Provides information to assist in selecting & designing control measures for reducing pollutant discharges from combined sewer overflows (CSOs). This manual is useful for municipal public works staff, design engineers, & regulatory agency staff tasked with the development & review of facility plans & long-term CSO control programs. Extensive information on control in-system controls/in-line storage; off-line near-surface storage/sedimentation; deep tunnel storage; coarse screening; swirl/vortex; & disinfection. Charts & tables.