E Coli TMDL Mapper Layers

These layers were developed to illustrate point and nonpoint sources of E. Coli pollution as well as monitoring activities to address E. Coli pollution. Each sub-layer has extensive metadata describing how it was developed, additional resources, and applicable uses. For more information contact Chris Vandenberg at [e-mail].本数据集图层旨在直观呈现大肠杆菌（E. Coli）污染的点源与非点源类型，以及针对该污染开展的监测工作。每个子图层均附带详尽元数据，涵盖其开发流程、相关补充资源及适用范围。如需获取更多相关信息，请联系Chris Vandenberg，邮箱：[e-mail]。