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Environmental Modeling Community of Practice

303d Impaired Waters Additional Information

For ATTAINS 303(d) geospatial data, the Table of Available Cycles in the RAD lists the most recent ATTAINS cycle for which GIS data are available for each state. [Pending update to fact sheets: Users should now obtain state-level geospatial data at EPA's Environmental Dataset Gateway (EDG) Clip N Ship Site.]

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