EPA Reach Address Database The EPA Reach Address Database utilizes a common record layout for all linked data. For more information, visit https://www.epa.gov/waterdata/reach-address-database-rad. 3.3 2017-06-01 eng utf8 US EPA Office of Water 1200 Pennsylvania Avenue, NW MC 4503T Washington DC 20460 USA waters_support@epa.gov owner Linked Data Source FeatureID Summary Each RAD event comprises all or part of a parent source feature id. Source feature id values match to attribute data stored in Water Program Databases. This table lists each unique source feature id, source_originator and start_date in the current RAD dataset along with summarized statistics for all events comprising the set. For program utilizing cycle information, the cycle_year field may replace start_date in the model. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Source_FeatureID Identifier of the entity used in the source data. EPA Office of Water Reach Address Database Specifications String Source_Originator Originator of the event. EPA Office of Water Reach Address Database Specifications String Start_Date The date by which the event first is considered to be valid. EPA Office of Water Reach Address Database Specifications Timestamp Cycle_Year Optional field indicating a year for which the event is considered to be valid. Only a subset of programs track events via cycle year. EPA Office of Water Reach Address Database Specifications String Event_Count Total count of all events. EPA Office of Water Reach Address Database Specifications String Load_Date Initial date the source feature ID was loaded into the reach address database. This represents the date of data processing and has no reflection on the vintage of the events themselves which are expressed through EventDate, Start_Date and Cycle_Year. EPA Office of Water Reach Address Database Specifications Timestamp Update_Date Optional date tracking any subsequent updates to the source feature ID. EPA Office of Water Reach Address Database Specifications Timestamp Loader_ID ID of the authority submitting the source feature ID to the reach address database. This represents the agent doing the indexing and submitting the data through EPA's CDX gateway and does not represent the source of the data which is designated via the Source Originator field. EPA Office of Water Reach Address Database Specifications String Total_Points Total count of all point events participating in the Source Feature ID. EPA Office of Water Reach Address Database Specifications Integer Total_LengthKm Total length in kilometers of all line events participating in the Source Feature ID. EPA Office of Water Reach Address Database Specifications Double Total_AreaSqKm Total area in square kilometers of all area events participating in the Source Feature ID. EPA Office of Water Reach Address Database Specifications Double Point Linked Data The Point Linked Data recordset is utilized to represent 1-dimensional events. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Shape Feature Geometry. EPA Office of Water Reach Address Database Specifications Geometry Permanent_Identifier 40-char GUID value that uniquely identifies the occurrence of each event. EPA Office of Water Reach Address Database Specifications String EventDate Date an event was created. EPA Office of Water Reach Address Database Specifications Timestamp ReachCode Reach Code on which the event is located. EPA Office of Water Reach Address Database Specifications String ReachSMDate Reach Version Date. EPA Office of Water Reach Address Database Specifications Timestamp ReachResolution Source resolution. EPA Office of Water Reach Address Database Specifications Integer Feature_Permanent_Identifier Permanent_Identifier of NHD feature that is referenced as an event. EPA Office of Water Reach Address Database Specifications String FeatureClassRef Domain value identifying the type of feature referenced in Feature_Permanent_Identifier. EPA Office of Water Reach Address Database Specifications Integer Source_Originator Originator of the event. EPA Office of Water Reach Address Database Specifications String Source_DataDesc Description of the entity. EPA Office of Water Reach Address Database Specifications String Source_FeatureID Identifier of the entity used in the source data. EPA Office of Water Reach Address Database Specifications String FeatureDetailURL URL where detailed event entity data can be found. EPA Office of Water Reach Address Database Specifications String Measure Measure along the reach, in percentage from downstream end, where a point event is located. EPA Office of Water Reach Address Database Specifications Double EventOffset Distance from the network to be used to display event. Negative offsets display the event to the left of the network and positive offsets display the event to the right of the line. Offsets are useful for displaying overlapping events. EPA Office of Water Reach Address Database Specifications Double EventType Domain value indicating the program for which the event has been created. EPA Office of Water Reach Address Database Specifications Integer GeogState Abbreviation of the state where the event takes place regardless