20250630 18002400 1.0 FALSE SoilsOSS_USDA 966292.842322 1210519.913906 526010.185959 685197.986021 1 Projected GCS_North_American_1983 Linear Unit: Foot_US (0.304801) NAD_1983_StatePlane_Washington_South_FIPS_4602_Feet <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.8'><WKT>PROJCS[&quot;NAD_1983_StatePlane_Washington_South_FIPS_4602_Feet&quot;,GEOGCS[&quot;GCS_North_American_1983&quot;,DATUM[&quot;D_North_American_1983&quot;,SPHEROID[&quot;GRS_1980&quot;,6378137.0,298.257222101]],PRIMEM[&quot;Greenwich&quot;,0.0],UNIT[&quot;Degree&quot;,0.0174532925199433]],PROJECTION[&quot;Lambert_Conformal_Conic&quot;],PARAMETER[&quot;False_Easting&quot;,1640416.666666667],PARAMETER[&quot;False_Northing&quot;,0.0],PARAMETER[&quot;Central_Meridian&quot;,-120.5],PARAMETER[&quot;Standard_Parallel_1&quot;,45.83333333333334],PARAMETER[&quot;Standard_Parallel_2&quot;,47.33333333333334],PARAMETER[&quot;Latitude_Of_Origin&quot;,45.33333333333334],UNIT[&quot;Foot_US&quot;,0.3048006096012192]],VERTCS[&quot;NAVD_1988&quot;,VDATUM[&quot;North_American_Vertical_Datum_1988&quot;],PARAMETER[&quot;Vertical_Shift&quot;,0.0],PARAMETER[&quot;Direction&quot;,1.0],UNIT[&quot;Foot_US&quot;,0.3048006096012192]]</WKT><XOrigin>-117498300</XOrigin><YOrigin>-98850300</YOrigin><XYScale>3048.0060960121914</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.0032808333333333335</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102749</WKID><LatestWKID>2286</LatestWKID></ProjectedCoordinateSystem> 20250828 09104200 20250828 09104200 FGDC Thurston County GeoData Center 360-754-4594 2000 Lakeridge Dr SW Olympia WA 98502 geodata@co.thurston.wa.us 20250828 ArcGIS Metadata 1.0 sdeEnterpriseSrc.DBO.SoilsOSS_USDA 2025-08-04 USDA Natural Resources Conservation Service - Washington State Office vector digital data Last updated on 6/30/2025 by SLS.This soils layer is a copy of the Soils USDA layer with an additional attribute field for the On-site Sewage System soil types. The OSS soil type is provided to inform County staff and members of the public of OSS design requirements for each soil type (see Determining Environmental Health Minimum Land Area Requirements document from Thurston County Environmental Health).The OSS soil types are described in WAC 246-272A-0220 and the OSS design requirements are outlined in WAC 246-272A-0230. Thurston County soils were categorized by the OSS soil types by Thurston County Environmental Health staff.For complete information about the Soils USDA data, please refer to that specific data layer. This soils layer includes On-site Sewage System (OSS) soil types to provide information about potential design restrictions as defined in the Washington Administrative Code On-site Sewage System chapter in sections WAC 246-272A-0220 and WAC 246-272A-0230. The sanitary soil types are used to calculate the minimum land area needed for each residence on a property when installing onsite sewage systems (septic systems). The U.S. Department of Agriculture, Natural Resources Conservation Service, Thurston GeoData Center, Thurston County Public Health and Social Services – Environmental Health Thurston County GeoData Center 360-754-4594 2000 Lakeridge Dr SW Olympia WA 98502 geodata@co.thurston.wa.us USDA Natural Resources Conservation Service - Washington State Office 509-323-2919 11707 East Sprague Ave, Suite 301 Spokane Valley WA 99206 US environment ISO 19115 Topic Categories Soils Soil Survey Geographic SSURGO Onsite Sewage System OSS environment Soils Soil Survey Geographic SSURGO Onsite Sewage System OSS The U.S. Department of Agriculture, Natural Resources Conservation Service, should be acknowledged as the data source in products derived from these data. This data set is not designed for use as a primary regulatory tool in permitting or citing decisions, but may be used as a reference source. This is public information and may be interpreted by organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application. Federal, State, or local regulatory bodies are not to reassign to the Natural Resources Conservation Service any authority for the decisions that they make. The Natural Resources Conservation Service will not perform any evaluations of these maps for purposes related solely to State or local regulatory programs. Photographic or digital enlargement of these maps to scales greater than at which they were originally mapped can cause misinterpretation of the data. If enlarged, maps do not show the small areas of contrasting soils that could have been shown at a larger scale. The depicted soil boundaries, interpretations, and analysis derived from them do not eliminate the need for onsite sampling, testing, and detailed study of specific sites for intensive uses. 