MDEThis dataset represents the 62 Tier II catchments, or watersheds located within the State of Maryland coinciding with Tier II stream segments with no assimilative capacity. These catchments may overlap. This dataset is generated based on data collected between 2003-2015. Last Update: 9/11/2016 Contact: Angel D. Valdez, Antidegradation Implementation Lead Maryland Department of the Environment, 1800 Washington Blvd, Baltimore, MD 21230 Map Service Layer Link: https://mdewin64.mde.state.md.us/arcgis/rest/services/MDE_Water_Quality/MD_TierIIHighQualityWaters_2016/MapServer/2ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/c83e66c46c694ffb9b99bda1dc507ed0_2engMaryland iMapPublicMaryland Department of the Environment Water Quality - Tier II Catchments 2016 [Maryland]Web servicesMaryland2016