These items include some of our most public popular content (by view count) of the year. Click on one to learn more or visit EGLE’s Maps and Data Portal to see more.

2. Gelman Site of 1,4-Dioxane Contamination

Published in July 2021, this web map provides historic and current information related to the investigation and remediation of the 1,4-Dioxane groundwater contamination in Scio Township and the west part of the City of Ann Arbor in Washtenaw County.

3. EGLE District Boundaries and Office Locations

Published in September 2021, this web app displays all of EGLE's offices locations and district boundaries.

EGLE's Top 3: New Story Maps from 2021

2. Tobacco River Flow Restored

Published in March 2021, this story map describes how the Tobacco River's flow has been restored following the lowering of the Edenville Dam spillway.

3. Worrisome Ice Areas

Published in February 2021, this story map highlights where hazardous areas and dangerous ice conditions will occur due to the lowering of water levels on the Tobacco River behind the Edenville Dam spillway.

EGLE's Top 3: New Open Data from 2021

2. Primary Sulfur Dioxide National Ambient Air Quality Standard Nonattainment Areas – 2010

Published in April 2021, this data outlines the statewide nonattainment areas (areas considered to have air quality worse than the national standards) for the 2010 Primary Sulfur Dioxide NAAQS as designated by the USEPA. This data is used in the Air Monitoring Sites web map. 

3. EGLE District Boundaries

Published in September 2021, this data outlines the layer boundaries of EGLE's districts. This data is used in the EGLE District Boundaries and Office Locations web app.