DARTER is EPA's system to manage its workflow in the Clean Water Act Section 404 permit program. Section 404 requires a permit from the U.S. Army Corps of Engineers, or EPA-approved State, for the discharge of dredged or fill material into waters of the United States. EPA plays a number of roles in the Section 404 permit program including developing and interpreting policy, guidance and environmental criteria used in evaluating permit applications, determining the scope of geographic jurisdiction and reviewing and commenting on proposed Section 404 permits. DARTER allows EPA staff to: - Track agency involvement in pre-application coordination, review of public notices for proposed permits, review of third party mitigation projects and proposed jurisdictional determinations; - Prepare and share EPA-generated jurisdictional determinations; and - Access shared data from the U.S. Army Corps of Engineers’ national regulatory program data management system known as OMBIL Regulatory Module (ORM2)

State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides summary information for each Assessment Unit. For more detailed data, please reference the Assessment Total Maximum Daily Load (TMDL) Tracking and Implementation System (ATTAINS) web services. Information on those web services is provided on the public ATTAINS website: https://www.epa.gov/waterdata/attains

State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides summary information for each Assessment Unit. For more detailed data, please reference the Assessment Total Maximum Daily Load (TMDL) Tracking and Implementation System (ATTAINS) web services. Information on those web services is provided on the public ATTAINS website: https://www.epa.gov/waterdata/attains

This spatial dataset identifies land where development implications exist due to the presence of wetlands, as designated by the relevant NSW environmental planning instrument. The NSW Wetlands Policy promotes the sustainable conservation, management and use of the state’s wetlands Contact data.broker@environment.nsw.gov.au for a data package (shapefile)

The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS) during the summer of 2020. A Land Cover/Land Use (LCU) spatial database was developed based on the 2020 aerial imagery, which adds a fourth systemic-wide database to the existing 1989, 2000, and 2010/11 LCU databases. These data have been used to create a variety of products, one of which is a data set used to classify aquatic areas. The 2020 aquatic areas data sets were created by first generalizing the available land cover/use data into a land/water data set, then reinterpreting the areas classified as water to determine the type of aquatic area. Area coverage for this data set is the Upper Mississippi River between Minneapolis, MN and Cairo, IL, and the Illinois River from its confluence with the Mississippi to Joliet, IL.

The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS) during the summer of 2020. A Land Cover/Land Use (LCU) spatial database was developed based on the 2020 aerial imagery, which adds a fourth systemic-wide database to the existing 1989, 2000, and 2010/11 LCU databases. These data have been used to create a variety of products, one of which is a data set used to classify aquatic areas. The 2020 aquatic areas data sets were created by first generalizing the available land cover/use data into a land/water data set, then reinterpreting the areas classified as water to determine the type of aquatic area. Area coverage for this data set is the Upper Mississippi River between Minneapolis, MN and Cairo, IL, and the Illinois River from its confluence with the Mississippi to Joliet, IL.

The Environmental Monitoring and Assessment Program (EMAP) was a national research program run by EPA’s Office of Research and Development from 1990 to 2008 to develop the tools necessary to monitor and assess the status and trends of national ecological resources. Initially, resources included estuaries and coastal waters, wadeable streams, lakes, wetlands, forests, agroecosystems, arid areas, and landscape ecology. Later, this was narrowed down to just the aquatic resources. EMAP collected field data from 1990 to 2006. EMAP's goal was to develop the scientific understanding for translating environmental monitoring data from multiple spatial and temporal scales into assessments of current ecological condition and forecasts of future risks to our natural resources. EMAP aimed to advance the science of ecological monitoring and ecological risk assessment, guide national monitoring with improved scientific understanding of ecosystem integrity and dynamics, and demonstrate multi-agency monitoring through large regional projects. EMAP developed indicators to monitor the condition of ecological resources. EMAP also investigated designs that addressed the acquisition, aggregation, and analysis of multiscale and multitier data. Monitoring of the nation’s aquatic resources is now being routinely conducted by the National Aquatic Resource Surveys, run by EPA’s Office of Water.