Ind. Admin. Code tit. 327, r. 8-3.4-11
Authority: IC 13-14-8; IC 13-15-1-2; IC 13-15-2-1; IC 13-18-3-1; IC 13-18-4-1
Affected: IC 13-11-2; IC 13-13-5-1; IC 13-18-2
Sec. 11. (a) The minimum inside diameter of a production well casing shall be five (5) inches.
(b) The minimum inside diameter of a production well casing shall be in accordance with the following table: For a pump assembly with an outside diameter of between four (4) inches and twenty-two (22) inches but not appearing on this table, linear interpolation shall be used to determine the minimum inside diameter of the production well casing. For a pump assembly with an outside diameter greater than twenty-two (22) inches, the minimum inside diameter of the production well casing shall be at least one and twenty-five hundredths (1.25) times the outside diameter of the pump assembly.
| Table 11-1 | |
| Production Well Casing Minimum Diameter Requirements (inches) Based on Outside Diameter of Pump Assembly | |
| Outside Diameter of Pump Assembly | Minimum (Actual) Inside Diameter of Well Casing |
| 4 | 5 |
| 5 | 6 |
| 6 | 8 |
| 8 | 10 |
| 10 | 12 |
| 12 | 14 |
| 14 | 16 |
| 16 | 20 |
| 18 | 22 |
| 20 | 24 |
| 22 | 26 |
(Water Pollution Control Division; 327 IAC 8-3.4-11; filed Jun 17, 1999, 1:50 p.m.: 22 IR 3373; readopted filed Jan 10, 2001, 3:23 p.m.: 24 IR 1518; readopted filed Nov 21, 2007, 1:16 p.m.: 20071219-IR-327070553BFA; readopted filed Jul 29, 2013, 9:21 a.m.: 20130828-IR-327130176BFA; readopted filed Jun 14, 2019, 1:59 p.m.: 20190710-IR-327190246BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)