Class I and Class II composting facilities shall meet the following design:

1. (1) Location restrictions. Facilities shall meet all location restrictions listed in Subchapter 5, Part 3 of this Chapter.
2. (2) Contact water control. Contact water must be segregated and directed to containment, recycling, and/or treatment systems.
3. (3) Stormwater run-on / run-off control. The composting area shall be designed, constructed and maintained to prevent the run-on / run-off of stormwater and be in compliance with Subchapter 17 including OPDES permitting, if required by OAC 252:606.

4. (4) All-weather pad. Composting areas shall be constructed of, or covered with, material which will allow operation during all types of weather.Composting operations shall take place on an all-weather composting pad. The all-weather pad must be designed, constructed, and maintained to:

   1. (A) prevent ponding and impede vertical movement of potential contaminants from contact water;
   2. (B) reliably transmit any free liquid present during the storage, treatment, and processing of materials laterally to a containment, recycling, and/or treatment unit sized to handle a minimum 24 hour, 25 year storm event to prevent liquids from entering surface water or groundwater; and
   3. (C) prevent conditions that could contribute to, or cause a release to the environment.

Added at 34 Ok Reg 1199, eff 9-15-17