Section 2546 - Precipitation and Drainage Controls(a) Class I waste management units and containment structures shall be designed and constructed to limit, to the greatest extent possible, ponding, infiltration, inundation, erosion, slope failure, washout, and overtopping under the precipitation conditions specified in Table 4.1 of this article.(b) Precipitation on Class I landfills or waste piles which is not diverted by covers or drainage control systems shall be collected and managed through the leachate collection and removal system, which shall be designed and constructed to accommodate precipitation conditions specified in Table 4.1 of this article.(c) Diversion and drainage facilities shall be designed and constructed to accommodate the anticipated volume of precipitation and peak flows from surface runoff under the precipitation conditions specified in Table 4.1 of this article.(d) Collection and holding facilities associated with precipitation and drainage control systems shall be emptied immediately following each storm or otherwise managed to maintain the design capacity of the system.(e) Surface and subsurface drainage from outside of a waste management unit shall be diverted from the waste management unit.(f) Cover materials shall be graded to divert precipitation from the waste management unit, to prevent ponding of surface water over wastes, and to resist erosion as a result of precipitation with the return frequency specified in Table 4.1 of this article.Cal. Code Regs. Tit. 23, § 2546
1. Amendment of subsections (a)-(d) and (f) filed 6-18-97; operative 7-18-97 (Register 97, No. 25). Note: Authority cited: Section 1058, Water Code. Reference: Sections 13172 and 13360, Water Code.
1. Amendment of subsections (a)-(d) and (f) filed 6-18-97; operative 7-18-97 (Register 97, No. 25).