions must be steel pipe that conforms to one of the following: i. ASTM A252, “Standard Specification for Welded and Seamless Steel Pipe Piles”, as it may be amended from time to time. ii. ASTM A500/A500M, “Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes”, as it may be amended from time to time. 2. Steel casing with an inside diameter of more than 50.8 millimetres must have a nominal wall thickness of 4.78 millimetres and a minimum wall thickness of 4.18 millimetres and must conform to one of the following: i. For Grade B pipe, ASTM A53/A53M, “Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless”, as it may be amended from time to time. ii. For Grade B pipe, ASTM A589/A589M, “Standard Specification for Seamless and Welded Carbon Steel Water-Well Pipe”, as it may be amended from time to time. iii. For Grade B pipe, ANSI/AWWA C200, “Steel Water Pipe, 6 In. (150 mm) and Larger”, as it may be amended from time to time. iv. For Grade B or C pipe, ASTM A500/A500M, “Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes”, as it may be amended from time to time. v. For Grade B copper-bearing steel pipe, the steel, A. contains a minimum of 0.20 per cent copper, and B. conforms to ASTM A139/A139M, “Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)”, as it may be amended from time to time. vi. For Grade B carbon steel pipe, ASTM A139/A139M, “Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)”, as it may be amended from time to time. vii. For carbon steel pipe, API Specification 5L, “Specification for Line Pipe”, as it may be amended from time to time. viii. For Type 4 high-strength, low-alloy steel pipe, ASTM A606/A606M, “Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance”, as it may be amended from time to time. ix. For stainless steel pipe, ASTM A778/A778M, “Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products”, as it may be amended from time to time. 3. Steel casing with an inside diameter of 50.8 millimetres or less must have a nominal wall thickness of 2.77 millimetres and a minimum wall thickness of 2.41 millimetres and must conform to one of the following: i. For Grade B pipe, ASTM A53/A53M, “Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless”, as it may be amended from time to time. ii. For Grade B pipe, ASTM A589/A589M, “Standard Specification for Seamless and Welded Carbon Steel Water-Well Pipe”, as it may be amended from time to time. iii. For Grade B pipe, ANSI/AWWA C200, “Steel Water Pipe, 6 In. (150 mm) and Larger”, as it may be amended from time to time. iv. For Grade B or C pipe, ASTM A500/A500M, “Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes”, as it may be amended from time to time. v. For Grade B copper-bearing steel pipe, the steel, A. contains a minimum of 0.20 per cent copper, and B. conforms to ASTM A139/A139M, “Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)”, as it may be amended from time to time. vi. For Grade B carbon steel pipe, ASTM A139/A139M, “Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)”, as it may be amended from time to time. vii. For carbon steel pipe, API Specification 5L, “Specification for Line Pipe”, as it may be amended from time to time. viii. For Type 4 high-strength, low-alloy steel pipe, ASTM A606/A606M, “Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance”, as it may be amended from time to time. ix. For stainless steel pipe, ASTM A778/A778M, “Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products”, as it may be amended from time to time. 4. Galvanized steel casing that is corrugated and that is used in bored or dug wells must be 18 gauge and must conform to one of the following: i. For Grade B pipe, ASTM A53/A53M, “Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless”, as it may be amended from time to time. ii. For Grade B pipe, ASTM A589/A589M, “Standard Specification for Seamless and Welded Carbon Steel Water-Well Pipe”, as it may be amended from time to time. iii. For Grade B or C pipe, ASTM A500/A500M, “Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes”, as it may be amended from time to time. 5. Concrete casing with an inside diameter of 60.96 centimetres or more must have a nominal wall thickness of 5.08 centimetres. 6. Plastic casing must be approved for potable water use under NSF/ANSI/CAN 61, “Drinking Water System Components — Health Effects”, as it may be amended from time to time, and must conform to ASTM F480, “Standard Specification for Thermoplastic Well Casing Pipe and Couplings Made in Standard Dimension Ratios (SDR), SCH 40 and SCH 80”, as it may be amended from time to time. 7. Fibre-reinforced plastic casing must be manufactured from virgin resin and virgin fibres and must be approved for potable water use under NSF/ANSI/CAN 61, “Drinking Water System Components — Health Effects”, as it may be amended from time to time. 8.  Revoked: O. Reg. 461/19, s. 3. O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (9, 10); O. Reg. 461/19, s. 3. (17) Subsection (16) does not apply to a test hole or dewatering well.  O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (11). (18) The casing used in a well shall be continuous casing.  O. Reg. 128/03, s. 16. (19) Joints in casing are prohibited, except for joints that, (a) achieve a permanent, watertight bond, such as welded steel joints; and (b) are made so that the jointed casing does not impair the quality of water with which it comes in contact.  O. Reg. 128/03, s. 16. (20) The annular space between casings of different diameters shall be sealed with suitable sealant to prevent the entry into the well of surface water and other foreign materials.  O. Reg. 128/03, s. 16; O. Reg. 372/07, s. 13 (12). (21) No person shall ground a lightning rod by attaching it, directly or indirectly, to the casing of a well.  O. Reg. 128/03, s. 16.