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For a single-jurisdiction Flood Risk Project, the value is composed of the two-digit State FIPS code and the four-digit FEMA CID code (e.g., 480001). For a countywide Flood Risk Project, the value is composed of the two-digit State FIPS code, the three-digit county FIPS code and the letter \u201cC\u201d (e.g., 48107C). Within each FIRM Database, the DFIRM_ID value will be identical.VERSION_ID R Version Identifier. Identifies the product version and relates the feature to standards according to how it was created.XS_LN_ID R Primary key for table lookup. Assigned by table creator.WTR_NM R Surface Water Feature Name. This is the name of the stream or water body.STREAM_STN R1 Stream Station. This is the measurement along the profile baseline to the cross section location. This value is used in the FDTs and profiles.START_ID R1 Station Start Identification. This is the foreign key to the S_Stn_Start layer. The station start describes the origin for the measurements in the STREAM_STN field. This value is used in the FDTs and profiles.XS_LTR A Cross Section Letter. This is the letter or number that is assigned to the cross section on the hardcopy FIRM and in the FIS Report. This field is populated when the cross section is lettered. XS_LN_TYP R1 Cross-Section Line Type. This attribute should contain \u2018LETTERED, MAPPED\u2019 for cross sections that are shown on the hardcopy FIRM and are given a letter. If the cross section will be shown on the FIRM but not lettered, the attribute should contain \u2018NOT LETTERED, MAPPED\u2019 to indicate that it is a cross section shown on the hardcopy FIRM, but not on the FDTs or profiles. If the cross section will not be shown on the hardcopy FIRM, this attribute should contain \u2018NOT LETTERED, NOT MAPPED\u2019 to indicate that the cross section is part of the backup data for the Flood Risk Project but is not shown on the FIRM. All cross sections used in the development of effective hydraulic models shall be stored in this table, regardless of the flood hazard zone depicted on the effective panels. Acceptable values for this field are listed in the D_XS_Ln_Typ table.WSEL_REG R Regulatory Water Surface Elevation for the 1% annual-chance Flood Event. This is the regulatory water-surface elevation for the 1% annual-chance flood event in the stream channel at this cross section, this should include backwater elevations. In the case of levee(s) associated with a cross section, it is assumed that the levee(s) holds. For cross sections in the coastal floodplain, this value should be coded \u201c-8888\u201d. For cross sections in the combined coastal and riverine floodplain, this value should reflect the results of the combined rate of occurrence analysis. For cross sections at confluences where a single water surface elevation cannot be determined this value should be coded as \u201c-8888\u201d. This field is stored here and in L_XS_Elev to simplify annotation of the FIRM panel water-surface elevation at this cross section. This value and the corresponding value in L_XS_Elev should match.STRMBED_EL R Streambed Elevation. This is the water-surface elevation for the thalweg or the lowest point in the main channel. This value is used in the profiles.LEN_UNIT R Water-Surface and Streambed Elevation Units. This unit indicates the measurement system used for the water-surface and streambed elevations. Normally, this would be feet. Acceptable values for this field are listed in the D_Length_Units table.V_DATUM R Vertical Datum. The vertical datum indicates the reference surface from which the flood and streambed elevations are measured. Normally, this would be NAVD88. Acceptable values for this field are listed in the D_V_Datum table.PROFXS_TXT A Profile Cross Section Text. This field stores user-defined cross section text that is plotted on the profile. This field is only required to be populated if and when the data can be exported from RASPLOT in FIRM Database Technical Reference format.MODEL_ID R Model Identifier. This field stores the feature\u2019s identifier that was used during hydrologic and hydraulic modeling. This field provides a link between the hydrologic or hydraulic modeling and this spatial file. This field should be populated with the name of the of the submitted model, Ex: River_Run.prjSEQ A Sequence. This is the order in which the cross sections plot on the profile. This value is needed for profiles. This field is only required if and when the data can be exported from RASPLOT in FIRM Database Technical Reference format.SOURCE_CIT R Source Citation. Abbreviation used in the metadata file when describing the source information for the feature. 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"supportsAsync": false, "supportsPercentileAnalytic": true }, "dateFieldsTimeReference": null, "preferredTimeReference": null, "datesInUnknownTimezone": false, "hasGeometryProperties": true, "geometryProperties": { "shapeLengthFieldName": "Shape.STLength()", "units": "esriFeet", "mapUnits": {"uwkid": 9003} }, "hasMetadata": true, "isDataArchived": false, "archivingInfo": { "supportsQueryWithHistoricMoment": false, "startArchivingMoment": -1 }, "supportsCoordinatesQuantization": true, "supportsDynamicLegends": true, "serviceItemId": "a486567b987e44a48ac9c96c26a4b778" }, { "currentVersion": 11.5, "cimVersion": "3.5.0", "id": 4, "name": "FEMA Flood Hazard Areas", "type": "Feature Layer", "description": "FEMA FIRM Flood Hazard Areas adopted Flood Hazard Areas effective 4/23/2025. The data from FEMA was downloaded and then published. FEMA FIRM Flood Hazard Areas data was copied from the S_Fld_Haz_Ar shapefile in the FIRM Database. Proposed areas are grouped by risk, flood zone, and flood frequency as follows:Area of High Flood RiskZone A | 1% Annual Chance Flood EventZone AE | 1% Annual Chance Flood EventZone AE (Floodway) | 1% Annual Chance Flood EventZone AH | 1% Annual Chance Flood EventZone VE | 1% Annual