The use of storage tanks is required for land application facilities. The storage tanks may be located on or off actual land application property.

1. (1) Storage tanks shall be:

   1. (a) Manufactured of material or treated to resist corrosion and rust.

      1. 1. Above ground tanks shall be constructed of steel, plastic, fiberglass, concrete, or some other material suitable for above ground use.
      2. 2. Underground tanks shall be constructed of plastic, fiberglass, concrete, or some other material suitable for underground use excluding steel.
   2. (b) Certified in writing by an engineer that they are suitable for intended use of storing septage or other permitted waste.
   3. (c) Equipped with a screening device to remove plastics, metals, and other debris.
   4. (d) Of sufficient capacity to handle anticipated volumes.
   5. (e) Devoid of holes, cracks, or defects to prevent the escape of septage.

2. (2) Storage tanks shall be easily accessible and adequate space shall be provided to safely maneuver vehicles.

   1. (a) Access to storage tanks at a land application facility shall be restricted to authorized persons and a sign shall be posted in the vicinity of the tanks to be clearly visible. The letters on the sign shall be a minimum height of 1 inch and the sign shall include, at a minimum, the words: "septage" and "no trespassing area."
   2. (b) See Table 3 for setback restrictions for storage tanks.
3. (3) A Spill Prevention and Control Countermeasure plan encompassing the storage tanks shall be prepared and submitted by a licensed professional engineer.
4. (4) The location of storage tanks shall not pose a threat or endangerment to surface waters; to groundwater or the aquifer; to public or private drinking water wells; to a residence or public contact site; or to wetlands, or otherwise cause a nuisance menacing public health.

Author: John-Paul O'Driscoll, Christie L. White, George B. Allison, Thad Pittman

Statutory Authority: Code of Ala. 1975, §§22-2-2(6), 22-10-1 et seq., 22-20-5, 22-26-1, 22-26-2, 22-26-3.

History: New Rule: Published December 31, 2020; effective February 14, 2021.