Nitrogen and Phosphorus Pollution Data Downloads

All layers are national except SPARROW results. The 2002 SPARROW results cover six of eight Major River Basins and the 1992 results cover the Mississippi basin only.

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NAME ATTRIBUTES GEOSPATIAL GENERAL PROGRAM WEBSITE
Hydrologic Units (HUC8) - Summaries and Boundaries None Available
SPARROW Total N/P Yields

        o 2002


        o 1992

2002 Attributes Download Instructions

 

External Website

 

 

External Website

External Website

Water Quality Monitoring Sites with N/P (STORET) EPA Website
Water Quality Monitoring Sites with N/P (NWIS) External Website
NARS N/P Values for Streams EPA Website
NARS N/P Values for Lakes     EPA Website
Facilities Likely to Discharge N/P to Water     EPA Website
NPDES - Concentrated Animal Feeding Operations (CAFO) Summary None Available EPA Website
National Land Cover Dataset External Website External Website

External Website
External Website External Website
Waters Listed for N/P Impairments EPA Website
Waters with N/P TMDLs EPA Website
Sources of Drinking Water (By HUC12)
EPA Website
State Boundaries None Available External Website External Website
Tribal Lands Boundaries None Available External Website External Website
Mississippi-Atchafalaya River Basin Boundary None Available None Available

To report an error found in data downloaded from this site, please notify the contact listed in the metadata for the data layer.

For questions about the Data Access Tool and Nitrogen and Phosphorus Load Data Layers Website, Contact Us (or email us at ow-owow-internet-comments@epa.gov).