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Surface water bodies in Wyandotte County. A polygon feature dataset of natural lakes and ponds (ponds are considered small lakes) as well as reservoirs (artificial lakes such as stock ponds, real estate lakes, retention basins, and treatment lagoons). In ESRI GIS format in Kansas North State Plane NAD83, units feet, suitable for use at 1:2400 map scale or smaller. This dataset portrays all water bodies visible from aerial photography regardless of size in acres, excepting extremely small basins and ditches. No water elevation data is included. Water wells not included. Enclosed water reservoirs (tanks) not included.

There are several ways to filter water poly features using the data schema. Field Water_Type uses the NHD data categories adopted by Esri Community Maps Local Government model. Field Water_Class classifies water bodies according to a somewhat arbitrary scheme of Pond or Lake (for purposes of this dataset the area size threshold for lake was > 20 acres--therefore ponds are < 20 acres). There are a few exceptions to the water area class rule. Finally, the Name field contains name strings for a small number of county lakes that are known by name. These are generally the most prominent and well-known lakes and can be selected out accordingly.

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Wyandotte County Rivers. A polygon surface water feature dataset of the Kansas and Missouri Rivers in Wyandotte County. In ESRI GIS format in Kansas North State Plane NAD83, units feet, suitable for use at 1:1200 map scale or smaller. This dataset portrays river channel banks as visible in and interpreted from aerial photography.

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Perennial streams in Wyandotte County, KS. This is a linear surface water flowline dataset. In ESRI GIS format in Kansas North State Plane NAD83, units feet, suitable for use at 1:1200 map scale or smaller. This dataset depicts all permanent /major streams as visible from aerial photography or LiDAR imagery. No rivers included. Limited linear feature network information (segment from-to drainage flow directions) is present..

Flow direction is indicated by from-to direction of digitized line segments. Line topology is present with stream segment nodes connecting where intersections should occur. Flowline type is used according to NHD categories, e.g. Stream or River. Named stream segments contain a name in NAME field, e.g. Conner Creek.

The corresponding lake_py data layer works with this layer where appropriate.

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"fields": [ { "displayName": "FID", "name": "OBJECTID", "alias": "FID", "visible": true, "dataType": "Int32", "searchable": true }, { "displayName": "DFIRM_ID", "name": "DFIRM_ID", "alias": "DFIRM_ID", "visible": true, "dataType": "String", "searchable": true }, { "displayName": "VERSION_ID", "name": "VERSION_ID", "alias": "VERSION_ID", "visible": true, "dataType": "String", "searchable": true }, { "displayName": "FLD_AR_ID", "name": "FLD_AR_ID", "alias": "FLD_AR_ID", "visible": true, "dataType": "String", "searchable": true }, { "displayName": "STUDY_TYP", "name": "STUDY_TYP", "alias": "STUDY_TYP", "visible": true, "dataType": "String", "searchable": true }, { "displayName": "FLD_ZONE", "name": "FLD_ZONE", "alias": "FLD_ZONE", "visible": true, "dataType": "String", "searchable": true }, { "displayName": "ZONE_SUBTY", "name": "ZONE_SUBTY", "alias": "ZONE_SUBTY", "visible": true, "dataType": "String", "searchable": true }, { "displayName": "SFHA_TF", "name": "SFHA_TF", "alias": 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Flood hazard areas identified on the Flood Insurance Rate Map are identified as a Special Flood Hazard Area (SFHA). SFHA are defined as the area that will be inundated by the flood event having a 1-percent chance of being equaled or exceeded in any given year. The 1-percent annual chance flood is also referred to as the base flood or 100-year flood. SFHAs are labeled as Zone A, Zone AH and Zone AE. Moderate flood hazard areas, labeled Zone X (shaded) are also shown on the FIRM, and are the areas between the limits of the base flood and the 0.2-percent-annual-chance (or 500-year) flood. The areas of minimal flood hazard, which are the areas outside the SFHA and higher than the elevation of the 0.2-percent-annual-chance flood, are labeled Zone X (unshaded).

A floodway or \"Regulatory Floodway\" means the channel of a river or other watercourse and the adjacent land areas that must be reserved in order to discharge the base flood without cumulatively increasing the water surface elevation more than a designated height. Communities must regulate development in these floodways to ensure that there are no increases in upstream flood elevations.
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