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(C) Energy dissipators designed to decrease the velocity of run-off; and (D) Slope protection and erosion control measures, pursuant to Section 17779 of this Article. (2) Run-on controls designed to function as diversionary structures to intercept and convey water to collection facilities. (A) The run-on control system designed and constructed to prevent washout of waste during peak discharge from at least a 100 year frequency flood, and described in accordance with Title 23 , CCR, Subchapter 15, Section 2595(d) (2) . (f) The collection and holding facilities associated with run-off control systems shall perform in accordance with Title 23 , CCR, Subchapter 15, Section 2546 (4) . The following minimum standards shall be achieved. (1) The operator shall propose procedures for the disposal of solids and liquids accumulated in the collection and holding facilities. (2) Any leachate collection and holding facilities constructed pursuant to Section 17781 shall be maintained so that no run-off accumulates in these systems. When applicable, run-off accumulated in designated leachate collection and holding facilities shall be subject to requirements as specified in Section 17781 of this Article. (3) Collection and holding facilities shall be secured and maintained during the closure and postclosure maintenance period to prevent unauthorized access. (g) The run-on and run-off systems, and collection facilities in subsections (e) through (f) shall be designed and constructed to reflect the following: (1) The expected final contours for the site, pursuant to Section 17776 of this Article, and the planned drainage pattern; (2) The drainage pattern of the surrounding area and the possible effects on and by the regional watershed, (3) The connection with and design capacity of drainage facilities on adjacent and downstream properties. (4) The final grading design, pursuant to Section 17776 of this Article, to prevent rapid run-off. (5) Isolate uncontaminated surface waters from water that has come into contact with waste. (h) Holding facilities shall be designed and constructed so that they will not be overtopped during a 100 year, 24 hour frequency precipitation event and shall be maintained throughout the post-closure maintenance period. If the off-site channel (s) cannot accommodate flow from a 100 year, 24 hour frequency precipitation event the operator shall release the water downstream in a manner which shall not cause erosion or inundation of the off-site channel (s) . (1) The collection and holding facilities shall be designed and maintained pursuant to Chapter 3 , Article 7 . 6, Section 17715. III 7 .8-22 (6/18/90)