Recent Updates/Changes to EnviroAtlas
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Beginning 2023, this list of changes includes, but is not limited to, new features, new data, and latest updates.
| Date | Type | Title | Description | Link (if available) |
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| 07/2023 | New Data | San Diego, CA high- resolution data | Fine-scale 1-meter resolution data and map layers added for a new urbanized community area. | |
| 07/2023 | New Data | Tacoma, WA high-resolution data | Fine-scale 1-meter resolution data and map layers added for a new urbanized community area. | |
| 10/2022 | New Data | Watershed Resources Registries (WRRs) Featured Collection |
This map collection will help environmental professionals and water resource stakeholders explore nationally available data on landcover, water and soil, agriculture, wetland presence, species diversity, and potential project opportunity areas related to WRRs. |
https://enviroatlas.epa.gov/enviroatlas/interactivemap/?featuredcollection=60355909a1eb4ccb90ea88118b10b4a7 |
| 08/2024 | Updated Functionality | Individual Data Downloads |
The ability to download individual datasets has been temporarily disabled as we enhance the data download feature. After the upgrade, users will be able to download individual datasets and spatial data subsets with improved functionality. |
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| 08/2023 | Updated Functionality | Decommissioning ECAT | ECAT is currently unavailable due to an incompatibility introduced by a recent necessary software update. Our team is actively exploring options to replace this functionality. | |
| 06/2023 | New Data | Animal Feeding Operations (AFOs) data | Summarizes numbers of animals and Animal Feeding Operations (AFOs) by type and county | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_414 |
| 10/2023 | Updated Data | Assessed and Impaired Water Areas | Combines impaired and assessed waters and allows user to specify the type of geography they would like to display | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_447 |
| 01/2023 | New Tool | Summarize My Area Tool | The tool, denoted as the sigma symbol, allows users to calculate landscape characteristic metrics for any area of interest using current or historic land cover or land cover change statistics | https://enviroatlas.epa.gov/enviroatlas/interactivemap/ |
| 10/2023 | New Data | Stream Confluence Catchments and Watershed | National dataset which classifies a waterbody's ability to function on a scale of "poor" to "good" | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_411 |
| 07/2023 | Updated Toolbox |
Dasymetric Toolbox |
Allows users to more accurately distribute population data that has been assigned to arbitrary boundaries, such as census blocks | https://www.epa.gov/enviroatlas/dasymetric-toolbox |
| 07/2023 | Updated Data | Dasymetric Allocation of Population | Data recalculated for 2010 and new data added for 2020. Improved analyses allow a more accurate representation of population density. | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_714 |
| 05/2023 | Updated Toolbox |
Analytical Tools Interface for Landscape Assessments (ATtILA) |
New tools and functionality were added and allows users to calculate many of the EnviroAtlas metrics faster and reduce the chance of errors | https://www.epa.gov/enviroatlas/attila-toolbox |
| 05/2023 | Updated Data | Nitrate violation index - Groundwater | Data added for missing 12-digit HUCs | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_403 |
| 05/2023 | Updated Data | Nitrate violation index - Surface water | Data added for missing 12-digit HUCs | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_404 |
| 03/2023 | New Data | Total Evapotranspiration (m/yr) | Estimates the average annual evapotranspiration rate in meters/year across each subwatershed (12-digit HUC) for 2000-2013 | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_437 |
| 03/2023 | New Data | Surface runoff - (Quick flow ) (m/yr) | Estimates the average quick-flow surface runoff from precipitation in meters per year across each subwatershed (12-digit HUC) for 2000-2013 | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_438 |
| 03/2023 | New Data | Simulated depth to water table (m) | Estimates the average depth to the water table in meters across each subwatershed (12-digit HUC). The map reflects simulated natural conditions without withdrawals. | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_439 |
| 03/2023 | New Data | Unsaturated zone water transit time (yrs) | This map estimates the average travel time of a solute in water across the unsaturated zone (the area between the surface and the water table) in years by subwatershed (12-digit HUC); this represents the time it takes for a solute to travel from the land surface to the water table. | https://enviroatlas.epa.gov/enviroatlas/interactivemap/?eaLayer=eaLyrNum_440 |