Authority: IC 13-14-8; IC 13-18-12-4

Affected: IC 13-18-12

Sec. 3. (a) A septage storage or treatment facility must be designed:

1. (1) in compliance with this article; and
2. (2) to prevent entry of storm water run-on from surrounding areas and control storm water run-off.

(b) The storage or treatment of septage is prohibited in an:

1. (1) earthen structure; or
2. (2) underground steel tank.

(c) Storage tanks of synthetic material, fiberglass, and aboveground metal tanks must comply with the following:

1. (1) The tank material and wall thickness must be adequately engineered to contain the contents.
2. (2) The tank must be watertight.
3. (3) A tank previously used to store a substance other than septage must be cleaned to remove all traces of the other substance prior to the addition of septage to the tank.
4. (4) The tank must be anchored, supported, and bedded to provide structural safety and prevent movement.
5. (5) An aboveground tank must be supported by a concrete base.

6. (6) The bottom of the storage tank must at all times be at least two (2) feet above:

   1. (A) the water table; and
   2. (B) bedrock.
7. (7) An aboveground tank must have protected shutoff valves for all inlet and outlet pipes.
8. (8) Vents on a tank must not allow disease vectors to enter the tanks.
9. (9) The tank must be constructed or designed to allow inspection and sampling of contents.
10. (10) An all-weather access road must be provided to the storage facility sites.

(Water Pollution Control Division; 327 IAC 7.1-5.1-3; filed Mar 3, 2022, 10:40 a.m.: 20220330-IR- 327140029FRA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)