Chance Flood EventS_Fld_Haz_Ar Field Descriptions: DFIRM_ID R Study Identifier. For a single jurisdiction Flood Risk Project, the value is composed of the two-digit State FIPS code and the fourdigit FEMA CID code (e.g., 480001). For a countywide Flood Risk Project, the value is composed of the two-digit State FIPS code, the three-digit county FIPS code and the letter \u201cC\u201d (e.g., 48107C). Within each FIRM Database, the DFIRM_ID value will be identical.VERSION_ID R Version Identifier. Identifies the product version and relates the feature to standards according to how it was created.FLD_AR_ID R Primary key for table lookup. Assigned by table creator.STUDY_TYP R Study Type. This describes the type of Flood Risk Project performed for flood hazard identification. Acceptable values for this field are listed in the D_Study_Typ table.FLD_ZONE R Flood Zone. This is a flood zone designation. These zones are used by FEMA to designate the SFHAs. Acceptable values for this field are listed in the D_Zone table.ZONE_SUBTY A Flood Zone Subtype. This field captures additional information about the flood zones. For example, Zone X could have \u201cAREA WITH REDUCED FLOOD HAZARD DUE TO ACCREDITED LEVEE SYSTEM\u201d or \u201c0.2-PCT ANNUAL CHANCE FLOOD HAZARD\u201d as a subtype. Types of floodways are also stored in this field. Floodways are designated by FEMA and adopted by communities to provide an area that will remain free of development to moderate increases in flood heights due to encroachment on the floodplain. Normal floodways are specified as \u2018FLOODWAY.\u2019 Special cases will have a more specific term for the designation (such as COLORADO RIVER) and will appear as a note on the hardcopy FIRM. See the FIRM Panel Technical Reference for available floodway notes. NOTE: The symbol \u2018%\u2019 is a reserved symbol in most software packages, so the word \u2018percent\u2019 was abbreviated to \u2018PCT.\u2019 Acceptable values for this field are listed in the D_Zone_Subtype table.SFHA_TF R Special Flood Hazard Area. If the area is within a SFHA this field would be true. This field will be true for any area coded as an A or V flood zone area. It should be false for any X or D flood areas. Acceptable values for this field are listed in the D_TrueFalse table.STATIC_BFE A Static Base Flood Elevation. This field will be populated for areas that have been determined to have a constant Base Flood Elevation (BFE) over a flood zone. The BFE value will be shown beneath the zone label. In this situation the same BFE applies to the entire polygon. This normally occurs in lakes or coastal zones.V_DATUM A Vertical Datum. The vertical datum indicates the reference surface from which the flood elevations are measured. Normally this would be North American Vertical Datum of 1988 for new studies. This field is only populated if the STATIC_BFE field is populated. Acceptable values for this field are listed in the D_V_Datum table.DEPTH A Depth This is the depth for Zone AO areas. This value is shown beneath the zone label on the FIRM. This field is only populated if a depth is shown on the FIRM.LEN_UNIT A Length Units. This unit indicates the measurement system used for the BFEs and/or depths. Normally this would be feet. This field is only populated if the STATIC_BFE or DEPTH field is populated. Acceptable values for this field are listed in the D_Length_Units table.VELOCITY A Velocity. This is the velocity measurement of the flood flow in the area. Normally this is applicable to alluvial fan areas (certain Zone AO areas). This value is shown beneath the zone label on the FIRM. This field is only populated when a velocity is associated with the flood zone area.VEL_UNIT A Velocity Unit. This is the unit of measurement for the velocity. This field is populated when the VELOCITY field is populated. Acceptable values for this field are listed in the D_Velocity_Units table.AR_REVERT A Flood Control Restoration Zones \u2013 Zone AR Classification. If this area is Zone AR in FLD_Zone field, this field would hold the zone that area would revert to if the AR zone were removed. This field is only populated if the corresponding area is Zone AR. Acceptable values for this field are listed in the D_Zone table, but should only include one of AE, AO, AH, A, and X domain values. AR_SUBTRV A Flood Control Restoration Zones \u2013 Zone AR Classification Zone Subtype. If this area is Zone AR in FLD_Zone field, this field would hold the zone subtype that area would revert to if the AR zone were removed. This field is only populated if the corresponding area is Zone AR. NOTE: The symbol \u2018%\u2019 is a reserved symbol in most software packages, so the word \u2018percent\u2019 was abbreviated to \u2018PCT.\u2019 Acceptable values for this field are listed in the D_Zone_Subtype_ table and must be one of the allowable subtypes for Zones AE, AO, AH, A or X.BFE_REVERT A Flood Control Restoration Zones \u2013 BFE Revert. If zone is Zone AR in FLD_Zone field, this field would hold the static base flood elevation for the reverted zone. This field is populated when Zone equals AR and the reverted zone has a static BFE.DEP_REVERT A Flood Control Restoration Zones \u2013 Depth Revert. If zone is Zone AR in FLD_Zone field, this field would hold the flood depth for the reverted zone. This field is populated when Zone equals AR and the reverted zone has a depth assigned.DUAL_ZONE A Flood Control Restoration Zones \u2013 Dual Zone Classification. If the flood hazard areas shown on the effective FIRM shall be designated as \u201cdual\u201d SFHAs (i.e., Zone AR/AE, Zone AR/AH, Zone AR/AO, Zone AR/A), this field will be coded as true. It should be false for any for AR Zones that revert to Shaded X. Acceptable values for this field are listed in the D_TrueFalse table.SOURCE_CIT R Source Citation. Abbreviation used in the metadata file when describing the source information for the feature. 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