Description: This dataset provides the physical locations of polling places used for in-person voting on Election Day. Each point typically includes the facility name, address, and associated precinct number. It serves as a spatial reference to help citizens identify their assigned voting site. Note that while early voting sites may overlap with these locations, this layer is specifically maintained to reflect Election Day precinct assignments as determined by the Supervisor of Elections (SOE).
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Supervisor of Elections (SOE) Office; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset contains the physical locations of religious institutions across Nassau County. Each point typically includes the name of the organization and its physical address. This layer is maintained for general community mapping and to assist in identifying non-profit or tax-exempt religious properties for spatial analysis.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO) GIS Department.
Description: This layer maps the intersections of rail lines and roadways. It is used to support transportation planning, public safety routing, and infrastructure maintenance coordination. It helps identify potential traffic bottlenecks or areas requiring specialized emergency response protocols.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO) GIS Department; Florida Department of Transportation (FDOT).
Description: This dataset identifies the locations of fire and rescue facilities operated by or affiliated with Nassau County. It is used to support public safety mapping, emergency response analysis, and facility management. Points generally include the station number and physical address.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Fire-Rescue; Nassau County Property Appraiser’s Office (NCPAO) GIS Department.
Description: This layer contains locations for public, private, and charter schools serving K-12 students. It is used for school zone planning, demographic analysis, and providing information to residents.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County School District; Nassau County Property Appraiser’s Office (NCPAO) GIS Department.
Description: This dataset identifies exit points along major highways (such as I-95) within the county. It supports transportation mapping, wayfinding, and economic development analysis near major transit corridors.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Florida Department of Transportation (FDOT); Nassau County Property Appraiser’s Office (NCPAO) GIS Department.
Description: U.S. Airports represents airport grounds and airport runways within the United States. All airports have a boundary, and most have at least one runway. This layer identifies public and private aviation facilities, including municipal airports and private airstrips. It is used for regional transportation planning and land use height restriction analysis.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: ESRI ArcGIS Data and Maps; Federal Aviation Administration (FAA); Nassau County Property Appraiser’s Office (NCPAO) GIS Department.
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Description: This dataset represents address points placed within property boundaries. Whenever feasible, points are geocoded specifically "on-top" of the primary structure to which the address is assigned. This layer includes apartment labels, suite numbers, and sub-addressing details. It is a living dataset; the NCPAO GIS Department performs ongoing updates as new addresses are assigned, developments are platted, or correction requests are received from the E911 Coordinator and the USPS.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser's Office (NCPAO) GIS Department; United States Postal Service (USPS); Nassau County E911 Coordinator.
Description: This layer serves as the authoritative road centerline dataset for Nassau County. It contains detailed attribution for each segment, including prefix, street name, type, suffix, and left/right address ranges (To/From). It is specifically designed to support E911 dispatching and routing, ensuring that emergency vehicles can navigate effectively throughout the county. The network includes both paved and unpaved roads known to the county.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser's Office (NCPAO) GIS Department; Nassau County E911 Coordinator; Nassau County Public Works.
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Description: This dataset provides the centerline locations of railroad tracks across the county. It is based on US Census Bureau TIGER/Line data and supplemented by local imagery for spatial alignment. The layer is used for land use planning, environmental impact studies, and transportation logistics analysis.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: US Census Bureau (TIGER/Line); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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Description: This layer provides the state line and county boundaries for the Northeast Florida and Southeast Georgia region. It has been modified from the 2019 TIGER/Line files to better align with local GIS standards for regional mapping and comparative analysis.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: US Census Bureau (TIGER/Line); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset defines the geographic areas for each of the five commission districts in Nassau County. It is used to identify which commissioner represents a specific property or resident and to support redistricting and equitable representation analysis.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Board of County Commissioners; Nassau County Supervisor of Elections; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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Description: This layer identifies the specific zones that determine which public school a student attends based on their residential address. It is used for school capacity planning, transportation logistics, and real estate reference.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County School District; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset contains the 2010 statistical subdivisions of the county used for the decennial census. It includes attributes such as population counts and basic demographic markers. It serves as a historical and statistical baseline for grant applications, community planning, and demographic research.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: United States Census Bureau; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset defines the geographic boundaries of the voting precincts as established by the Supervisor of Elections. Each precinct is associated with a specific polling location. This layer is critical for election administration and helping voters identify their designated voting area.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Supervisor of Elections (SOE); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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Description: This dataset is utilized by planning and building departments to evaluate lot split eligibility. In Nassau County, a parent tract refers to a lot of record existing on this specific date.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO) GIS Department; Nassau County Planning & Economic Opportunity.
