Authority: IC 13-13-5-1; IC 13-14-8; IC 13-14-9; IC 13-15-1-2; IC 13-15-2-1; IC 13-18-2; IC 13-18-3-1; IC 13-18-4-1

Affected: IC 13-11-2; IC 25-31

Sec. 1. In addition to the definitions in IC 13-11-2 and 327 IAC 8-3-1, the following definitions apply throughout this rule:

1. (1) "100-year flood" means a flood with an occurrence probability of one percent (1%) each year as determined by the Indiana department of natural resources.

2. (2) "Accessories" means the constituent elements of a water main, such as the following:

   1. (A) Pipes.
   2. (B) Fittings.
   3. (C) Valves.
   4. (D) Pumps.
   5. (E) Hydrants.
3. (3) "ASTM standards" means the recommended standards certified by the American Society for Testing and Materials.
4. (4) "AWWA/ANS standards" means the American National Standard approved by the American Water Works Association.

5. (5) "Dead-end main" means a portion of a water main that has:

   1. (A) flow in only one (1) direction; and
   2. (B) no planned future extension.
6. (6) "Fire flow" means the rate of water flow intended for providing fire protection.
7. (7) "Nonpermeable" means to be constructed of ductile iron with solvent-resistant gasket materials or welded steel pipes.

8. (8) "Transmission main" means any pipe that:

   1. (A) transports water from a:

      1. (i) surface water intake to a surface water treatment plant; or
      2. (ii) well to a water treatment plant;

   2. (B) transports:

      1. (i) finished water from the treatment plant to the entry point to the water distribution system; or
      2. (ii) water from a well to the entry point to the water distribution system if there is no water treatment plant; or
   3. (C) is installed for the purpose of interconnecting separate public water systems.

(Water Pollution Control Division; 327 IAC 8-3.2-1; filed Mar 31, 1999, 1:50 p.m.: 22 IR 2500; readopted filed Jan 10, 2001, 3:23 p.m.: 24 IR 1518; filed Apr 24, 2006, 3:00 p.m.: 29 IR 2952; 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)