Major Hydrography

ISO-19139 Metadata

Resource Identification Information:

Citation:
Title:  Major Hydrography

Reference date - publication:  2002-07-02

Presentation format:  mapDigital

Other citation details: NCCGIA distributes this dataset

Party responsible for the resource - originator: 
Organization's name: NC Dept. of Information Technology, Government Data Analytics Center, Center for Geographic Information and Analysis

Party responsible for the resource - publisher: 
Organization's name: NC Center for Geographic Information and Analysis

Contact information:
Address:
Delivery point: Raleigh, NC
Themes or categories of the resource:  inlandWaters

Place keywords:
Keywords:  North Carolina

Thesaurus name:
Title:  William S. Powell, The North Carolina GAZETTEER, A Dictionary of Tar Heel Places, (Chapel Hill: University of North Carolina Press), August 1984.

Theme keywords:
Keywords:  Hydrography, Surface waters

Theme keywords:
Keywords:  Hydrography, Surface waters

Theme keywords:
Keywords:  inlandWaters

Thesaurus name:
Title:  ISO 19115 Topic Category

Descriptive keywords:
Keywords:  Downloadable Data

Thesaurus name: ArcGIS Content Type
Abstract:  The NC Center for Geographic Information and Analysis, developed this digital Major Hydrography data to enhance planning, siting and impact analysis in areas directly affecting surface waters consisting of streams and rivers, lakes, reservoirs, and shorelines. The data is a subset of the 1:24,000-scale detailed hydrography data. This file is updated as changes occur.

Purpose: This data was created to assist governmental agencies and others in making resource management decisions through the use of a Geographic Information System (GIS) where information on general hydrographic features is needed.

Dataset language:  eng
Dataset character set:  utf8

Status:  completed
Maintenance:
Update frequency:  asNeeded


Resource constraints:
Constraints:
Limitations of use: https://www.nconemap.gov/pages/terms

Resource constraints:
Legal constraints:
Limitations of use: NCCGIA is charged with the development and maintenance of NC OneMap and, in cooperation with other mapping organizations, is committed to offering its users accurate, useful, and current information. Although every effort has been made to ensure the accuracy of information, errors and conditions originating from physical sources used to develop this dataset may be reflected in the data supplied. The user must be aware of possible conditions and bear responsibility for the appropriate use of the information with respect to possible errors, original map scale, collection methodology, currency of data, and other conditions specific to certain data. NCCGIA does not support secondary distribution of this dataset without its current, compliant metadata record. The use of trade names or commercial products does not constitute their endorsement by NCCGIA or North Carolina State Government.

Resource constraints:
Legal constraints:
Access constraints:  otherRestrictions

Other constraints: Other Constraints

Resource constraints:
Legal constraints:
Use constraints:  otherRestrictions

Other constraints: Other Constraints

Spatial representation type:  vector

Processing environment: Esri ArcGIS 12.9.3.32739

Extent:
Geographic element - Bounding rectangle:
West longitude: -84.385435
East longitude: -75.425187
North latitude: 36.596914
South latitude: 33.740263
Extent:
Extent description: Data creation and revision dates

