National dataset consisting of a snapshot of 303(d) Listed Impaired Waters combined with Impaired Waters with TMDLs whose parent cause is Nutrients, Sediments, and Pathogens. The snapshot constitutes the top water impairments. The Impaired Waters with TMDLs and the 303(d) Listed Impaired Waters are combined into three mapping service layers in MyWaters Mapper application to […]
The 303(d) Listed Impaired Waters program system provides impaired water data and impaired water features reflecting river segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act. Each State will establish Total Maximum Daily Loads (TMDLs) for these waters. Note the CWA Section 303(d) list of impaired waters does not represent waters […]
The 305(b) program system provide assessed water data and assessed water features for river segments, lakes, and estuaries designated under Section 305(b) of the Clean Water Act. 305(b) waterbodies are coded onto NHDPlus v2.1 features creating area, point and linear events representing assessed and non-assessed waters. In addition to NHDPlus reach indexed data there may […]
This data access tool and data layers represent the best information currently available, and by making these data layers viewable and downloadable through this data access tool.
OzoneMap provides a real-time ozone map that allows residents of the Houston, Texas region to make informed decisions about protecting their health by limiting personal exposure to unhealthy levels of ground level ozone.
Forecast Now uses any user-entered town and state to provide you with the latest detailed local forecast, hazardous weather conditions, air quality index, radar images and satellite photo, direct from the US National Weather Service and the EPA.
A public website that promotes improved accountability, fosters coordination, and promotes transparency by sharing performance information on goals, indicators, strategies, and funding.
An EPA website that displays nearby facilities regulated under federal environmental laws.
Power and Emissions Thematic Mapper is a new and stimulating way to explore emissions and power data through thematic maps. The data is from eGRID 2010 and includes years 2004, 2005, and 2007.
Augmented reality layer that displays the EPA database of Toxic Release Inventory (2009) from thousands of US facilities, by toxic chemical, by pound and by source.