The Missouri River Region has 30 Subregions. The original 8-digit subbasins (Hydrologic Unit Codes) were further subdivided into 10-digit watersheds (62.5 to 391 square miles (mi 2)) and 12-digit subwatersheds (15.6 to 62.5 mi 2)—the exceptions being the Delta part of Mississippi and the Mississippi River inside levees, which were subdivided into 10-digit watersheds only. Their names and size are listed below. A hydrological code or hydrologic unit code is a sequence of numbers or letters that identify a hydrological feature like a river, river reach, lake, or area like a drainage basin (also called watershed (in North America)) or catchment. This data set consists of geo-referenced digital data and associated attributes and is a preliminary release of the 12-digit hydrologic unit Oklahoma Watershed Boundary Dataset, part of the National Watershed Boundary dataset. *Please note, all acres are approximate. Numbers were assigned in an upstream to downstream fashion. Name: 12-digit HUCs (Subwatersheds) Display Field: ... WBD polygon attributes include hydrologic unit codes (HUC), size (in the form of acres and square kilometers), name, downstream hydrologic unit code, type of watershed, non-contributing areas, and flow modifications. Hydrologic Unit Codes: HUC 4, HUC 8, and HUC 12 The Watershed Boundary Dataset (WBD) maps the full areal extent of surface water drainage for the U.S. using a hierarchical system of nesting hydrologic units at various scales, each with an assigned hydrologic unit code (HUC). In addition, in Kentucky the U.S. Geological Survey extended the Hydrologic Unit concept down to even smaller units--11 digit hydrologic units and 14 digit hydrologic units. A HUC-8 or HUC … This update requires redevelopment of all input data sources, including daily weather data for the conterminous US at HUC-12 level. * Winter 2013 O h i o I d i a n a. The HUs are given a Hydrologic Unit Code (HUC) that ranges from 2 digits to 12 digits. The lower 48 … The HUC_12 attribute is the 12-digit HUC code, or Level 6 Watershed Class, or Sub-Watershed. USGS Hydrologic Unit Code (HUC) Basins Region Subregion Accounting Unit Cataloging Unit HUC Number Lake Superior W Lake Superior SW Lake Superior Bad-Montreal 04010302 S Lake Superior S Central Lake Superior Black-Presque Isle 04020101 Ontonagon 04020102 Keweenaw Peninsula 04020103 Sturgeon 04020104 Dead-Kelsey 04020105 SE Lake Superior Betsy-Chocolay 04020201 … Watershed Boundary Dataset (WBD) (12-digit HUC, level 6, Alabama, USA) Sep 2, 2014 Uploaded by Conservation Biology Institute. (search for Virginia addresses only) Find. The number of digits in a HUC is related to 6 levels of detail for the WBD: the lower level polygons cover larger areas than higher level ones. The HUC describes where the unit is in the country and the level of the unit. 12-Digit: Subwatershed Data Source: The hydrologic unit code data was pulled from the USGS site in 2014 and clipped to the North Carolina State boundary. This spatial layer shows the hydrologic unit boundaries for the 12-digit sub-watersheds at a scale of 1:24,000 in the upper Washita River basin in southwestern Oklahoma. Locate Your Watershed (Legacy 8-digit HUC) Locate Your Stream Site (Legacy 8-digit HUC) Locate Your Well Site (Legacy 8-digit HUC) Locate Your Precipitation Site (Legacy 8 HUC) Locate Your Stream Site by 12-digit HUC Links By Watershed. The purpose of this work was to create accumulated watershed boundaries for each 12-digit HUC in the watershed boundary dataset. Where no downstream/upstream relationship could be determined numbers were assigned in a clockwise fashion. WBD contains eight levels of progressive hydrologic units identified by unique 2- to 16-digit codes. HUC boundaries do not line up with State boundaries and therefore most HUCs on the state boundary are not shown fully. Their names and size are listed below. 10 10 String HUC_12 This field provides a unique 12-digit code for each subwatershed. HUC_8 A unique 8-digit code from the USGS map series "Hydrologic Unit Maps". Where no downstream/upstream relationship could be determined, numbers were assigned in a clockwise fashion. Open in Map Open in Map Description: This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. Locate Your Watershed (Legacy 8-digit HUC) Locate Your Stream Site (Legacy 8-digit HUC) Locate Your Well Site (Legacy 8-digit HUC) Locate Your Precipitation Site (Legacy 8 HUC) Locate Your Stream Site by 12-digit HUC Links By Watershed. “HUC 12” watersheds within the Turkey River Watershed. Find us Department of State Lands 775 Summer St. NE, Suite 100 Salem, OR 97301-1279 8:00 AM - 5:00 PM Phone: 503-986-5200 FAX: 503-378-4844 Submit a comment These discrepancies will be corrected when the HUC14s are next revised. New Mexico HUC-12 Boundaries - 2013 Metadata Updated: June 25, 2014 This data set is a complete digital hydrologic unit boundary layer to the subwatershed (12-digit) 12th … Numbers were assigned in an upstream to downstream fashion. Zoom in to see smaller units (e.g. jurisdiction boundaries). The code uniquely identifies each of the four levels-regional, subregional, accounting, and cataloging-of hydrologic classification within four two-digit fields . Add two digits to the end of the existing 10-digit code, therefore creating a 12-digit … 1) Given a list of TOHUCs and a HUC to … Hydrologic Unit Codes (HUCs) Explained . 