Indiana Administrative Code
Title 327 - WATER POLLUTION CONTROL DIVISION
Article 8 - PUBLIC WATER SUPPLY
Rule 3.4 - Public Water System Wells
Section 3.4-11 - Production well minimum diameter

Universal Citation: 327 IN Admin Code 3.4-11

Current through September 18, 2024

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:

Table 11-1

Production Well Casing Minimum Diameter Requirements (inches) Based on Outside Diameter of Pump Assembly

Outside Diameter of Pump Assembly 4 Minimum (Actual) Inside Diameter of Well Casing 5
5 6
6 8
8 10
10 12
12 14
14 16
16 20
18 22
20 24
22 26

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.

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