The National Strategy for The Physical Protection of Critical Infrastructures and Key Assets

Homeland Security Presidential Directive/HSPD-5

Homeland Security Act of 2002 (H.R. 5005)

Protection of Chemical and Water Infrastructure: Federal Requirements Actions of Selected Facilities, and Remaining Challenges

Guarding Against Terrorists and Security Threats: Suggested Measures for Drinking Water and Wastewater Utilities (Water Utilities)

Guarding Against Terrorists and Security Threats: Suggested Measures for Drinking Water

Instructions to Assist Community Water Systems in Complying with the Public Health Security and Bioterrorism Preparedness and Response Act of 2002

Security Vulnerability Self-Assessment Guide for Small Drinking Water Systems

Protocol to Secure Vulnerability Assessments Submitted by Community Water Systems to EPA: “Information Protection Protocol”

State FOIA Laws: A Guide To Protecting Sensitive Water Security Information (2002)