And conclusions -- Foreword -- Background -- The area. Cities and industries ; Stream system ; Flow reversal in Calmut River -- Water uses. Municipal water supply ; Industrial water supply ; Waterborne commerce ; Recreation ; Esthetics ; Waste disposal and assimilation -- Sources of wastes. Municipal wastes ; Combined sewer overflows ; Industrial wastes ; Federal installations ; Bulk storage areas and barges ; Vessel pollution -- Lake currents. Current considerations ; Relationship to municipal water supplies -- Effects of wastes on water quality and water uses. Water quality criteria ; Calmuet area streams ; Lake Michigan -- Corrective action needed.