PART 220 — DESIGN CRITERIA FOR DAM AND LAKE PROJECTS [ 33 CFR 220 ]PART220 — DESIGN CRITERIA FOR DAM AND LAKE PROJECTS [ 33 CFR 220]Table of Contents§ 220.1 — Low level discharge facilitiesfor drawdown of impoundments.[Last FR update: 08/22/1975 ]§ 220.1 Low level discharge facilities fordrawdown of impoundments.(a) Purpose.This regulation states the policy,objectives, and procedures in regard to facilities for drawdown of lakes to beimpounded by Civil Works projects.(b) Applicability.This regulation is applicableto all Divisions and Districts having responsibility for design of Civil Worksprojects.(c) Policy.It is the policy of the Chief ofEngineers that all future lakes impounded by Civil Works projects be providedwith low level discharge facilities to meet the criteria for drawdown set forthin this ER. Low level discharge facilities, capable of essentially emptying thelake, provide flexibility in future project operation for unanticipated needs,such as, major repair of t...