1. (a) Each septic tank shall have an inlet baffle and an outlet baffle that are:

   1. (1) Vertically plumb;
   2. (2) Secured to the inlet pipe or outlet pipe, as applicable, using stainless steel screws;
   3. (3) Plastic vented tees that extend above the liquid line inside the septic tank to not less than one inch from the interior bottom of the top slab of the septic tank or cover; and
   4. (4) Visible within the access port on the tank, so the interior of the baffle can be inspected, allowing accessibility and maintenance.

2. (b) The inlet baffle shall:

   1. (1) Divert the incoming sewage downward; and
   2. (2) Penetrate at least 6 inches below the liquid level, but in no case greater than the depth of the outlet baffle.
3. (c) The outlet baffle shall extend to a distance below the surface of the liquid equal to 40% of the liquid depth.

Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36