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Description: The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The DFIRM Database is derived from Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA), and in this case redistributed by the Rhode Island Geographic Information System (RIGIS) at the request of the Rhode Island Emergency Management Agency. Note: the above summary is a slightly modified version from the original metadata record).Flood Hazard Layer is available by county from FEMA. Rhode Island Emergency Management merged counties into a statewide layer. Data processing by FEMA of flood hazard layer by county occurred:Providence County: 12/16/2021Washington County: 10/28/2021Bristol County: 11/17/2018Newport County: 07/05/2021Kent County: 10/28/2021

Copyright Text: Rhode Island Emergency Management Agency

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Description: The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The DFIRM Database is derived from Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA), and in this case redistributed by the Rhode Island Geographic Information System (RIGIS) at the request of the Rhode Island Emergency Management Agency. Note: the above summary is a slightly modified version from the original metadata record).Flood Hazard Layer is available by county from FEMA. Rhode Island Emergency Management merged counties into a statewide layer. Data processing by FEMA of flood hazard layer by county occurred:Providence County: 12/16/2021Washington County: 10/28/2021Bristol County: 11/17/2018Newport County: 07/05/2021Kent County: 10/28/2021

Copyright Text: Rhode Island Emergency Management Agency

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Description: The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The DFIRM Database is derived from Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA), and in this case redistributed by the Rhode Island Geographic Information System (RIGIS) at the request of the Rhode Island Emergency Management Agency. Note: the above summary is a slightly modified version from the original metadata record).Flood Hazard Layer is available by county from FEMA. Rhode Island Emergency Management merged counties into a statewide layer. Data processing by FEMA of flood hazard layer by county occurred:Providence County: 12/16/2021Washington County: 10/28/2021Bristol County: 11/17/2018Newport County: 07/05/2021Kent County: 10/28/2021

Copyright Text: Rhode Island Emergency Management Agency

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Spatial Reference: 102730 (3438)


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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: FID

Unique ID Field:

Name : FID

IsSystemMaintained : True


Global ID Field:

Type ID Field: FLD_ZONE

Fields:
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• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Types:

ID: A
Name: A
Domains:

Templates:

Name: A
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• FLD_ZONE: A

---

ID: AE
Name: AE
Domains:

Templates:

Name: AE
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• FLD_ZONE: AE

---

ID: AH
Name: AH
Domains:

Templates:

Name: AH
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

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---

ID: AO
Name: AO
Domains:

Templates:

Name: AO
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• FLD_ZONE: AO

---

ID: OPEN WATER
Name: OPEN WATER
Domains:

Templates:

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Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

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---

ID: VE
Name: VE
Domains:

Templates:

Name: VE
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

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---

ID: X
Name: X
Domains:

Templates:

Name: X
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

• FLD_ZONE: X

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Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 2/20/2026 11:19:30 PM

Schema Last Edit Date: 2/20/2026 11:19:30 PM

Data Last Edit Date: 2/20/2026 11:15:01 PM