Description: These layers display verified market transactions used by the Property Appraiser to determine property values. "Approved sales" typically exclude non-arm's-length transactions (such as family transfers or corrective deeds) to provide a more accurate picture of the local real estate market.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO).
Description: These layers display verified market transactions used by the Property Appraiser to determine property values. "Approved sales" typically exclude non-arm's-length transactions (such as family transfers or corrective deeds) to provide a more accurate picture of the local real estate market.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO).
Description: These layers display verified market transactions used by the Property Appraiser to determine property values. "Approved sales" typically exclude non-arm's-length transactions (such as family transfers or corrective deeds) to provide a more accurate picture of the local real estate market.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO).
Description: These layers display verified market transactions used by the Property Appraiser to determine property values. "Approved sales" typically exclude non-arm's-length transactions (such as family transfers or corrective deeds) to provide a more accurate picture of the local real estate market.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO).
Description: These layers display verified market transactions used by the Property Appraiser to determine property values. "Approved sales" typically exclude non-arm's-length transactions (such as family transfers or corrective deeds) to provide a more accurate picture of the local real estate market.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO).
Description: These layers display verified market transactions used by the Property Appraiser to determine property values. "Approved sales" typically exclude non-arm's-length transactions (such as family transfers or corrective deeds) to provide a more accurate picture of the local real estate market.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO).
Description: This layer maps residential and commercial developments that have undergone the formal platting process. It provides a quick reference for subdivision names and legal development areas.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser’s Office (NCPAO) GIS Department; Nassau County Clerk of Courts.
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Description: This dataset divides the county into Survey Townships (36 sq. miles) and Sections (1 sq. mile). It is the foundational grid used for legal descriptions in Florida. Each section is identified by its Section, Township, and Range (STR) coordinates. The Nassau County PLSS framework was originally established via a professional consultancy project aimed at creating a high-precision digital GIS parcel map. This foundational project involved establishing geodetic control and incorporating recorded deeds to compile a complete countywide framework. Unlike a static grid, this layer is a living dataset. As new plats are recorded and the Nassau County Property Appraiser's Office (NCPAO) GIS Department receives updated survey information, the PLSS polylines are adjusted to reflect these new measurements. This ensures the framework maintains optimal alignment with current survey-grade data and provides a reliable base for the county’s cadastral mapping.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser's Office (NCPAO) GIS Department;
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Description: CDDs are special-purpose government units created to finance, infrastructure, and manage community facilities in specific growth areas. These districts allow developers to finance high-quality infrastructure through the sale of bonds
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: NCPAO GIS Department; Nassau County Planning Department.
Description: Specialized land use zones based on a transect model that define the character, density, and intensity of development within the William Burgess Overlay area. It encourages walkable, mixed-use growth.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: NCPAO GIS Department; Nassau County Planning Department.
Description: This layer regulates the visual and functional character of the SR 200 corridor. The transects ensure cohesive regional growth by managing building placement, landscaping, and access along the highway.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: NCPAO GIS Department; Nassau County Planning Department.
Description: A large-scale sector plan area designed for long-term, master-planned community growth. This area includes the Wildlight development and focuses on sustainable land use and infrastructure integration.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: NCPAO GIS Department; Nassau County Planning Department.
Name: Unincorporated Nassau County Overlay Districts
Display Field: Dsitrict
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: These layers overlap base zoning districts to provide specific site-design or usage restrictions tailored to unique geographic or environmental areas in the unincorporated county.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: NCPAO GIS Department; Nassau County Planning Department.
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Name: Unincorporated Nassau County Future Land Use
Display Field: FLUM
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: The Future Land Use (FLU) map establishes the community's policies and priorities for future physical and economic development. It identifies where infrastructure and growth demands will be focused through 2030.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: NCPAO GIS Department; Nassau County Planning Department.
Description: This dataset identifies the future land use categories for properties within the corporate limits of the Town of Callahan. It serves as a blueprint for the town's intended growth patterns and ensures that development aligns with the town's comprehensive planning goals.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Town of Callahan; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer represents the regulatory zones that govern the immediate use of land in the Town of Hilliard. It defines the specific requirements for building height, setbacks, lot coverage, and permitted activities (residential, commercial, industrial, etc.) within each district. v
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Town of Hilliard; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset represents the intended future distribution and intensity of land uses in Hilliard. It provides the framework for the Town's growth management policies and serves as the legal basis for making decisions on zoning changes and development approvals to ensure orderly community expansion.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Town of Hilliard; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: Areas identified for their significant historical, architectural, or cultural value. These districts are subject to specific design review by the Historic District Council (HDC).