12 digit). Use choices below to search by address, XY (longitude and latitude) or by hydrologic unit name, code or number. The work started in July 2015 shortly after the WBD team completed a major cleanup of the TOHUC codes. Arkansas Watersheds > > 8-Digit: 11110207 > > 10-Digit: 1111020705 > > 12-Digit: 111102070504: Home Links About : Indian Bayou-Arkansas River. Number - 12 Digit HUC Last 4 Digits of HUC Name - 12 Digit HUC Acres within Indiana 051201070101 0101 Headwaters Turkey Creek 12,550.8 051201070102 0102 North Creek-Mud Creek 19,728.5 051201070103 0103 Round Prairie Ditch-Turkey Creek 15,363.2 051201070104 0104 Middle Fork Ditch 16,289.2 051201070105 … There are 53 of these “12-digit HUCs” a.k.a. One system, developed by Strahler, known as the Strahler stream order, ranks streams based on a hierarchy of tributaries. This data set is a digital hydrologic unit boundary layer (clipped at New Jersey political boundaries) to the Subwatershed (12-digit) 6th level for the State of New Jersey. *Please note, all acres are approximate. Number - 12 Digit HUC Last 4 Digits of HUC Name - 12 Digit HUC Acres within Indiana 051201010102 0102 Stoney Creek-Wabash River 4,523.6 051201010103 0103 Toti Creek-Wabash River 907.1 051201010401 0401 Wilson Creek-Limberlost Creek 12,190.5 051201010402 0402 Shirk Votaw Ditch … codes for, river-basin units of the United States1. This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the State of Illinois. Hydrologic Unit Codes - ( HUC) Revised 10/02 Code Official Name General Description HUC - 2 REGION Major land areas. Huc Id: 111102070504: Total Area: 31.64 mi 2: Total Acres: 20486.47: Population 1990: 678: Population 2000 : 444: Density 1990: 21.43 persons/mi 2: Density 2000: 14.03 persons/mi 2: Watershed Information (Click a chart below to see the full selection … The same number was used in every record that pertains to a subwatershed that resides within the same 8-digit sub-basin. Federal Standards … Watersheds are delineated by USGS using a nationwide system based on surface hydrologic features. Information Discovery Active Projects Databases Publications Reports. Federal Standards for Delineation of Hydrologic Unit Boundaries Sequential unique whole numbers that are automatically generated. HUC_12 (NCGC Version Date: Feb 2009) HU_12_NAME (NCGC Version Date: Feb 2009) STATES: HU8 (USGS: Version Date: Nov 2008) HU_8_NAME (USGS Version Date: Nov 2008) 040302010401 Headwaters Grand River: WI; 07090001 Upper Rock: 040302010901 Silver Creek; WI: 07090001 Upper Rock : 040302030201 Village of Rosendale‐Fond Du Lac River WI: 07090001 Upper Rock; … Information Discovery Active Projects Databases Publications Reports. * Winter 2013. The 12-digit hydrologic unit ToHUC code attribute is the code for the 12-digit hydrologic unit that is downstream from and naturally receives the majority of the flow from another 12-digit hydrologic unit. The hydrologic unit code is an eight-digit number that identifies each hydrologic unit. 12-digit watershed code. 12-digit watershed code. EPA's 12-digit hydrologic system (USEPA, 2009) uses a numbering convention that is not entirely consistent with the 14-digit numbering system. 1) fromHUC_finder, 2) HUC_aggregator, and 3) unionHUC. the HU_10_NAME attribute holds the English name of the Sub-Watershed. This system divides the country into 21 regions (2-digit), 222 subregions (4-digit), 370 basins (6-digit), 2,270 subbasins (8-digit), ~20,000 watersheds (10-digit), and ~100,000 subwatersheds (12-digit). Montana Wildfire Risk Assessment risk-to-structures results summarized by HUC 6 Watershed Boundaries. Zoom in to see more detail (e.g. There are three functions that have significant logic in them. ( 21 Total in US) Called 1st Level - or Watershed 1st Level HUC - 4 SUBREGION Each Region has from 3 to 30 Subregions. For some HUC14s, the first 12 digits do not match the identification number of the 12-digit hydrologic unit it lies within. CA USGS Watershed Boundary Dataset (12-Digit Hydrologic Units) The USGS Watershed Boundary Dataset (WBD) defines the areal extent of surface water drainage to a point, accounting for all land and surface areas. 12-digit HUC attribute descriptions: Hydrologic Unit Code (HUC): Twelve Digit Hydrologic Unit Code - This field provides a unique 12-digit code for each subwatershed. The 12-digit hydrologic unit ToHUC code attribute is the code for the 12-digit hydrologic unit that is downstream from and naturally receives the majority of the flow from another 12-digit hydrologic unit. These codes describe where the unit is in the country and the level of the unit. Hydrologic unit codes (HUC) are developed using a progressive two-digit system where each successively smaller areal unit is identified by adding two digits to the identifying code the smaller unit is nested within. Name: HUC (12 Digit) Subwatershed Labels Display Field: HUC_12 Type: Feature Layer Geometry Type: esriGeometryPolygon Description: The hydrologic unit hierarchy is indicated by the number of digits in groups of two (such as HUC 2, HUC 4, and HUC 6) within the HUC code. The ACRES attribute is the area in acres of the Sub-Watershed, or 12-digit HUC. As an ongoing effort, previous CEAP efforts at 8-digit Hydrologic Unit Code (HUC-8) watersheds will be enhanced to 12-digit Hydrologic Unit Code (HUC-12) watersheds with improved methods and greater spatial detail (White et al., 2017). The SQ_MILES attribute is the area in square miles of the Sub-Watershed, or 12-digit HUC. Eight digit codes represent 21 Regions, 222 Sub-regions, 352 Accounting Units, and 2,150 Cataloging Units. 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