This guide emphasizes the measures a water utility can take for better security against man-made threats. It covers the emergency preparedness plan, vulnerability assessments, mitigation measures for critical components, emergency response and recovery, and crisis communications. Supplied forms include a security checklist, system component list, potential biological and chemical threats, emergency contacts, and more. Forms are provided in print and on diskette. Spiral-bound. Managers and operations personnel of small to medium-size water utilities will find this guidebook very helpful as they assess and upgrade the physical and operational security of their systems!