Oklahoma Administrative Code
Title 252 - Department of Environmental Quality
Chapter 619 - Operation and Maintenance of Non-Industrial Total Retention Lagoon Systems
Subchapter 1 - General Provisions
Section 252:619-1-2 - Definitions

In addition to the definitions contained in the Environmental Quality Code (27A O.S. § 2-1-101 et seq.), the following words and terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise:

"Bypass" means the intentional or unintentional diversion of wastes or wastewater from any portion of a total retention lagoon system.

"Cell" means an individual basin of a total retention lagoon system.

"Collection system" means pipelines or conduits, manholes, pumping stations, force mains and all other structures used to collect and conduct wastewater to a total retention lagoon.

"DEQ" means the Oklahoma Department of Environmental Quality.

"Dike" means a bank, usually composed of earth, which is constructed to control or confine wastewater within a lagoon.

"Discharge" means any intentional or unintentional release by leaking, pumping, pouring, emitting, emptying, dumping, escaping, seeping, overflowing, leaching or other means of release of wastes or wastewater into any waters of the State or into or on any location where they may enter waters of the State.

"Domestic wastewater" means wastewater that generally originates as human waste from certain activities including using toilet facilities, washing, bathing, preparing foods and washing laundry.

"Freeboard" means the vertical distance from the surface water level in the lagoon to a point that is even with the top of the dike.

"Lagoon" means a soil or lined basin, either below or above ground level, that is designed, maintained and operated to store, recycle and/or treat municipal/domestic wastewater.

"Land application" means the application of treated wastewater to a vegetated land surface with the applied wastewater being further treated as it flows through the plant-soil matrix.

"Liner" means a barrier that is designed, constructed and installed in a lagoon and which has appropriate chemical and physical properties to control the seepage or release of wastes and wastewater from the lagoon.

"Municipal wastewater" means wastewater originating from a community that is composed primarily of domestic wastewater.

"Operator" means the individual who is properly certified by DEQ and who is responsible for the maintenance and operation of a total retention lagoon system.

"Person" means any individual, company, corporation, government agency, municipality, or any other entity whatsoever.

"Septic" means bacterial activity in the absence of oxygen. This condition may cause enhancement of the growth of anaerobic bacteria and production of unpleasant odors.

"Total retention lagoon" means a non-industrial wastewater lagoon that is designed and constructed without a discharge structure. A lagoon that was originally designed and constructed to discharge but has since had the discharge structure permanently sealed may be considered a total retention lagoon.

"Total retention lagoon system" includes the collection system, the total retention lagoon and the land application site.

Added at 22 Ok Reg 1471, eff 6-15-05