Michigan Dept. of Environment, Great Lakes, and EnergySurface water features were downloaded from Michigan GIS Open Data (https://gis-michigan.opendata.arcgis.com) on August 30, 2019 and clipped to the general Gelman Sciences, Inc./ Pall Life Sciences Inc. (Gelman) Site of Contamination. The original file, Hydrography_Lines_v17a.shp, is part of the Michigan Geographic Framework which is maintained by the Center for Shared Solutions and Technology Partnerships and serves as the digital base map for State of Michigan government. The data is intended to serve as a common and standardized infrastructure on which all GIS users of 1:24,000 scale map data can be built into applications. Processing of the file was conducted by The Mannik and Smith Group, Inc. under contract with EGLE. For easier display and selection, features were dissolved and merged based on the Name and other ID fields. Linestyles and labels were applied to the features based on whether or not it was a named feature. Field Name Field Description FID Feature ID - unique identifier from original source FCC Michigan Geographi Framework Classification Code (see https://www.michigan.gov/-/media/Project/Websites/dtmb/Services/GIS/Appendices/Appendix_D_FCC_version_13.pdf?rev=98cd46f54fa84b5b865a97ac5431e0d9 for code definitions) NAME Feature Name NAME2 Secondary Feature Name NAME3 Tertiary Feature Name Group Used for symbolizing feature, either "Named Surface Water Feature" or "Unnamed Surface Water Feature" This data is used in the Gelman Site of 1,4-Dioxane Contamination web map ( item details ). If you have questions regarding the Gelman Sciences, Inc site of contamination contact Dan Hamel at 517-745-6595 or HamelD@michigan.gov . Report problems or data functionality suggestions to EGLE-Maps@Michigan.gov .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/e44cfc6109784ec1b07b714c2d0a3c5b_0engState of Michigan Open Data PortalPublicGelman Site of 1,4-Dioxane Contamination - Surface Water Features [Michigan]Web servicesMichiganLast Modified: 2025-09-04