I have been given these 2 links from Army Corps of Engineers
Reservoir layer: https://geospatial-usace.opendata.arcgis.com/datasets/03e322d7e89b48a9b48e9c3f4bcaf29e_0
Recreation area layer: https://geospatial-usace.opendata.arcgis.com/datasets/e314790ee1bb4eec982f0b669accb6fc_0
I want to explore all the other layers on this arcgis hub site.
https://transparentgov.net/json2tree/esri/online/hub.html
https://transparentgov.net/json2tree/esri/online/hub.html?filter_by=&org=https%3A%2F%2Fgeospatial-usace.opendata.arcgis.com%2F&url=https%3A%2F%2Fgeospatial-usace.opendata.arcgis.com%2F