14 CAR § 21-806. Holding tanks

(a) Holding tanks shall not be approved on sites acceptable for the installation of standard onsite wastewater systems as outlined in 14 CAR §§ 21-605 and 21-606. (b) Holding tanks shall be approved only for domestic waste from commercial establishments, excluding grocery stores and/or food service establishments. (c) Holding tanks shall not be approved for residencies, full-time or part-time. (d)(1) The minimum capacity of any holding tank shall be ten (10) times the estimated daily usage as outlined in Appendix B of this part or one thousand (1,000) gallons, whichever is greater. (2) When two (2) or more tanks are required to meet the holding capacity, detailed plans shall be submitted. (e)(1) A service riser with a minimum diameter of twelve inches (12”) and installed above ground surface shall be required on all holding tanks. (2) Service risers installed on holding tanks shall be adequately secured to prevent unauthorized access. (f) Facilities shall be maintained to allow a pumper vehicle to drive within ten feet (10’) of the service riser in all weather conditions. (g)(1) Proof of a notarized contract with a licensed septic tank cleaner shall be submitted with the application for construction. (2) The contact shall: (A) Provide for cleaning with twenty-four (24) hours of notification; and (B) State when the wastewater will be deposited. (h)(1) Holding tank contents shall not be land applied. (2) The contents of a holding tank shall only be disposed of by means of deposition into a municipal wastewater treatment plant with which the septic tank cleaner has permission to discharge. (i) Holding tanks shall comply with the specifications for septic tanks outlined in 14 CAR § 21-901 et seq. (j)(1) A visible and/or audible high-water alarm indicating when the tank has reached seventy-five percent (75%) capacity shall be installed inside the structure served by the holding tank. (2) Information on the alarm system’s brand name, manufacturer, use, and installation shall be provided with the submittal of plans. (3) The name of the licensed cleaner and his or her telephone number shall be displayed on the alarm. (k)(1) A monitoring contract is required. (2) See 14 CAR § 21-1101 et seq.