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: City of Fernandina Beach; NCPAO GIS Department.
Description: Part of the National Main Street Program, this district focuses on strengthening the community through the economic vitality of the historic downtown area.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: City of Fernandina Beach; Fernandina Beach Main Street; NCPAO GIS Department.
Description: A public entity boundary created to implement redevelopment activities under the Community Redevelopment Act (Chapter 163, Part III, Florida Statutes).
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: City of Fernandina Beach; NCPAO GIS Department.
Description: This dataset represents the current regulatory districts that govern land use, density, and building standards within the City of Fernandina Beach. It defines specific requirements for residential, commercial, industrial, and mixed-use areas, including setbacks, building heights, and allowable activities. This layer is a primary tool for managing urban development and preserving the character of the city.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: City of Fernandina Beach Planning & Conservation Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer illustrates the City's long-term vision for the distribution, location, and extent of land uses. It serves as the foundation for the City’s Comprehensive Plan, guiding future growth, infrastructure investment, and environmental conservation. The Future Land Use (FLU) map is used to ensure that proposed developments and zoning changes are consistent with the City’s established growth policies and sustainability goals.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: City of Fernandina Beach Planning & Conservation Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset provides the locations of physical survey monuments maintained by the FDEP. These points serve as a control framework for measuring beach erosion, accretion, and topographical changes over time, helping the county and state manage coastal resources and storm impact assessments.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Florida Department of Environmental Protection (FDEP); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer includes the Coastal Construction Control Line (CCCL) and other erosion-related boundaries. These lines define areas where special state permits are required for construction to protect the beach and dune system from improper development.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Florida Department of Environmental Protection (FDEP); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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Description: This dataset defines the boundaries of submerged lands and associated waters that have been set aside for their exceptional biological, aesthetic, and scientific value. These areas are managed to maintain their natural condition for future generations.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Florida Department of Environmental Protection (FDEP).
Description: This layer indicates the probable location of wetlands based on aerial imagery and vegetation analysis. It is used for broad-scale environmental planning and identifying areas that may require federal or state permitting.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: U.S. Fish & Wildlife Service (USFWS); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: Based on the USDA Soil Conservation Service data, this layer identifies various soil types across the county. It includes information on drainage, permeability, and suitability for agricultural or engineering uses.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: United States Department of Agriculture (USDA) – Natural Resources Conservation Service (NRCS).
Description: This dataset tracks the locations of properties where an official FEMA Elevation Certificate has been filed. These certificates verify the elevation of the lowest floor of a structure relative to the Base Flood Elevation (BFE) and are used for flood insurance ratings and CRS compliance.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Building Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: A LOMA is an official document issued by FEMA which states that an existing structure or parcel of land—that has not been elevated by fill—is on natural high ground and was inadvertently mapped as being within a Special Flood Hazard Area (SFHA). This layer identifies properties that have been officially removed from a high-risk flood zone designation, often allowing for the removal of mandatory flood insurance requirements.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Federal Emergency Management Agency (FEMA); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: A LOMR is an official revision to the currently effective National Flood Insurance Program (NFIP) map. It is used to show changes to floodplains, regulatory floodways, or Base Flood Elevations (BFEs) usually resulting from physical changes such as new bridge construction, culvert improvements, or modified channel conditions. Unlike a LOMA, which is typically property-specific, a LOMR usually results in a broader update to the spatial data of the Flood Insurance Rate Map (FIRM).
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Federal Emergency Management Agency (FEMA); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset represents the flood hazard designations for the City of Fernandina Beach based on the 2007 Flood Insurance Study. While newer maps have since been adopted, this layer remains accessible for historical reference and permit tracking. For official flood protection information, users should consult the City of Fernandina Beach Building Department.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Federal Emergency Management Agency (FEMA); City of Fernandina Beach Building Department; NCPAO GIS Department.
Description: The LiMWA line identifies the "Coastal A Zone," an area where wave action is sufficient to cause significant damage to structures not built to coastal standards. While not a formal regulatory boundary for the NFIP, many local building codes require V-Zone (coastal high hazard) construction standards seaward of this line.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Federal Emergency Management Agency (FEMA); NCPAO GIS Department.
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Name: Flood Zone Panel - Effective August 2, 2017 and Dec. 17, 2010
Display Field: DFIRM_ID
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This layer acts as a spatial index for the physical map panels that cover Nassau County. It includes the effective dates of August 2, 2017 (City of Fernandina Beach) and December 17, 2010 (Unincorporated Nassau County). It is used to identify the specific FIRM panel needed for official flood zone determinations.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Federal Emergency Management Agency (FEMA); NCPAO GIS Department.