1997-09-01 1999-02-09
Extent:
Geographic element - Bounding rectangle:
Extent contains the resource: true
West longitude: -84.386645
East longitude: -75.424383
North latitude: 36.614927
South latitude: 33.740263
Supplemental information: system filename: hydromaj file size = 6.40 mb Revisions and updates to this layer include: 3.) Previous 1:100,000-scale version was used to select hydro features from 1:24,000-scale coverage to create a new subset of the detailed hydro for purposes of larger scale mapping and making additional attributes available in the major hydrography coverage. Arcs and polygons were created as major_hydro_arcs.shp and major_hydro_polys.shp. In the shapefile version of the polygons, label = 216 was excluded (water offshore) to make the shapefile more suitable for cartographic purposes. 2.) filename: hydromaj299 The February 9, 1999 updates include: a.) Projecting the data from NAD27 datum, State Plane projection, units of measure feet TO: NAD83 DATUM, State Plane PROJECTION, UNITS OF MEASURE METERS. This was done to comply with the NC Geographic Information Coordinating Council's "Statement of Direction for North Carolina Corporate Geographic Database Horizontal Reference, Datum and Unit of Measure". This reprojecting was done in various ways depending on the data type and content. Vector data was projected using the 'project' command in ESRI's Arc software and topology was cleaned and built based on coverage needs. Raster data was projected using ESRI's Grid module and various steps as applicable. b.) Replaced the lake boundary for Falls Lake. Corrected lake boundary digitized from US Army Corps of Engineers 51.5 foot contour overlay that was transferred onto 1:24,000-scale topo sheets. (The original lake contours were surveyed incorrectly and the lake level has since been raised to the correct 251.5 ft level.) c.) Added more detailed stream annotation (anno level 1 - primary streams; anno level 2 - secondary streams). 1.) filename: hydromaj997 The original version was dated September 1997. (perviousl named majhydro) Any previous versions were not offical database releases.

Point of contact - pointOfContact: 
Individual's name: David Giordano
Organization's name: NCCGIA
Contact's position: Database Administrator

Contact information:
Phone:
Voice: 919-754-6580
Fax: 919-715-8551
Address:
Delivery point: 333 E. Six Forks Rd.
City: Raleigh
Administrative area: North Carolina
Postal code: 27609
Country:  US
e-mail address: dataq@its.nc.gov
Hours of service: 8am to 5pm
Contact instructions: Phone and electronic mail preferred

Spatial Representation - Vector:

Level of topology for this dataset:  geometryOnly
Geometric objects:
Object type:  composite
Object count: 21284

Spatial Representation - Vector:

Level of topology for this dataset:  geometryOnly
Geometric objects:
Object type:  composite
Object count: 21284

Reference System Information:

Reference system identifier:
Value: 32119
Code space: EPSG
Version: 4.2(3.0.1)

Data Quality Information:

Scope of quality information:
Level of the data:dataset

Lineage:
Process step:
When the process occurred:  1997-07-21T00:00:00
Description: 1:100,000-scale Digital Line Graph Files were taken from the USGS and refined. Post DLG and data refinements include: a) Translation of DLG to ARC/INFO data format b) Review and correction for incompleteness and/or incorrect DLG attributes c) Internal and external (in-progress) coordinate edgematching of features along map edges d) Addition of hydrographic features as required by DWQ for stream classifications e) Addition of hydrographic attributes as identified in attribute table specifications f) Deletion of all swamp apparent limits and area label points DWQ Stream classification index numbers were marked onto 1:24,000-scale vellum plots of the 1:100,000-scale hydrography. The index numbers were added to the digital files on screen. Where streams were coded by DWQ but not present in the digital file, 1:24,000-scale hydrographic features were digitized off of USGS base maps. Index numbers, stream classes, and stream locations were checked by DWQ using plots generated by CGIA. The linework is tiled to 1:100,000-scale map extents and stored in a digital library. These files are updated as needed.

Process contact - processor: 
Individual's name: David Giordano
Organization's name: NCCGIA
Contact's position: Database Administrator

Contact information:
Phone:
Voice: 919-754-6580
Fax: 919-715-8551
Address:
Delivery point: 20322 Mail Service Center
City: Raleigh
Administrative area: North Carolina
Postal code: 27699
Country:  US
e-mail address: dataq@its.nc.gov
Hours of service: 8am to 5pm
Contact instructions: Phone and electronic mail preferred
Process step:
When the process occurred:  1997-08-31T00:00:00
Description: Water quality for specific stream reaches was evaluated by DWQ and a use support rating assigned. This rating identifies how well a stream reach meets its designated uses. Ratings and additional attributes are maintained in an ACCESS database or EXCEL spreadsheet and updated by river basin on a 5-year rotation. DWQ provided this spreadsheet to RTI for joining to the 100k hydrography data layer. DWQ provides CGIA with updates as they occur.

