20260225
13062700
1.0
FALSE
dams_nid_new
002
Projected
GCS_North_American_1983_HARN
Linear Unit: Meter (1.000000)
NAD_1983_HARN_UTM_Zone_4N
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20260227
16103300
20260227
16103300
150000000
5000
FGDC
Esri ArcGIS 13.3.0.52636
dams_nid
Regulated dams in Hawaii as of February 2026. Source: DLNR Engineering Branch, February 25, 2026. This data is continuously updated by the State of Hawaii Dam Safety Program at https://dams.hawaii.gov. It can also be found on the National Inventory of Dams (NID): https://nid.sec.usace.army.mil/#/. FOR THE MOST CURRENT INFORMATION, PLEASE VISIT THE DAM SAFETY WEBSITE, REFERENCED ABOVE. For attribute definitions, please see https://files.hawaii.gov/dbedt/op/gis/data/NID_Hawaii_DataDictionary_20231127.pdf. For more information, please see metadata at https://files.hawaii.gov/dbedt/op/gis/data/dams_nid.pdf or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, Hi. 96804; (808) 587-2846; email: gis@hawaii.gov; Website: https://planning.hawaii.gov/gis.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Regulated dams in Hawaii as of February 2026. Source: DLNR Engineering Branch, February 25, 2026. This data is continuously updated by the State of Hawaii Dam Safety Program at </SPAN><A href="https://dams.hawaii.gov/" target="_blank" STYLE="text-decoration:underline;"><SPAN>https://dams.hawaii.gov</SPAN></A><SPAN>. It can also be found on the National Inventory of Dams (NID): </SPAN><A href="https://nid.sec.usace.army.mil/#/" target="_blank" STYLE="text-decoration:underline;"><SPAN>https://nid.sec.usace.army.mil/#/</SPAN></A><SPAN>. FOR THE MOST CURRENT INFORMATION, PLEASE VISIT THE DAM SAFETY WEBSITE, REFERENCED ABOVE. For attribute definitions, please see </SPAN><A href="https://files.hawaii.gov/dbedt/op/gis/data/NID_Hawaii_DataDictionary_20231127.pdf" target="_blank" STYLE="text-decoration:underline;"><SPAN>https://files.hawaii.gov/dbedt/op/gis/data/NID_Hawaii_DataDictionary_20231127.pdf</SPAN></A><SPAN>. </SPAN></P><P><SPAN>For more information, please see metadata at </SPAN><A href="https://files.hawaii.gov/dbedt/op/gis/data/dams_nid.pdf" target="_blank" STYLE="text-decoration:underline;"><SPAN>https://files.hawaii.gov/dbedt/op/gis/data/dams_nid.pdf</SPAN></A><SPAN> or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, Hi. 96804; (808) 587-2846; email: </SPAN><A href="mailto:gis@hawaii.gov" target="_blank" STYLE="text-decoration:underline;"><SPAN>gis@hawaii.gov</SPAN></A><SPAN>; Website: </SPAN><A href="https://planning.hawaii.gov/gis" target="_blank" STYLE="text-decoration:underline;"><SPAN>https://planning.hawaii.gov/gis</SPAN></A><SPAN>.</SPAN></P></DIV></DIV></DIV>
Department of Land and Natural Resources, Flood Control and Dam Safety Section, Dam Safety Unit; Hawaii Statewide GIS Program
Hawaii; dam; dams; NID; infrastructure; reservoirs; inland waters; structures
<DIV STYLE="text-align:Left;"><DIV><P><SPAN>For the most current information, please visit the </SPAN><A href="https://dams.hawaii.gov/" target="_blank" STYLE="text-decoration:underline;"><SPAN>dam safety website</SPAN></A><SPAN>, referenced above</SPAN></P></DIV></DIV>
File Geodatabase Feature Class
dataset
EPSG
6.13(10.0.0)
0
Simple
FALSE
0
TRUE
FALSE
dams_nid_new
Feature Class
0
OBJECTID
ObjectId
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
Record_ID
Record ID
Integer
4
0
0
Dam_Name
Dam Name
String
4000
0
0
Other_Dam_Names
Other Dam Names
String
4000
0
0
Dam_Former_Name
Dam Former Name
String
4000
0
0
State_or_Federal_Agency_ID
State or Federal Agency ID
String
4000
0
0
NID_ID
NID ID
String
4000
0
0
