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Natural Resources for Louisiana

Data Dictionary

Bacteria Monitoring Stations Summaries

• Description: This dataset consists of locations of selected water quality monitoring stations for 10 bacteria-related parameters. More detailed information can be found in the metadata file.
• Geographic Area: Statewide
• Date: 1970-1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: EPA storage and retrieval data from the U.S. Water Parametric Data program.
• Link: EPA BASINS

Dam Sites

• Description: This dataset consists of 75,187 dam locations for the conterminous United States. Also known as the National Data Inventory. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1996
• Format: ArcView shapefile
• File Size: Unknown
• Source: Originated from the U.S. Army Corps of Engineers and the Federal Emergency Management Agency.
• Link: EPA BASINS

Drinking Water Supply Sites

• Description: This dataset consists of the locations of the nation's water supply sites, as regulated by the EPA's Safe Drinking Water Act. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1985-1987
• Format: ArcView shapefile
• File Size: Unknown
• Source: Data is obtained from each state individually, following EPA guidelines.
• Link: EPA BASINS

Ecoregions

• Description: This dataset consists of polygon coverage of the Level III ecoregions for the conterminous U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1986-1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: Omernik's "Ecoregions of the Conterminous U.S." 1:7,500,000 scale map.
• Link: EPA BASINS

Fish Consumption Advisories

• Description: This dataset consists of all available information describing State, tribal, and federally issued fish consumption advisories in the U.S. and its territories, and Canada. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1996
• Format: ArcView Shapefile
• File Size: Unknown
• Source: State, tribal, and Federal agencies issuing fish consumption advisories.
• Link: EPA BASINS

Land Use/Land Cover

• Description: This dataset consists of land use/land cover digital data, used in environmental assessment of land use patterns with respect to water quality, growth management, and other types of environment impact assessment. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1977-1980
• Format: ArcView Shapefile
• File Size: Unknown
• Source: U.S. Geodata 1:250,000 and 1:100,000 scale land use/land cover and associated maps.
• Link: EPA BASINS

Reach File Version 1 (RF1)

• Description: This dataset consists of approximately 700,000 miles of streams and open waters in the conterminous U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: 1:500,000 NOAA aeronautical charts
• Link: EPA BASINS

Reach File Version 3 Alpha (RF3)

• Description: This dataset consists of a series of hydrographic databases of the surface water of the continental U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: EPA Reach File Version 1
• Link: EPA BASINS

Soils (STATSGO)

• Description: This dataset consists of a broad base inventory of soils and non-soil areas that occur in a repeatable pattern on the landscape. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1994
• Format: ArcView Shapefile
• File Size: Unknown
• Source: Various detailed soil survey maps
• Link: EPA BASINS

USGS Gaging Stations

• Description: This dataset consists of surface water gauging station data including 7-Q-10 low and monthly stream flow. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1992-?
• Format: ArcView Shapefile
• File Size: Unknown
• Source: EPA gauge file database
• Link: EPA BASINS

USGS Hydrologic Unit Boundaries (accounting unit, cataloging unit)

• Description: This dataset consists of watershed boundaries for the conterminous U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: Unknown
• Format: ArcView Shapefile
• File Size: Unknown
• Source: USGS Hydrologic Unit Maps
• Link: EPA BASINS

Water Quality Monitoring Station Summaries

• Description: This dataset consists of statistical summaries of water quality monitoring for 47 physical and chemical related parameters. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1997
• Format: ArcView Shapefile
• File Size: Unknown
• Source: EPA storage and retrieval data of the U.S. Water Parametric Data Program.
• Link: EPA BASINS

Water Quality Observation Data

• Description: This dataset consists of a limited set of raw water quality observation data for the conterminous U.S. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1980-1995
• Format: ArcView Shapefile
• File Size: Unknown
• Source: EPA storage and retrieval data of the U.S. Water Parametric Data Program.
• Link: EPA BASINS

Weather Station Sites

• Description: This dataset consists of the locations of NOAA's Weather Data Management Stations for the U.S. and its territories. More detailed information can be found in the metadata file.
• Geographic Area: Nationwide
• Date: 1970-1997
• Format: ArcView Shapefile
• File Size: Unknown
• Source: NOAA National Climatic Data Center
• Link: EPA BASINS