Dam Inventory

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator:
Jim Weber, New Hampshire Department of Environmental Services, Dam Safety Engineer
Publication_Date: 20220324
Title: Dam Inventory
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: http://www.granit.unh.edu/cgi-bin/nsearch?dset=damsnh/nh
Description:
Abstract:
This dataset provides the locations of registered dams in New Hampshire with basic data fields. Additional data fields are available and may be requested by contacting the DES Resource Point of Contact provided below.
Purpose:
This dataset shows the locations of all dams in New Hampshire registered with the New Hampshire Department of Environmental Services.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19200101
Ending_Date: 20220324
Currentness_Reference:
The data are complete as of the publication date. Updates and/or changes to the layer are made continually.
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Annually
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -72.569479
East_Bounding_Coordinate: -70.715758
North_Bounding_Coordinate: 45.284693
South_Bounding_Coordinate: 42.699294
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: dam, dams, water, river, lake, surface water, drainage area
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: environment
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: New Hampshire, NH
Access_Constraints: None
Use_Constraints:
User is required to read metadata completely before using the data. The information provided in this shapefile is a subset of spatial databases developed by NHDES. Development of these databases is an ongoing project. They may not contain all existing and potential sites, stations, or threats. NHDES is not responsible for the use or interpretation of this information, or for any inaccuracies in the site names, tax map and lot information, or locations. All information is subject to verification. These data are to be used for planning purposes only. Distribution is discouraged.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: New Hampshire Department of Environmental Services
Contact_Person: Jim Weber
Contact_Position: Dam Safety Engineer
Contact_Address:
Address_Type: mailing and physical
Address: 29 Hazen Drive
City: Concord
State_or_Province: New Hampshire
Postal_Code: 03302
Country: US
Contact_Voice_Telephone: 603-271-8699
Contact_Electronic_Mail_Address: james.weber@des.nh.gov
Data_Set_Credit: New Hampshire Department of Environmental Services
Native_Data_Set_Environment: Version 6.2 (Build 9200); Esri ArcGIS 10.8.0.12790
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: point
Point_and_Vector_Object_Count: 5238
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: NAD 1983 2011 StatePlane New Hampshire FIPS 2800 Ft US
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9999666666666667
Longitude_of_Central_Meridian: -71.66666666666667
Latitude_of_Projection_Origin: 42.5
False_Easting: 984250.0
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.000000007286182768240225
Ordinate_Resolution: 0.000000007286182768240225
Planar_Distance_Units: foot_us
Geographic:
Geographic: Coordinate System: GCS NAD 1983 2011
Datum: D NAD 1983 2011
Prime Meridian: Greenwich
Angular Unit: Degree
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: damsnh
Entity_Type_Definition: NH Dam listing
Entity_Type_Definition_Source: NHDES
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: DAM
Attribute_Definition: NH Dam Identification Number
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: HAZCL
Attribute_Definition:
This is the hazard classification of the dam. The hazard classification is determined by a review of the downstream damages that would result from a failure of the dam. It is not based on the structural condition of the dam.
Attribute_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: L
Enumerated_Domain_Value_Definition: Low hazard
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: NM
Enumerated_Domain_Value_Definition: Non-menace
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: S
Enumerated_Domain_Value_Definition: Significant hazard
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: H
Enumerated_Domain_Value_Definition: High hazard
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute:
Attribute_Label: STATUS
Attribute_Definition: Indicates the activity status of the dam.
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: USE
Attribute_Definition: The main use of the dam.
Attribute_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: F
Enumerated_Domain_Value_Definition: Flood control
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: H
Enumerated_Domain_Value_Definition: Hydro
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: L
Enumerated_Domain_Value_Definition: Lagoon
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: R
Enumerated_Domain_Value_Definition: Recreation
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: W
Enumerated_Domain_Value_Definition: Water supply
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: D
Enumerated_Domain_Value_Definition: Detention
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: M
Enumerated_Domain_Value_Definition: Mill
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: C
Enumerated_Domain_Value_Definition: Conservation/agriculture
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: P
Enumerated_Domain_Value_Definition: Fire protection
Enumerated_Domain_Value_Definition_Source: NHDES
Attribute:
Attribute_Label: TOWN
Attribute_Definition: The town in which the dam is located
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: NAME
Attribute_Definition: The common name of the dam
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: CNTY
Attribute_Definition: NH county dam is located in
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: RIVER
Attribute_Definition: River, stream or waterbody dam is located on
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: LENGTH
Attribute_Definition: Length of the dam in feet
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: IMPND
Attribute_Definition: Size of the impoundment in acres
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: HEIGHT
Attribute_Definition: The maximum height of the dam in feet
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: DAAC
Attribute_Definition: Area of the drainage area in acres (AC)
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: NATDAMID
Attribute_Definition: Army Corp of Engineers National Dam identification number
Attribute_Definition_Source: ACOE
Attribute:
Attribute_Label: FERC
Attribute_Definition:
Federal Energy Regulation Commission (FERC) dam identification number
Attribute_Definition_Source: FERC
Attribute:
Attribute_Label: DOWNER
Attribute_Definition: Dam owner
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: LATITUDE
Attribute_Definition: Latitude coordinates for the dam in decimal degrees
Attribute_Definition_Source: NHDES
Attribute:
Attribute_Label: LONGITUDE
Attribute_Definition: Longitude coordinates for the dam in decimal degrees
Attribute_Definition_Source: NHDES
Distribution_Information:
Distribution_Liability: See access and use constraints information.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Shapefile
Transfer_Size: 0.140
Digital_Transfer_Option:
Metadata_Reference_Information:
Metadata_Date: 20220324
Metadata_Future_Review_Date: 20220324
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: New Hampshire Department of Environmental Services
Contact_Person: Jim Weber
Contact_Position: Dam Safety Engineer
Contact_Address:
Address_Type: mailing and physical
Address: 29 Hazen Drive
City: Concord
State_or_Province: New Hampshire
Postal_Code: 03302
Country: US
Contact_Voice_Telephone: 603-271-8699
Contact_Electronic_Mail_Address: james.weber@des.nh.gov
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Generated by mp version 2.9.44 on Tue Apr 19 12:57:31 2022