Dams

Citation:

Citation Information:

Title: Dams

Description:

Abstract: ArcInfo point dataset describes the general location of Dams and related structures on rivers or streams with in the State of Rhode Island
Purpose:
Data was originally created for use by the Rhode Island Dept. Of Environmental Management as a general aid in locating dams for inspection under the Division of Compliance & Inspection's Dam Safety Program
Time Period of Content:

Time Period Information:

Single Date/Time:

Calendar Date: 2000

Currentness Reference: publication date

Status:

Progress: In Work
Maintenance and Update Frequency: Irregular

Spatial Domain:

Bounding Coordinates:

West Bounding Coordinate: -71.87166
East Bounding Coordinate: -71.11464
North Bounding Coordinate: 42.03855
South Bounding Coordinate: 41.13553

Keywords:

Theme:

Theme Keyword Thesaurus: none
Theme Keyword: dam
Theme Keyword: impoundments
Theme Keyword: flood
Theme Keyword: fish ladder
Theme Keyword: flood

Place:

Place Keyword Thesaurus: none
Place Keyword: New England
Place Keyword: Rhode Island
Place Keyword: Northeast
Place Keyword: United State

Access Constraints: none
Use Constraints: Data not intended for use at scales greater than 1:24,000. No assumptions should be made based upon location of point relative to any other spatial dataset.
Point of Contact:

Contact Information:

Contact Organization Primary:

Contact Organization: State of Rhode Island, Department of Environmental Management
Contact Person: Paul Jordan

Contact Position: GIS Manager
Contact Address:

Address Type: mailing and physical address
Address:
RIDEM / GIS Program 235 Promenade Street

City: Providence
State or Province: RI
Postal Code: 02980
Country: USA

Contact Voice Telephone: 401-222-2776 x4315
Contact Facsimile Telephone: 401-222-2069
Contact Electronic Mail Address: pjordan@dem.state.ri.us
Hours of Service: 8:30am to 4:30pm (Eastern)
Contact Instructions: e-mail preferred

Data Set Credit: Paul Guglielmino, RI Dam Safety Inspector
Native Data Set Environment: ArcInfo 8.0, Windows NT 4.0

Attribute Accuracy:

Attribute Accuracy Report:
There are known errors in the attributes. Persons desiring detailed information on any of the locations described in this data should contact the Rhode Island Dept of Environmental Management, Office of Compliance and Inspection
Logical Consistency Report: point features present
Completeness Report: Point Data is complete for all dams in Rhode Island known the State Dam Safety Inspector
Positional Accuracy:

Horizontal Positional Accuracy:

Horizontal Positional Accuracy Report: No comprehensive analysis has been done on locational accuracy.

Lineage:

Process Step:

Process Description:
Points were placed via heads-up digitizing over digital USGS 1:24,000 Topo Maps. All digitizing was done by personnel with first hand knowledge of site characteristics based on field visits.

Process Date: Not complete
Process Contact:

Contact Information:

Contact Organization Primary:

Contact Organization: State of Rhode Island, Department of Environmental Management
Contact Person: Paul Jordan

Contact Position: GIS Manager
Contact Address:

Address Type: mailing and physical address
Address:
RIDEM / GIS Program 235 Promenade Street

City: Providence
State or Province: RI
Postal Code: 02980
Country: USA

Contact Voice Telephone: 401-222-2776 x4315
Contact Facsimile Telephone: 401-222-2069
Contact Electronic Mail Address: pjordan@dem.state.ri.us
Hours of Service: 8:30am to 4:30pm (Eastern)
Contact Instructions: e-mail preferred

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: 540

Horizontal Coordinate System Definition:

Planar:

Grid Coordinate System:

Grid Coordinate System Name: State Plane Coordinate System 1983
State Plane Coordinate System:

SPCS Zone Identifier: 3800
Transverse Mercator:

Scale Factor at Central Meridian: 0.9999375
Longitude of Central Meridian: -71.5
Latitude of Projection Origin: 41.0833333333
False Easting: 100000
False Northing: 0

Planar Coordinate Information:

Planar Coordinate Encoding Method: Coordinate Pair
Coordinate Representation:

Abscissa Resolution: 1
Ordinate Resolution: 1

Planar Distance Units: svy_ft

Geodetic Model:

Horizontal Datum Name: North American Datum of 1983
Ellipsoid Name: Geodetic Reference System 80
Semi-major Axis: 6378206
Denominator of Flattening Ratio: 294.9786982

Detailed Description:

Entity Type:

Entity Type Label: ri_dams.pat
Entity Type Definition: point attribute table
Entity Type Definition Source: RI Dept of Environmental Management

Overview Description:

Entity and Attribute Overview:
ITEMS IN THE PAT
ID official state identification number
NAME official state name
COUNTY county where dam is located
NAT_ID official national identification of dam
AKA alternate dam name
TOWN town where dam is located
RIVER river or stream on which dam is located
NEAR_TOWN name of nearest city or town that is most likely to be affected by floods resulting from dam failure
TYPE dam construction and material
PURPOSE purpose(s) for which reservoir or impoundment is used
COMPLETED date of dams construction completion
DAM_LEN length of dam in feet (to the nearest foot). Include spillway, fish passage, etc.,
DAM_HGT height of the dam in feet (to the nearest foot) from the lowest point in the original stream bed to the lowest point on the crest of the dam
MAX_DISCHG number of Cubic feet per second that the spillway is capable of discharging when the reservoir is at its maximum designed water surface elevation
MAX_STOR total storage space of the reservoir, in acre-feet, below the maximum attainable water surface elevation

Entity and Attribute Detail Citation: none

Metadata Date: 10/15/2000
Metadata Review Date: 10/15/2000
Metadata Future Review Date: 10/15/2001
Metadata Contact:

Contact Information:

Contact Organization Primary:

Contact Organization: State of Rhode Island, Department of Environmental Management
Contact Person: Paul Jordan

Contact Position: GIS Manager
Contact Address:

Address Type: mailing and physical address
Address:
RIDEM / GIS Program 235 Promenade Street

City: Providence
State or Province: RI
Postal Code: 02980
Country: USA

Contact Voice Telephone: 401-222-2776 x4315
Contact Facsimile Telephone: 401-222-2069
Contact Electronic Mail Address: pjordan@dem.state.ri.us
Hours of Service: 8:30am to 4:30pm (Eastern)
Contact Instructions: e-mail preferred

Metadata Standard Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata Standard Version: 19940608
Metadata Time Convention: local time