Data Catalog

• Federal

  Storage and Retrieval for Water Quality Data (STORET)

  U.S. Environmental Protection Agency —

  Storage and Retrival for Water Quality Data (STORET) is a repository for water quality, biological, and physical data.
• Federal

  National Lakes Assessment Data

  U.S. Environmental Protection Agency —

  The National Lakes Assessment (NLA) is a first-ever statistically-valid survey of the biological condition of lakes and reservoirs throughout the U.S. The U.S....
• Federal

  National Coastal Condition Assessment (NCCA)

  U.S. Environmental Protection Agency —

  During the summer of 2010, state and EPA crews conducted field sampling for the fifth National Coastal Condition Assessment (NCCA). The assessment is in the data...
• Federal

  Water Quality Assessment and Total Maximum Daily Loads Information (ATTAINS)

  U.S. Environmental Protection Agency —

  The Water Quality Assessment TMDL Tracking And Implementation System (ATTAINS) stores and tracks state water quality assessment decisions, Total Maximum Daily Loads...
• Federal

  Catalog of Federal Funding Sources for Watershed Protection

  U.S. Environmental Protection Agency —

  Catalog of Federal Funding Sources for Watershed Protection Web site is a searchable database of financial assistance sources (grants, loans) available to fund a...
• Federal

  Current Clean Water Act 303(d) Listed Impaired Waters

  U.S. Environmental Protection Agency —

  Waters identified as impaired from the current approved Clean Water Act 303(d) lists submitted by states.
• Federal

  Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields

  U.S. Environmental Protection Agency —

  Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields, as predicted by the 2002 regional USGS SPARROW models.
• Federal

  Water Quality attainment Information from Clean Water Act Statewide Statistical Surveys

  U.S. Environmental Protection Agency —

  Designated uses assessed by statewide statistical surveys and their state and national attainment categories. Statewide statistical surveys are water quality...
• Federal

  Adopt Your Watershed

  U.S. Environmental Protection Agency —

  Adopt Your Watershed is a Website that encourages stewardship of the nation's water resources and serves as a national inventory of local watershed groups and...
• Federal

  Estimated Animal Agriculture Nitrogen and Phosphorus from Manure

  U.S. Environmental Protection Agency —

  Estimated nitrogen (N) and phosphorus (P) produced from animal manure in 2007.
• Federal

  Assessed Clean Water Act 305(b) Water Sources of Impairment

  U.S. Environmental Protection Agency —

  Identifies the sources of impairment for assessed waters under the Clean Water Act 305(b) program. This view can be used for viewing the details at the assessment...
• Federal

  Assessed Clean Water Act 305(b) Water Causes of Impairment

  U.S. Environmental Protection Agency —

  Identifies the causes of impairment for assessed waters under the Clean Water Act 305(b) program.
• Federal

  Commercial Phosporus Fertilizer Purchased

  U.S. Environmental Protection Agency —

  Amounts of fertilizer P2O5 purchased by states in individual years 2003, 2005, 2007, 2009 and 2011, and the % change in average amounts purchased per year from...
• Federal

  Assessed Clean Water Act 305(b) Water Designated Use Attainments

  U.S. Environmental Protection Agency —

  Identifies the state and EPA water designated use information and the use attainment status for assessed waters under the Clean Water Act 305(b) program.
• Federal

  Clean Water Act Approved Total Maximum Daily Load (TMDL) Documents

  U.S. Environmental Protection Agency —

  Information from Approved and Established TMDL Documents as well as TMDLs that have been Withdrawn. This includes the pollutants identified in the TMDL Document, the...
• Federal

  Commercial Nitrogen Fertilizer Purchased

  U.S. Environmental Protection Agency —

  Amounts of fertilizer nitrogen (N) purchased by states in individual years 2003, 2005, 2007, 2009 and 2011, and the % change in average amounts purchased per year...
• Federal

  Clean Water Act 303(d) Listed Impaired Waters and their Causes of Impairment from All Years

  U.S. Environmental Protection Agency —

  Waters identified as impaired as well as their associated causes of impairment from all approved Clean Water Act 303(d) lists submitted by the states. Includes all...
• Federal

  Wadeable Streams Assessment Data

  U.S. Environmental Protection Agency —

  The Wadeable Streams Assessment (WSA) is a first-ever statistically-valid survey of the biological condition of small streams throughout the U.S. The U.S....
• Federal

  Assessed Clean Water Act 305(b) Waters

  U.S. Environmental Protection Agency —

  Identifies assessed waters under the Clean Water Act 305(b) program.
• Federal

  Water Quality Stressor Information from Clean Water Act Statewide Statistical Surveys

  U.S. Environmental Protection Agency —

  Stressors assessed by statewide statistical surveys and their state and national attainment categories. Statewide statistical surveys are water quality assessments...

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