EPA Office of Water (OW): NPDES Permitted Facilities

Spatial layer of the NPDES permitted facilities and their attributes. The layer contains attributes from two materialized views of tables that OECA maintains of NPDES facility information from the ICIS and PCS databases.

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EPA Office of Water (OW): STORET Water Quality Monitoring Stations NHDPlus Indexed Dataset

Storage and Retrieval for Water Quality Data (STORET and the Water Quality Exchange, WQX) defines the methods and the data systems by which EPA compiles monitoring data (typically water quality data, but not exclusively water quality data) that are collected by a number of entities. This dataset represents the monitoring locations contained within the STORET […]

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EPA Office of Water (OW): STORET Water Quality Monitoring Stations Source Dataset

Storage and Retrieval for Water Quality Data (STORET and the Water Quality Exchange, WQX) defines the methods and the data systems by which EPA compiles monitoring data (typically water quality data, but not exclusively water quality data) that are collected by a number of entities. This dataset represents the monitoring locations contained within the STORET […]

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EPA Office of Water (OW): TMDLs on Impaired Waters NHDPlus Indexed Dataset

The Total Maximum Daily Load (TMDL) Tracking System contains information on waters that are Not Supporting their designated uses. These waters are listed by the state as impaired under Section 303(d) of the Clean Water Act. The status of TMDLs are also tracked. TMDLs are pollution control measures that reduce the discharge of pollutants into […]

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EPA Office of Water (OW): Fish Consumption Advisories and Fish Tissue Sampling Stations NHDPlus Indexed Datasets

The Fish Consumption Advisories dataset contains information on Fish Advisory events that have been indexed to the EPA Office of Water NHDPlus v2.1 hydrology and stored in the Reach Addressing Database (RAD). NHDPlus is a database that interconnects and uniquely identifies the millions of stream segments or reaches that comprise the Nations’ surface water drainage […]

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EPA Office of Water (OW): 305(b) Assessed Waters NHDPlus Indexed Dataset

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 […]

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EnviroAtlas – Metrics for Tampa, FL

This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (http://enviroatlas.epa.gov/EnviroAtlas). The layers in this web service depict ecosystem services at the census block group level for the community of Tampa, Florida. These layers illustrate the ecosystems and natural resources that are associated with clean air (http://enviroatlas.epa.gov/arcgis/rest/services/Communities/ESC_TFL_CleanAir/MapServer); clean and plentiful water (http://enviroatlas.epa.gov/arcgis/rest/services/Communities/ESC_TFL_CleanPlentifulWater/MapServer); […]

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EnviroAtlas – Metrics for Portland, ME

This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (http://enviroatlas.epa.gov/EnviroAtlas). The layers in this web service depict ecosystem services at the census block group level for the community of Portland, Maine. These layers illustrate the ecosystems and natural resources that are associated with clean air (http://enviroatlas.epa.gov/arcgis/rest/services/Communities/ESC_PME_CleanAir/MapServer); clean and plentiful water (http://enviroatlas.epa.gov/arcgis/rest/services/Communities/ESC_PME_CleanPlentifulWater/MapServer); […]

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