This publication provides introductory technical guidance for civil engineers, environmental engineers, and other professional engineers and construction managers interested in contaminated groundwater plume management. Here is what is discussed: 1. GROUND-WATER PUMPING SYSTEMS, 2. WELLPOINT SYSTEMS, 3. EXTRACTION/INJECTION WELL SYSTEMS' 4. SUBSURFACE BARRIERS, 5. SLURRY-TRENCH CUTOFF WALLS, 6. GROUT CURTAINS, 7. SHEET PILE CUTOFF WALLS, 8. MEMBRANES AND SYNTHETIC SHEET CURTAINS, 9. COMBINATION BARRIER/PUMPING SYSTEMS, 10. SUBSURFACE DRAINS AND DRAINAGE DITCHES