Deep sump catch basins shall comply with the following:
- (a) The contributing area shall not exceed 0.25 acres of impervious area;
- (b) The distance from the bottom of the outlet pipe to the bottom of the catch basin shall be at least 4 feet;
- (c) The diameter of the catch basin shall be at least 4 feet; and
- (d) A hooded outlet pipe shall be provided that extends at least one foot below the bottom of the outlet pipe.
Source. #9343, eff 1-1-09; amd by #9817-A, eff 12-1-10; ss by #12342 (formerly Env-Wq 1508.14); ss by #13758, eff 9-28-23 (formerly Env-Wq 1508.15); ss by #14472, eff 1-19-26, EXPIRES: 1-19-36