Process contact - processor: 
Individual's name: Andrea Leslie
Organization's name: NC DEQ - Div. of Water Quality, Water Quality Planning Section
Contact's position: Use Support Coordinator

Contact information:
Phone:
Voice: (919) 733-5083
Fax: (919) 715-5637
Address:
Delivery point: 1617 Mail Center
City: Raleigh
Administrative area: North Carolina
Postal code: 27699-1617
Country:  US
e-mail address: andrea_leslie@h2o.enr.state.nc.us
Hours of service: 8am to 5pm
Contact instructions: prefer telephone or e-mail
Process step:
When the process occurred:  1998-06-01T00:00:00
Description: 100k hydrography was obtained for North Carolina from the Geographic Information & Analysis. 40 1:100,000 quadrangle tiles were imported to ArcView. Tiles were exported as .dbf files to FoxPro. A statewide FoxPro database was created. 305(b) data was obtained as an EXCEL spreadsheet from DWQ and converted to FoxPro. The 305(b) spreadsheet was joined to the hydrography data by index# using FoxPro. Shapefile created in ArcView and exported to ArcInfo. The ArcInfo file was supplied to NC CGIA for final editing.

Process contact - processor: 
Individual's name: Randy Dodd
Organization's name: RTI, Inc.
Contact's position: Environmental Scientist

Contact information:
Phone:
Voice: (919) 563-4694
Fax: (919)
Address:
Delivery point: P.O. Box 12194
City: Research Triangle Park
Administrative area: North Carolina
Postal code: 27709-21194
Country:  US
e-mail address: dodo@rti.org
Hours of service: 8am to 5pm
Contact instructions: prefer telephone or e-mail
Process step:
When the process occurred:  1999-03-01T00:00:00
Description: The statewide 100k hydrography tiles were edgematched and mapjoined. The neatlines were removed and the coverage clipped to the North Carolina State boundary. This file was then clipped to the 17 river basins. Each river basin was edited such that index numbers matched. Attributes were re-named and edited in cooperation with DWQ. GIA updates the digital files as needed.

Process contact - processor: 
Organization's name: NC Center for Geographic Information and Analysis
Contact's position: GIS Analyst

Contact information:
Phone:
Voice: 919-754-6580
Fax: 919-715-8551
Address:
Delivery point: 20322 Mail Service Center
City: Raleigh
Administrative area: North Carolina
Postal code: 27699
Country:  US
e-mail address: dataq@its.nc.gov
Hours of service: 8am to 5pm
Contact instructions: Phone and electronic mail preferred
Source data:
Level of the source data: Paper maps used to locate the stream reaches

Dataset's scale:
Scale denominator: 24000
Source citation:
Title:  USGS 7.5 Minute series quadrangles

Reference date - publication:  1990-01-01

Extent:
Extent description: Publication dates of quadrangles

1938-01-01 1990-01-01
Source data:
Level of the source data: Use support spreadsheet and stream classification schedules

Dataset's scale:
Scale denominator: 24000
Source citation:
Title:  Detailed Hydrography (1:24,000 scale)

Reference date - publication:  1999-03-01

Extent:
Extent description: Original release date

1998-06-01
Source data:
Level of the source data: Edgematching of 100k tiles, clipping of coverage to river basins,editing of ARC/INFO files to split arcs to match DWQ use support reaches, additional attributes added for use support and stream classification information.

Dataset's scale:
Scale denominator: 24000
Source citation:
Title:  Hydrography with Use Support (1:100,000)

Reference date - publication:  1999-01-15

Extent:
Extent description: Original release date

1998-06-01 1999-09-01
Source data:
Level of the source data: Locations of surface waters consisting of streams and rivers, lakes, ponds, and shorelines combined from both 1:24,000 and 1:100,000-scale sources.

