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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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