This is a human-readable view of the FGDC XML metadata.
| Name | Description | Values |
|---|---|---|
| Shape | The representation of the entity in the data. | coded values |
| Area | The size of the shape in coverage units. | 0.000 to 0.000 |
| Perimeter | The perimeter of the shape in coverage units. | 0.000 to 0.000 |
| Dams00x020 | Internal feature number. | 1 to 7782 |
| Nid_id | The official National Inventory of Dams identification number for the dam, known formerly as the National Id. The first two characters of the identity are the State two letter abbreviation, based on the location of the dam. The last five characters of the identity are a unique number (AB#####). | AK00001 to WY83004 |
| Dam_name | The official name of the dam. For dams that do not have an official name, the popular name is used. | There is no predefined set of valid dam names. The attribute contains the official name of the dam, or the popular name if there is no official name. |
| Other_name | The reservoir name or names in common use other than the official name of the dam. Names are separated with semicolons. | There is no predefined set of reservoir or common use names. |
| Hazard | A term indicating the potential hazard to the downstream area resulting from failure or mis-operation of the dam or facilities. | coded values |
| State_name | The name of the State in which the dam is located. | Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas, FIPS PUB 5-2. U.S. Department of Commerce |
| County | The name of the County in which the dam is located. | Counties and Equivalent Areas of the United States, Its Possessions, and Associated Areas, FIPS PUB 6-4. U.S. Department of Commerce |
| River | The official name of the river or stream on which the dam is built. If the stream is unnamed, it is identified as a tributary ("TR") to a named river. If the dam is located offstream, the name of the river or stream is entered plus "-OS" or "OFFSTREAM". | There is no predefined set of valid river or stream names. |
| Prm_purpos | A term indicating the primary purpose for which reservoir is used. | coded values |
| Nid_damtyp | A term indicating the dam type as one of the following: Arch, Buttress, Gravity. | coded values |
| Year_compl | The year when the main dam structure was completed. A value of 0 indicates that the year is unknown. | 1800 to 1995 |
| Nid_height | The maximum of either the dam height, the hydraulic height, or the structural height of the dam. A value of 0 indicates that the height is unknown. | 3 to 6200 |
| Own_type | A term indicating owner type. | coded values |
| Near_city | The name of the nearest downstream city, town, or village that is most likely to be affected by floods resulting from the failure of the dam. | There is no predefined set of valid city names. |
| Owner | The name of the owner of the dam. | There is no predefined set of valid owner names. |
| Surf_area | The surface area, in acres, of the impoundment at its normal retention level. | 0.00 to 20358400.0 |
| Drain_area | The drainage area of the dam in square miles. It is defined as the area that drains to a particular point (in this case, the dam) on a river or stream. | 0.00 to 300000.00 |
| Norm_stor | The normal storage in acre-feet. Normal storage is the total storage space in a reservoir below the normal retention level, including dead and inactive storage and excluding any flood control surcharge storage. | 0.00 to 9700000000.0 |
| Max_stor | The maximum storage in acre-feet. Maximum storage is the total storage space in a reservoir below the maximum attainable water surface elevation, including any surcharge storage. | 0.00 to 9700000000.0 |
| Longitud_x | Dam longitude as a single value, in decimal degrees. | -162.928333 to -66.015000 |
| Latitud_x | Dam latitude as a single value, in decimal degrees. | 18.018056 to 68.068889 |
| Fips_state | The Federal Information Processing Standard (FIPS) code used by the U.S. Bureau of the Census for the State in which the dam is located. | Codes for the Identification of the States, the District of Columbia and the Outlying Areas of the United States, and Associated Areas; (Federal Information Processing Standard (FIPS) 5-2): Washington, DC, National Institute of Standards and Technology. U.S. Department of Commerce |
| Fips_cnty | The FIPS code used by the U.S. Bureau of the Census for the county in which the dam is located. | Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas; (Federal Information Processing Standard (FIPS) 6-4): Washington, DC, National Institute of Standards and Technology. U.S. Department of Commerce |