In many areas shown on this map as irrgated, non-irrigated cropland may be more common than irrigated cropland. Total amount of irrigated cropland may be small. When provided, refer to the estimated margins of error to determine suitability of the data for a particular purpose. NRI maps reflect national patterns rather than site-specific information. No data are collected for any year that land is in this ownership.
Water is supplied to crops by ditches, pipes, or other conduits.
An impoundment made by excavation or earthfill for biological treatment of animal or other agricultural waste. A pond, lake, basin, or other space, either natural in its origin, or created in whole or in part by the building of engineering structures, which is used for storage, regulation and control of water. A use of land and water category under Agricultural Production that includes all ponds, reservoirs, canals, ditches, streams, rivers, or other water bodies used for irrigation, and livestock water supplies. Please include the Product ID you are inquiring about. If you use our analysis products, please be aware of our disclaimer .