Dataset's scale:
Scale denominator: 100000
Source citation:
Title:  Hydrography 100000

Reference date - publication:  1997-07-21

Extent:
Extent description: Original release date of hybrid hydro files

1988-01-01 1997-07-21
Source data:
Level of the source data: Creation of statewide 100k hydrography by joining 1:100,000 tiles; attributed files with 305(b) data received from DWQ.

Dataset's scale:
Scale denominator: 24000
Source citation:
Title:  Use Support/hydrography project

Reference date - publication:  1998-12-31

Extent:
Extent description: Original release date

1998-01-01 1998-01-01
Data quality report - Topological consistency:
Evaluation method: Using ESRI's ARC/INFO GIS software, the dataset was built for arc and polygon topology using the "build" command. The data set was then cleaned with a fuzzy tolerance of 1 meter. Topology has not been edited since the last build or clean.

Data quality report - Conceptual consistency:
Measure description: Using ESRI's ARC/INFO GIS software, the dataset was built for arc and polygon topology using the "build" command. The data set was then cleaned with a fuzzy tolerance of 1 meter. Topology has not been edited since the last build or clean.

Data quality report - Completeness omission:
Measure description: These data represent the locations and identities of surface waters consisting of streams and rivers, lakes, ponds, and shorelines, as depicted on USGS 1:24,000-scale digital line graphs and supplemented to reflect hydrographic features classified by the state but not represented on the original DLG linework. Each stream reach is labeled with stream classification and use support information. All stream segments are approved by DWQ whether they are the original DWQ boundaries or changes to original boundaries.

Data quality report - Quantitative attribute accuracy:
Measure description: All attribute codes have been extensively edited for accuracy by the associated agency. Stream codes, classifications and use support - NCDENR, DWQ; Linework, DLG code - NCCGIA. Attribute accuracy is considered high.

Data quality report - Absolute external positional accuracy:
Measure description: Hydrography 1:24,000-scale features were taken from the USGS 1:24,000-scale DLGs.

Distribution Information:

Distributor:
Distributor information - distributor: 
Organization's name: NC Center for Geographic Information and Analysis
Contact's position: Database Administration

Contact information:
Phone:
Voice: 919-754-6580
Fax: 919-715-8551
Address:
Delivery point: 20322 Mail Service Center
City: Raleigh
Administrative area: North Carolina
Postal code: 27699
Country:  US
e-mail address: dataq@its.nc.gov
Hours of service: 8:30AM - 5:30PM
Contact instructions: Phone and electronic mail preferred
Format:
Format name: ESRI shapefile (*.shp)

Ordering process:
Terms and fees: None. Download from http://www.nconemap.gov is free of charge.

Transfer options:
Online resource:
Online location:http://data.nconemap.gov/downloads/vector/hydromaj.zip
Format:
Format name: Enterprise Geodatabase Feature Class

Transfer options:
Online resource:
Online location:http://www.nconemap.gov

Metadata Information:

Metadata language:  eng
Metadata character set:  utf8


Last update:  2022-05-20

Metadata constraints:
Constraints:
Limitations of use: This metadata file is to accompany the dataset. NCCGIA does not support secondary distribution of this dataset without its current, compliant metadata record. If the dataset described in this metadata record was received from anyone besides NCCGIA, this metadata and the dataset it describes may contain discrepancies.

Metadata contact - pointOfContact: 
Individual's name: David Giordano
Organization's name: North Carolina Center for Geographic Information and Analysis
Contact's position: Database Administration

Contact information:
Phone:
Voice: 919-754-6580
Fax: 919-715-8551
Address:
Delivery point: 20322 Mail Service Center
City: Raleigh
Administrative area: North Carolina
Postal code: 27699
Country:  US
e-mail address: dataq@its.nc.gov
Hours of service: 8am to 5pm
Contact instructions: Phone and electronic mail preferred
Scope of the data described by the metadata:  dataset
Scope name: dataset

Name of the metadata standard used: ISO 19139 Geographic Information - Metadata - Implementation Specification
Version of the metadata standard: 2007

Metadata identifier: 1503692158259r36321891153888974