- (a) Subject to (b), below, a ledge tank shall be used only on a ledge lot as defined in Env-Wq 1002.
(b) A ledge tank may be used on a lot that is not a ledge lot if:
- (1) The location for the septic tank shown on the approved plan turns out to not be suitable, for example due to the presence of boulders;
- (2) There is no other suitable location for the septic tank; and
- (3) An amended plan is available at the final inspection in accordance with Env-Wq 1004.07.
- (c) To ensure adequate settling of solids when a ledge tank is used, total septic tank volume shall be twice the septic tank capacity specified in Env-Wq 1010.01 or Env-Wq 1010.02, as applicable. Such additional capacity may be achieved using 2 or more ledge tanks in series.
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