Number_Separate_Structures
Number Separate Structures
String
4000
0
0
Other_Structure_ID
Other Structure ID
String
4000
0
0
Longitude
Longitude
Double
8
0
0
Latitude
Latitude
Double
8
0
0
County
County
String
4000
0
0
River_or_Stream
River or Stream
String
4000
0
0
Nearest_Downstream_City_Town
Nearest Downstream City/Town
String
4000
0
0
Distance_to_Nearest_City_Town
Distance to Nearest City/Town
Double
8
0
0
Owner_Name
Owner Name
String
4000
0
0
Owner_Type
Owner Type
String
4000
0
0
Dam_Designer
Dam Designer
String
4000
0
0
Non_Federal_Dam_On_Federal_Property
Non-Federal Dam On Federal Property
String
4000
0
0
Dam_Type
Dam Type
String
4000
0
0
Core
Core
String
4000
0
0
Foundation
Foundation
String
4000
0
0
Purposes
Purposes
String
4000
0
0
Year_Completed
Year Completed
Integer
4
0
0
Year_Modified
Year Modified
String
4000
0
0
Dam_Length
Dam Length
Integer
4
0
0
Dam_Height
Dam Height
String
256
0
0
Structural_Height
Structural Height
String
256
0
0
Hydraulic_Height
Hydraulic Height
String
256
0
0
NID_Height
NID Height
String
256
0
0
Maximum_Discharge
Maximum Discharge
String
256
0
0
Maximum_Storage
Maximum Storage
String
256
0
0
Normal_Storage
Normal Storage
String
256
0
0
NID_Storage
NID Storage
String
256
0
0
Surface_Area
Surface Area
Double
8
0
0
Drainage_Area
Drainage Area
Double
8
0
0
Downstream_Hazard_Potential
Downstream Hazard Potential
String
4000
0
0
Emergency_Action_Plan
Emergency Action Plan
String
4000
0
0
Date_of_Last_Revision_of_Emergency_Action_Plan
Date of Last Revision of Emergency Action Plan
Date
8
1
0
Inspection_Date
Inspection Date
Date
8
1
0
Inspection_Frequency
Inspection Frequency
Integer
4
0
0
Condition_Assessment
Condition Assessment
String
4000
0
0
Condition_Assessment_Date
Condition Assessment Date
Date
8
1
0
Spillway_Type
Spillway Type
String
4000
0
0
Spillway_Width
Spillway Width
Double
8
0
0
Volume_of_Dam
Volume of Dam
String
4000
0
0
Number_of_Locks
Number of Locks
Integer
4
0
0
Length_of_Locks
Length of Locks
Integer
4
0
0
Lock_Width
Lock Width
Integer
4
0
0
Permitting_Authority
Permitting Authority
String
4000
0
0
Inspection_Authority
Inspection Authority
String
4000
0
0
Enforcement_Authority
Enforcement Authority
String
4000
0
0
State_Jurisdictional_Dam
State Jurisdictional Dam
String
4000
0
0
State_Regulated_Dam
State Regulated Dam
String
4000
0
0
State_Regulatory_Agency
State Regulatory Agency
String
4000
0
0
Federal_Agency_Involvement_in_Funding
Federal Agency Involvement in Funding
String
4000
0
0
Federal_Agency_Involvement_in_Design
Federal Agency Involvement in Design
String
4000
0
0
Federal_Agency_Involvement_in_Construction
Federal Agency Involvement in Construction
String
4000
0
0
Federal_Agency_Involvement_in_Regulatory
Federal Agency Involvement in Regulatory
String
4000
0
0
Federal_Agency_Involvement_in_Inspection
Federal Agency Involvement in Inspection
String
4000
0
0
Federal_Agency_Involvement_in_Operation
Federal Agency Involvement in Operation
String
4000
0
0
Federal_Agency_Owner
Federal Agency Owner
String
4000
0
0
Federal_Agency_Involvement___Other
Federal Agency Involvement - Other
String
4000
0
0
Source_Agency
Source Agency
String
4000
0
0
State
State
String
4000
0
0
Submit_Date
Submit Date
Date
8
1
0
Url_Address
Url Address
String
4000
0
0
Congressional_Representative
Congressional Representative
String
4000
0
0
Congressional_Representative_Party
Congressional Representative Party
String
4000
0
0
Congressional_Representative_District
Congressional Representative District
String
4000
0
0
Operational_Status
Operational Status
String
4000
0
0
Operational_Status_Date
Operational Status Date
Date
8
1
0
20260227