{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "It is intended that these data be only a first step in determining whether or not wetland issues have been or need to be addressed in an area. The DNR Forest Practices Division and the Department of Ecology strongly supports the additional use of hydric soils (from the GIS soils layer) to add weight to the call of 'wetland'. Reports from the Department of Ecology indicate that these data may substantially underestimate the extent of forested wetlands. Various studies show the NWI data is 25-80% accurate in forested areas. Most of these data were collected from stereopaired aerial photos at a scale of 1:58,000. The stated accuracy is that of a 1:24,000 map, or plus or minus 40 feet. In addition, some parts of the state have data that are 30 years old and only a small percentage have been field checked. Thus, for regulatory purposes, the user should not rely solely on these data. On-the-ground checking must accompany any regulatory call based on these data.", "description": "This data contained in this layer is from c. 1995 and originated from the Washington State Department of Natural Resources (DNR). It was implemented in GeoData's SDE on 4/25/2017. According to the DNR's metadata, there are no planned updates. GeoData will check the available data from DNR periodically to ensure that we have the most current version of data in case that changes.The DNR Forest Practices Wetlands Geographic Information System (GIS) Layer is based on the National Wetlands Inventory (NWI). In cooperation with the Washington State Department of Ecology, DNR Forest Practices developed a systematic reclassification of the original USFWS wetlands codes into WAC 222-16-035 types. The reclassification was done in 1995 according to the Forest Practice Rules in place at the time. The WAC's for defining wetlands are 222-16-035 and 222-16-050.Supplemental information:The reclassification is based on the USFWS FWS_CODE. The FWS_CODE is a concatenation of three subcomponents: Wetland system, class, and water regime. Forest Practices further divided the components into system, subsystem, class, subclass, water regime, special modifiers, xclass, subxclass, and xsystem. The last three items (xsomething) are for wetland areas which do not easily lend themselves to one class alone. The resulting classification system uses two fields: WLND_CLASS and WLND_TYPE. WLND_CLASS indicates whether the polygon is a forested wetland (F), open water (O), or a vegetated wetland (W). WLND_TYPE, indicates whether the wetland is a type A (1), type B (2), or a generic wetland (3) that doesn't fit the categories for A or B type wetlands. WLND_TYPE = 0 (zero) is used where WLND_CLASS = O (letter \"O\"). The wetland polygon is classified as F, forested wetland; O, open water; or W, vegetated wetland depending on the following FWS_CODE categories:F O W---------------------------------------------------------------Forested Open VegetatedWetland Water Wetland---------------------------------------------------------------PFO* POW PUB5E2FO PRB* PML2PUB1-4 PEM*PAB* L2US5PUS1-4 L2EM2PFL* PSS*L1RB* PML1L1UB* L1AB*L1OWL2RB*L2UB*L2AB*L2RS*L2US1-4L2OW-------------------------------------------------------------------------* indicates inclusion of the subcategory (ie. PEM* includes PEM1F, PEM1FB, etc.).DNR FOREST PRACTICES WETLANDS DATASET ON FPARS Internet Mapping Website:The FPARS Resource Map and Water Type Map display Forested, Type A, Type B, and \"other\" wetlands. Open water polygons are not displayed on the FPARS Resource Map and Water Type Map in an attempt to minimize clutter.The following code combinations are found in the DNR Forest Practices wetlands dataset:WLND_CLASS WLND_TYPE wetland polygon classificationF 3 Forested wetland as defined in WAC 222-16-035O 0 *NWI open water (not displayed on FPARS Resource or Water Type Maps)W 1 Type A Wetland as defined in WAC 222-16-035W 2 Type B Wetland as defined in WAC 222-16-035W 3 other wetland* NWI open water polygons are indicated by WLND_CLASS = O and WLND_TYPE = 0. Open water is used in the USFWS and WAC 222-16-035 classification system. These open water polygons are not included in the FPARS Resource Map and Water Type Map views of this dataset in an attempt to minimize clutter on the FPARS maps.", "summary": "It is intended that these data be only a first step in determining whether or not wetland issues have been or need to be addressed in an area. The DNR Forest Practices Division and the Department of Ecology strongly supports the additional use of hydric soils (from the GIS soils layer) to add weight to the call of 'wetland'. Reports from the Department of Ecology indicate that these data may substantially underestimate the extent of forested wetlands. Various studies show the NWI data is 25-80% accurate in forested areas. Most of these data were collected from stereopaired aerial photos at a scale of 1:58,000. The stated accuracy is that of a 1:24,000 map, or plus or minus 40 feet. In addition, some parts of the state have data that are 30 years old and only a small percentage have been field checked. Thus, for regulatory purposes, the user should not rely solely on these data. On-the-ground checking must accompany any regulatory call based on these data.", "title": "sdeEnterpriseSrc.DBO.Wetlands_DNR", "tags": [ "inlandWaters", "inlandWaters", "wetlands", "vegetation", "soils", "hydrology", "hydrography" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "Washington State Department of Natural Resources, Forest Practices Division reselect of USFWS National Wetlands Inventory (NWI) data", "licenseInfo": "By accessing any Data or Maps(\u201cData\u201d) posted by Thurston County, you agree to these Terms of Use (\u201cTerms\u201d). These terms may be updated or modified by Thurston County at any time at its sole discretion. If you do not agree to these Terms, do not access the Data or download any material from it.Thurston County grants you alimited, revocable license to use, reproduce and redistribute the Data in accordance with these Terms. 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By downloading this data the user agrees to the Thurston County GeoData Download Portal Terms of Use and want to access the Data." }