Change in Total Snowfall in the Contiguous 48 States, 1930-2007

This map shows the average rate of change in total snowfall from 1930 to 2007 at 419 weather stations in the contiguous 48 states. Blue circles represent increased snowfall; red circles represent a decrease. This indicator also shows the percentage change in winter snow-to-precipitation ratio from 1949 to 2015 at 265 weather stations in the […]

Read more
EPA Facility Registry Service (FRS): ICIS

This web feature service contains location and facility identification information from EPA’s Facility Registry Service (FRS) for the subset of facilities that link to the Integrated Compliance Information System (ICIS). When complete, ICIS will provide a database that will contain integrated enforcement and compliance information across most of EPA’s programs. The vision for ICIS is […]

Read more
ACRES – Brownfields Properties

Brownfields are real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant or contaminant. This dataset shows the locations of sites, facilities and properties that have been contaminated by hazardous materials and are being, or have been, cleaned up under EPA Brownfields […]

Read more
US EPA Nonattainment Areas and Designations

This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard), PM2.5 24hr (2006 standard), PM2.5 Annual (1997 standard), PM2.5 Annual (2012 standard), and PM10 (1987 standard). Full FGDC metadata records for each layer may be found by clicking the layer name at […]

Read more
Reported Neuroinvasive Cases of West Nile Virus by State, 2002-2014

This map shows the average annual incidence of neuroinvasive West Nile virus disease in each state, which is calculated as the average number of new cases per 100,000 people per year from 2002 to 2014. The map is based on cases that local and state health departments report to CDC’s national disease tracking system. Neuroinvasive […]

Read more
U.S. Level III and IV Ecoregions (U.S. EPA)

This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection Agency Office of Research and Development’s Western Ecology Division. The original ecoregion data was projected from Albers to Web Mercator for this map service. To download shapefiles of ecoregion […]

Read more
Change in Ragweed Pollen Season, 1995-2015

This figure shows how the length of ragweed pollen season changed at 11 locations in the central United States and Canada between 1995 and 2015. Data were provided by Dr. Lewis Ziska of the U.S. Department of Agriculture, Agricultural Research Service. Red circles represent a longer pollen season; the blue circle represents a shorter season. […]

Read more
EnviroAtlas – Ecosystem Service Market and Project Locations, U.S., 2015, Forest Trends’ Ecosystem Marketplace

This EnviroAtlas dataset contains points depicting the location of market-based programs, referred to herein as markets, and projects addressing ecosystem services protection in the United States. The data were collected via surveys and desk research conducted by Forest Trends’ Ecosystem Marketplace from 2008 to 2016 on biodiversity (i.e., imperiled species/habitats; wetlands and streams), carbon, and […]

Read more