40 CFR 258.26 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 190.01 To Part 259) — Environmental Protection Agency (Continued) (§ 190.01 To Part 259) — Solid Wastes (§ 239.1 To Part 259) — Criteria For Municipal Solid Waste Landfills (§ 258.1 To Appendix Ii To Part 258) — Operating Criteria (§ 258.20 To §§ 258.30-258.39) — Run-on/run-off control systems.

(a) Owners or operators of all MSWLF units must design, construct, and maintain:

(1) A run-on control system to prevent flow onto the active portion of the landfill during the peak discharge from a 25-year storm;

(2) A run-off control system from the active portion of the landfill to collect and control at least the water volume resulting from a 24-hour, 25-year storm.

(b) Run-off from the active portion of the landfill unit must be handled in accordance with § 258.27(a) of this part.