Name: FEMA - Flood Zones - Effective August 2, 2017 and Dec. 17, 2010
Display Field: DFIRM_ID
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This dataset represents the Special Flood Hazard Areas (SFHA) and moderate-to-low risk areas. On August 2, 2017, significant changes to the NFIP took effect for the City of Fernandina Beach, including updated Flood Insurance Studies (FIS) and revised FIRMs. This layer reflects those updates, alongside the December 17, 2010, effective data for unincorporated areas.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Federal Emergency Management Agency (FEMA); NCPAO GIS Department.
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Description: This dataset represents elevation contours generated from 2007 LiDAR data. It provides a detailed view of the county's terrain for planning, drainage review, and environmental analysis.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset provides a spatial representation of the streams, creeks, and rivers flowing through Nassau County. It is derived from the USGS National Hydrography Dataset and serves as a critical layer for environmental planning, drainage analysis, and identifying property boundaries that may be affected by riparian conditions.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: United States Geological Survey (USGS); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset represents the open surface waterbodies in the county, clipped from the National Hydrography Dataset to the Nassau County boundary. It is used to identify water features for valuation purposes, land use planning, and environmental monitoring. Each feature identifies the geographic extent of permanent or seasonal standing water.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: United States Geological Survey (USGS); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset identifies the primary and secondary routes designated by Nassau County Emergency Management and the Florida Department of Transportation for use during large-scale evacuations. These routes are strategically selected to facilitate the orderly movement of residents away from coastal and low-lying areas toward safe inland locations.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Emergency Management; Florida Department of Transportation (FDOT); Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer displays the potential inundation depth and extent from storm surge associated with tropical cyclones. It is based on Sea, Lake, and Overland Surges from Hurricanes (SLOSH) model data provided by NOAA. The data helps identify properties and infrastructure at risk of salt-water flooding during various hurricane categories.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: National Oceanic and Atmospheric Administration (NOAA); Nassau County Emergency Management; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer defines the county's evacuation zones, categorized by letters A through F. These zones are determined by factors such as storm surge vulnerability (based on SLOSH models), wave action, precipitation, and known flood-prone areas. Zone A is typically the first to be evacuated (coastal and low-lying areas), followed by subsequent zones as the severity of a predicted storm increases.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Emergency Management; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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Description: This dataset identifies the locations of fire hydrants connected to public and private water systems. It is utilized by the NCPAO for property valuation and proximity analysis, and by public safety agencies for emergency response planning and fire suppression activities.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: JEA; Nassau County Fire Rescue; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer contains point-based assets within the sanitary sewer network. It is used to identify the presence of sewer infrastructure on or near a property, which is a key factor in property appraisal and land development review.
Description: This dataset maps the underground water lines that provide potable water services throughout the county. It supports spatial analysis related to service availability and property utility access.
Description: This layer identifies the location of gravity sewer mains and force mains. It is critical for understanding the extent of sewer service coverage and evaluating the infrastructure capacity of a given area.
Description: This dataset identifies which entity is responsible for the upkeep, repair, and paving of specific road segments. It distinguishes between County-maintained roads, state-maintained highways, municipal streets, and private roads. This information is vital for routing public services and responding to resident inquiries regarding road conditions.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Road Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer tracks the inventory and location of stop signs maintained by the County. It supports traffic safety analysis, maintenance scheduling, and asset management for the Road Department. Each point represents the physical placement of a sign assembly.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Road Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer identifies "laydown" sites—strategic locations used by the Road Department to store heavy machinery, aggregate materials, or staging equipment for active maintenance projects. These sites are critical for operational efficiency and disaster response staging.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Road Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This dataset identifies culvert structures essential for maintaining the connectivity of the county's drainage system. These features are used for drainage system analysis, maintenance planning, and flood risk evaluation. The layer helps ensure that roadway crossings do not become obstructions during significant rain events.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Road Department; Nassau County Stormwater Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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Description: This layer tracks the physical pipe infrastructure within the cross-culvert systems. It supports stormwater maintenance operations and hydraulic modeling. The data is critical for identifying aging infrastructure and planning for pipe replacements or capacity upgrades.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Road Department; Nassau County Stormwater Department; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
Description: This layer represents planning and modeling data developed to analyze drainage and flood mitigation strategies within the Thomas Creek watershed. It is used for watershed planning, flood analysis, and informing regional drainage reviews to create more resilient communities.
Service Item Id: 9e3c3966d66343099673441b0c3e2643
Copyright Text: Nassau County Stormwater Department; U.S. Army Corps of Engineers; Nassau County Property Appraiser's Office (NCPAO) GIS Department.
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