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#1 Federal
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 -- Input data set for water input (gwava-s_wtin)
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous United States. The data set was...
- xml
- xml
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:23 AM
#2 Federal
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) -- Input data set for water input (gwava-dw_wtin)
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous United States. The data set was...
- xml
- xml
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:39 AM

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