Nutrients National Synthesis

National Reports and Data Sets

• Nitrogen Contamination of Surficial Aquifers -- A Growing Legacy
• Estimates of nutrient inputs from fertilizer, manure, and atmospheric deposition
• Nutrients in streams and rivers across the Nation--1992-2001 (Cycle 1)
• Quality of nutrient data from streams and ground water sampled during water years 1992-2001 (Cycle 1)
• Data on nutrients in the streams, rivers, and ground water of the United States--1992-96 (Cycle 1, 1st 20 study units)
• Retrospective database for nutrients in ground water and surface water--1970-92
• LUS/SUS boundaries and ancillary ground water GIS data
• GWRISK -- National map showing probability of nitrate contamination of recently recharged ground waters of the conterminous U.S. (ARC/INFO Grid data set)
• GWAVA-S -- Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water (ARC/INFO Grid data set)
• GWAVA-DW -- Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) (ARC/INFO Grid data set)
• Acid rain, atmospheric depostion, and precipitation chemistry
• NADP/NTN

Publications and supporting data

• Ideas for future work for NNS
• Material for use in preparation of Cycle 1 nutrients circular
• Published reports
• Material for use in preparation of '97 study-unit summary reports
• Nutrient concentrations for streams and ground water (Data provided for use by the Heinz Center for the report "The State of the Nation's Ecosystems" published in 2002.)
• NIT support files
• Nutrient concentrations in ground waters of the United States (Summary statistics for 1991 NAWQA land use studies and study unit surveys)
• NAWQA nutrient schedules (updated 02/2012)

Technical memos

• Lab schedules for low level phosphorus (1/5/99)

Links of interest

• Groundwater Quality, Age, and Probability of Contamination, Eagle River Watershed Valley-Fill Aquifer, North-Central Colorado, 2006-2007, by Michael G. Rupert and L. Niel Plummer - Use of groundwater age tracers and ultra low-level VOCs to model probability of groundwater contamination using logistic regression.
• Changes in Manure Management in the Hog Sector: 1998-2004
• Manure Nutrients Relative to the Capacity of Cropland and Pastureland to Assimilate Nutrients: Spatial and Temporal Trends for the United States
• Livestock and Poultry Environmental Learning Center
• National Nutrient Criteria Development
• Hypoxia in the Gulf of Mexico
• Geographic distribution of excess agricultural nitrogen in the Gulf of Mexico
• Unified National Strategy on Animal Feeding Operations
• National Soil Tilth Lab online publications
• Clean Coastal Waters: Understanding and Reducing the Effects of Nutrient Pollution
• More links...

Other national efforts

• National Stream Quality Accounting Network
• SPARROW modeling