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Federal
US EPA Nonattainment Areas and Designations
U.S. Environmental Protection Agency —
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),... -
Federal
RACT/BACT/LAER Clearninghouse (RBLC)
U.S. Environmental Protection Agency —
OAR's RACT, BACT, LAER Clearinghouse (RBLC) data asset contains summary information on selected air permitting actions from EPA, state, and local permitting agencies... -
Federal
RACT_BACT_LAER Clearinghouse (RBLC)
U.S. Environmental Protection Agency —
OAR's RACT, BACT, LAER Clearinghouse (RBLC) data asset contains summary information on selected air permitting actions from EPA, state, and local permitting agencies... -
Federal
Lane_etal_WhatRemains
U.S. Environmental Protection Agency —
Clean Water Act (CWA) coverage extends to certain wetlands, including those with a continuous surface connection to relatively permanent tributaries. However, limited... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA)
U.S. Environmental Protection Agency —
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... -
Federal
Effects of shading and composition on green roof media temperature and moisture data set
U.S. Environmental Protection Agency —
Three of the primary functions of green roofs in urban areas are to delay rainwater runoff, moderate building temperatures, and ameliorate the urban heat island (UHI)... -
Federal
PNW Hydrologic Landscape Class
U.S. Environmental Protection Agency —
Work has been done to expand the hydrologic landscapes (HLs) concept and to develop an approach for using it to address streamflow vulnerability from climate change.... -
Federal
EPA RCRA Corrective Action Boundary Data, U.S. EPA Regional Offices
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting RCRA Corrective Action boundary features from all EPA Regions. The Resource Conservation and Recovery Act (RCRA), among... -
Federal
BIA Tribes (3 of 5): National Land Area Representation
U.S. Environmental Protection Agency —
The purpose of the American Indian and Alaska Native Land Area Representation (AIAN-LAR) Geographic Information System (GIS) dataset is to depict the external extent... -
Federal
Metadata entry - Inferring changes in summertime surface ozone NOx-VOC chemistry over U.S. urban areas from two decades of satellite and ground-based observations
U.S. Environmental Protection Agency —
Urban ozone (O3) formation can be limited by NOx, VOCs, or both, complicating the design of effective O3 abatement plans. A satellite-retrieved ratio of formaldehyde... -
Federal
EPA RCRA Corrective Action AUL Boundary Data, U.S. EPA Region 1
U.S. Environmental Protection Agency —
This GIS dataset contains features depicting RCRA Corrective Action sites from EPA Region 1. The Resource Conservation and Recovery Act (RCRA), among other things,... -
Federal
Mill Site Locations, CRMS, 2020, NDEP and Broadbent Associates, Inc.
U.S. Environmental Protection Agency —
This feature class depicts Comstock-era mill locations within the Carson River Mercury Site (CRMS). These locations were obtained in order to define the investigation... -
Federal
Dataset for modeling spatial and temporal variation in natural background specific conductivity
U.S. Environmental Protection Agency —
This file contains the data set used to develop a random forest model predict background specific conductivity for stream segments in the contiguous United States.... -
Federal
US EPA Nonattainment Areas and Designations - Download Package
U.S. Environmental Protection Agency —
This downloadable data package contains the following state level layers: Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010... -
Federal
All Rhode Island waters within 3 mile territorial limit sewage no-discharge zone, 1998, EPA HQ OWOW
U.S. Environmental Protection Agency —
This geospatial dataset depicts a sewage no-discharge zone established under Clean Water Act Section 312. The area(s) depicted are zones where the discharge of any... -
Federal
NRSA data 2000-2014 Deposition Largest N Source Lin et al.
U.S. Environmental Protection Agency —
NRSA is part of EPA’s National Aquatic Resource Surveys which samples different surface waters on a 5-year cycle during the growing season. For logistical reasons,... -
Federal
The average concentrations of As, Cd, Cr, Hg, Ni and Pb in residential soil and drinking water obtained from springs and wells in Rosia Montana area.
U.S. Environmental Protection Agency —
The average concentrations of As, Cd, Cr, Hg, Ni and Pb in n=84 residential soil samples, in Rosia Montana area, analyzed by X-ray fluorescence spectrometry are given... -
Federal
US EPA Nonattainment Areas and Designations-SO2 (2010 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: SO2 2010 NAAQS State Level. Full FGDC metadata records for each layer may be found by clicking the layer name at the... -
Federal
Operable Unit 1 Boundary, CRMS, 2020, NDEP
U.S. Environmental Protection Agency —
This feature class depicts the boundaries of Operable Unit 1 (OU1) within the Carson River Mercury Site (CRMS), including the four Area of Investigation boundaries.... -
Federal
NHDPlus v2.1 and Alaska Beta NHDPlus
U.S. Environmental Protection Agency —
This dataset contains upstream watershed drainage areas for catchments comprising Catchment Fabric HUC12 units. The dataset is incomplete for Alaska.