本文介绍了《生物恐怖主义法案》的背景信息和具体要求，具体讨论了该法案对服务于3300人以上的社区供水系统脆弱性评估的要求。给出了小型供水系统的案例研究和经验教训，并列出了额外的资源。包括数字。

This paper presents background information and specific requirements of the Bioterrorism Act, specifically discussing the act's requirement of vulnerability assessments for community water systems serving a population of greater than 3,300 people. Case studies and lessons learned for small water systems are given and additional resources are listed. Includes figure.