of the source originator. In most cases this will be the same as source_originator, but they may differ in cases such that tribes, state cooperators, and other non-state specific organizations manage the data. This distinction allows for both state based and management-based analysis. EPA Office of Water Reach Address Database Specifications String Cycle_Year Optional field indicating a year for which the event is considered to be valid. Only a subset of programs track events via cycle year. EPA Office of Water Reach Address Database Specifications String Start_Date The date by which the event first is considered to be valid. EPA Office of Water Reach Address Database Specifications Timestamp End_Date The date by which the event is considered to be closed. EPA Office of Water Reach Address Database Specifications Timestamp WBD_HUC12 NHDPlus WBD HUC12 unit that most encompasses the NHD feature. EPA Office of Water Reach Address Database Specifications String WBD_HUC12_Percent Percentage of the feature contained within the WBD HUC12 unit. EPA Office of Water Reach Address Database Specifications Double InNetwork Y/N flag indicating whether the linked data event occurs upon a NHDPlus networked flowline. EPA Office of Water Reach Address Database Specifications String Navigable Y/N flag indicating whether an event occurs upon NHD flowline features with NHDPlus flow information. EPA Office of Water Reach Address Database Specifications String Coastal Y/N flag indicating whether an event occurs upon a NHD flowline having a coastal FCode. EPA Office of Water Reach Address Database Specifications String Vertices Numeric count of individual vertices in the event record geometry. EPA Office of Water Reach Address Database Specifications Integer Linear Linked Data The Linear Linked Data recordset is utilized to represent linear reached events. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Shape Feature Geometry. EPA Office of Water Reach Address Database Specifications Geometry Permanent_Identifier 40-char GUID value that uniquely identifies the occurrence of each event. EPA Office of Water Reach Address Database Specifications String EventDate Date an event was created. EPA Office of Water Reach Address Database Specifications Timestamp ReachCode Reach Code on which the event is located. EPA Office of Water Reach Address Database Specifications String ReachSMDate Reach Version Date. EPA Office of Water Reach Address Database Specifications Timestamp ReachResolution Source resolution. EPA Office of Water Reach Address Database Specifications Integer Feature_Permanent_Identifier Permanent_Identifier of NHD feature that is referenced as an event. EPA Office of Water Reach Address Database Specifications String FeatureClassRef Domain value identifying the type of feature referenced in Feature_Permanent_Identifier. EPA Office of Water Reach Address Database Specifications Integer Source_Originator Originator of the event. EPA Office of Water Reach Address Database Specifications String Source_DataDesc Description of the entity. EPA Office of Water Reach Address Database Specifications String Source_FeatureID Identifier of the entity used in the source data. EPA Office of Water Reach Address Database Specifications String FeatureDetailURL URL where detailed event entity data can be found. EPA Office of Water Reach Address Database Specifications String FMeasure Measure along the reach, in percent from downstream end, where a linear event begins (from). EPA Office of Water Reach Address Database Specifications Double TMeasure Measure along the reach, in percent from downstream end, where a linear event ends (to). EPA Office of Water Reach Address Database Specifications Double EventOffset Distance from the network to be used to display event. Negative offsets display the event to the left of the network and positive offsets display the event to the right of the line. Offsets are useful for displaying overlapping events. EPA Office of Water Reach Address Database Specifications Double EventType Domain value indicating the program for which the event has been created. EPA Office of Water Reach Address Database Specifications Integer Event_LengthKm Length of the linear event in kilometers. EPA Office of Water Reach Address Database Specifications Double GeogState Abbreviation of the state where the event takes place regardless of the source originator. In most cases this will be the same as source_originator, but they may differ in cases such that tribes, state cooperators, and other non-state specific organizations manage the data. This distinction allows for both state based and management-based analysis. EPA Office of Water Reach Address Database Specifications String Cycle_Year Optional field indicating a year for which the event is considered to be valid. Only a subset of programs track events via cycle year. EPA Office of Water Reach Address Database Specifications String Start_Date The date by which the event first is considered to be valid. EPA Office of Water Reach Address Database Specifications Timestamp End_Date The date by which the event is considered to be closed. EPA Office of Water Reach Address Database