Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 641. Individual and Small Public On-Site Sewage Treatment Systems |
Subchapter 7. Septic Tanks |
SECTION 252:641-7-1. General provisions
Latest version.
- (a) Once installed, septic tanks shall have no more than one inch (1") variation in elevation from side to side and end to end.(b) Septic tanks shall be constructed to prevent sewage from leaking out of the tank and to prevent the infiltration of water into the tank.(c) The bottom of the inlet pipe of a septic tank shall be at least one-eighth inch (1/8") per foot below the bottom of the building sewer pipe unless the wastewater is mechanically lifted.(d) Appendix I illustrates the requirements for a septic tank.