- (a) Minimum horizontal distances shall be used only where ideal conditions indicate them to be sufficient and greater distances shall be required where local conditions demand, as found in 14 CAR § 21-502.
- (b) Waivers except with public water supplies involved shall be submitted to and approved by the Department of Health.
- (c) Waivers affecting public water supplies shall be submitted to and approved by the Engineering Section of the Department of Health.
- (d) Details pertaining to local water wells, such as depth, type of construction, and vertical zone of influence, together with data on the geological formations and porosity of subsoil strata, should be considered in determining the safe allowable distance between wells and onsite wastewater systems.