Specifications Timestamp WBD_HUC12 NHDPlus WBD HUC12 unit that most encompasses the NHD feature. EPA Office of Water Reach Address Database Specifications String WBD_HUC12_Percent Percentage of the feature contained within the WBD HUC12 unit. EPA Office of Water Reach Address Database Specifications Double InNetwork Y/N flag indicating whether the linked data event occurs upon a NHDPlus networked flowline. EPA Office of Water Reach Address Database Specifications String Navigable Y/N flag indicating whether an event occurs upon NHD flowline features with NHDPlus flow information. EPA Office of Water Reach Address Database Specifications String Coastal Y/N flag indicating whether an event occurs upon a NHD flowline having a coastal FCode. EPA Office of Water Reach Address Database Specifications String Vertices Numeric count of individual vertices in the event record geometry. EPA Office of Water Reach Address Database Specifications Integer Area Linked Data The Area Linked Data recordset is utilized to represent polygon events. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Shape Feature Geometry. EPA Office of Water Reach Address Database Specifications Geometry Permanent_Identifier 40-char GUID value that uniquely identifies the occurrence of each event. EPA Office of Water Reach Address Database Specifications String EventDate Date an event was created. EPA Office of Water Reach Address Database Specifications Timestamp ReachCode Reach Code on which the event is located. EPA Office of Water Reach Address Database Specifications String ReachSMDate Reach Version Date. EPA Office of Water Reach Address Database Specifications Timestamp ReachResolution Source resolution. EPA Office of Water Reach Address Database Specifications Integer Feature_Permanent_Identifier Permanent_Identifier of NHD feature that is referenced as an event. EPA Office of Water Reach Address Database Specifications String FeatureClassRef Domain value identifying the type of feature referenced in Feature_Permanent_Identifier. EPA Office of Water Reach Address Database Specifications Integer Source_Originator Originator of the event. EPA Office of Water Reach Address Database Specifications String Source_DataDesc Description of the entity. EPA Office of Water Reach Address Database Specifications String Source_FeatureID Identifier of the entity used in the source data. EPA Office of Water Reach Address Database Specifications String FeatureDetailURL URL where detailed event entity data can be found. EPA Office of Water Reach Address Database Specifications String EventType Domain value indicating the program for which the event has been created. EPA Office of Water Reach Address Database Specifications Integer Event_AreaSqKm Area of the areal event in square kilometers. EPA Office of Water Reach Address Database Specifications Double GeogState Abbreviation of the state where the event takes place regardless of the source originator. In most cases this will be the same as source_originator, but they may differ in cases such that tribes, state cooperators, and other non-state specific organizations manage the data. This distinction allows for both state based and management-based analysis. EPA Office of Water Reach Address Database Specifications String Cycle_Year Optional field indicating a year for which the event is considered to be valid. Only a subset of programs track events via cycle year. EPA Office of Water Reach Address Database Specifications String Start_Date The date by which the event first is considered to be valid. EPA Office of Water Reach Address Database Specifications Timestamp End_Date The date by which the event is considered to be closed. EPA Office of Water Reach Address Database Specifications Timestamp WBD_HUC12 NHDPlus WBD HUC12 unit that most encompasses the NHD feature. EPA Office of Water Reach Address Database Specifications String WBD_HUC12_Percent Percentage of the feature contained within the WBD HUC12 unit. EPA Office of Water Reach Address Database Specifications Double NHDReach_CAC The coefficient of areal correspondence between the event geometry and its parent NHD reach geometry. A value of 1 indicates the area event geometry is equal to the parent reach geometry. The majority of area events in the RAD are equal to the entire parent reach. EPA Office of Water Reach Address Database Specifications Double Vertices Numeric count of individual vertices in the event record geometry. EPA Office of Water Reach Address Database Specifications Integer Linked Data Event to Metdata The event to metadata record ties together the event geometry record with its metadata record(s). This table exists to allow the model to accommodate multiple metadata records for each event geometry record. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Permanent_Identifier 40-char GUID value that uniquely identifies the occurrence of each event. EPA Office of Water Reach Address Database Specifications String Meta_ProcessID 40-char GUID value that uniquely identifies a metadata process description. EPA Office of Water Reach Address Database Specifications String Linked Data Metadata Event metadata tracks critical information about the submitter of the event and how the event was spatially determined. