Public-supply water service areas within the conterminous United States, 2017

This data release describes water service areas (WSA) for community water systems (CWS) within the conterminous United States, representing areas of active service...本数据集发布内容对美国本土（conterminous United States）范围内社区供水系统（community water systems, CWS）的供水服务区（water service areas, WSA）进行了说明，该类服务区即当前处于运营服务状态的区域范围。