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Meta_ProcessID 40-char GUID value that uniquely identifies a metadata process description. EPA Office of Water Reach Address Database Specifications String ProcessDescription Explanation of the event and related parameters or tolerances. EPA Office of Water Reach Address Database Specifications String ProcessDate Date when the data was completed. EPA Office of Water Reach Address Database Specifications Timestamp AttributeAccuracyReport Explanation of entities and assignments of values in dataset. EPA Office of Water Reach Address Database Specifications String LogicalConsistencyReport Explanation of fidelity and relationships in dataset and tests used. EPA Office of Water Reach Address Database Specifications String CompletenessReport Information about omissions, criteria, definitions used to derive dataset. EPA Office of Water Reach Address Database Specifications String HorizPositionalAccuracyReport Horizontal coordinate measurements and description of test used. EPA Office of Water Reach Address Database Specifications String VertPositionalAccuracyReport Vertical coordinate measurements and description of test used. EPA Office of Water Reach Address Database Specifications String MetadataStandardName Name of the metadata standard used to document the dataset. EPA Office of Water Reach Address Database Specifications String MetadataStandardVersion Identification of the version of the metadata standard used to document it. EPA Office of Water Reach Address Database Specifications String MetadataDate Date the metadata was last created or updated. EPA Office of Water Reach Address Database Specifications Timestamp DatasetCredit Recognition of those who contributed to the dataset. EPA Office of Water Reach Address Database Specifications String ContactOrganization Name or organization to which type of contact applies. EPA Office of Water Reach Address Database Specifications String AddressType Information provided about the address, i.e. mailing, physical, etc. EPA Office of Water Reach Address Database Specifications String Address Address line for the address. EPA Office of Water Reach Address Database Specifications String City City of the address. EPA Office of Water Reach Address Database Specifications String StateOrProvince State or province of the address. EPA Office of Water Reach Address Database Specifications String PostalCode ZIP or other postal code of the address. EPA Office of Water Reach Address Database Specifications String ContactVoiceTelephone Telephone number to reach organization or individual. EPA Office of Water Reach Address Database Specifications String ContactInstructions Supplemental instructions to contact organization or individual. EPA Office of Water Reach Address Database Specifications String ContactEmailAddress Email address to reach organization or individual. EPA Office of Water Reach Address Database Specifications String Linked Data Source Citation Source Citation metadata tracks information about one or more specific sources used in combination to create an event record. Each event metadata record may have zero or more source citation records. false ObjectID Vendor required surrogate key. 1 1 EPA Office of Water Reach Address Database Specifications OID Source_DatasetID Unique permanent ID value which uniquely identifies a source dataset used. EPA Office of Water Reach Address Database Specifications String Title Name by which the dataset is known. EPA Office of Water Reach Address Database Specifications String SourceCitationAbbreviation Short form alias for source citation. EPA Office of Water Reach Address Database Specifications String Originator Name of organization or individual who developed the dataset. EPA Office of Water Reach Address Database Specifications String PublicationDate Date the dataset is published or made available for release. EPA Office of Water Reach Address Database Specifications Timestamp BeginningDate First year of the event (if range of dates applies). EPA Office of Water Reach Address Database Specifications Timestamp EndingDate Last year of the event (if range of dates applies). EPA Office of Water Reach Address Database Specifications Timestamp SourceContribution Brief statement identifying information contributed by source to dataset. EPA Office of Water Reach Address Database Specifications String SourceScaleDenominator Denomination of representative fraction on a map. EPA Office of Water Reach Address Database Specifications Integer TypeOfSourceMedia The medium of the source dataset, i.e. paper, CD-ROM, online, etc. EPA Office of Water Reach Address Database Specifications String CalendarDate The year (if single date applies). EPA Office of Water Reach Address Database Specifications Timestamp SourceCurrentnessReference Source time period of content information of source dataset is determined. EPA Office of Water Reach Address Database Specifications String Meta_ProcessID 40-char GUID value that uniquely identifies a metadata process description. EPA Office of Water Reach Address Database Specifications String