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Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362 true -123.211367 -122.215548 47.199329 46.744258 Published in SDE 2025-06-30 Created using the 2006 NRCS Soils, categories identified by Thurston County Environmental Health staff. 2025-06-30 Thurston County GeoData Center 360-754-4594 2000 Lakeridge Dr SW Olympia WA 98502 geodata@co.thurston.wa.us 7380 sdeEnterpriseSrc.DBO.SoilsOSS_USDA Feature classes are homogeneous collections of common features, each having the same spatial representation, such as points, lines, or polygons, and a common set of attribute columns, for example, a line feature class for representing road centerlines. ESRI OBJECTID Internal feature number. Esri Sequential unique whole numbers that are automatically generated. SCS_NAME Soil Conservation Service soil name Thurston GeoData Center Unique Soil Conservation Service soil name. SCS_CODE Soil Conservation Service soil code Thurston GeoData Center Identification number unique to soil name. OSS_SoilType On-site Sewage System soil types, as defined in WAC 246-272A-0220, used to apply OSS design requirements outlined in WAC 246-272A-0230. Thurston GeoData Center 1 Gravelly and very gravelly coarse sands, all extremely gravelly soils excluding those with soil types 5 and 6 as the nongravel portion, and all soil types with greater than or equal to 90% rock fragments. Washington Administrative Code (WAC) 246-272A-0220 2 Coarse sands Washington Administrative Code (WAC) 246-272A-0220 3 Medium sands, loamy coarse sands, loamy medium sands. Washington Administrative Code (WAC) 246-272A-0220 4 Fine sands, loamy fine sands, sandy loams, loams. Washington Administrative Code (WAC) 246-272A-0220 5 Very fine sands, loamy very fine sands; or silt loams, sandy clay loams, clay loams and silty clay loams with a moderate or strong structure (excluding platy structure). Washington Administrative Code (WAC) 246-272A-0220 6 Other silt loams, sandy clay loams, clay loams, silty clay loams. Washington Administrative Code (WAC) 246-272A-0220 7 Unsuitable for treatment or dispersal. Sandy clay, clay, silty clay, strongly cemented or firm soils, soil with a moderate or strong platy structure, any soil with a massive structure, any soil with appreciable amounts of expanding clays. Washington Administrative Code (WAC) 246-272A-0220 Shape Feature geometry. Esri Coordinates defining the features. GlobalID A field of type UUID (Universal Unique Identifier) in which values are automatically assigned by the geodatabase when a table row is created. The GlobalID field is necessary for maintaining object uniqueness across replicas. All feature classes and tables participating in one-way or two-way replication must contain the GlobalID field. This field is not editable and is automatically populated when it is added for existing data. A GlobalID is often used as the primary key in the database table, but it is different than the typical OBJECTID or FID field. A GlobalID is often created in ArcGIS by right-clicking in the ArcCatalog tree and choosing "Add Global IDs". It can be applied to standalone feature classes or tables or applied to an entire feature dataset. Wade, T. and Sommer, S. eds. A to Z GIS: An illustrated dictionary of geographic information systems, ESRI Press, 2006 Unique alpha-numeric code CREATOR_NAME Automatically generated to record the username of the account creating the data. Thurston GeoData Center Username or initials CREATE_UTC Automatically generated to record the date and time of the data creation, in coordinated universal time (UTC). Thurston GeoData Center Date and time, typically MMDDYYYY format. EDITOR_NAME Automatically generated to record the username of the account editing the data. Thurston GeoData Center Username or initials EDIT_UTC Automatically generated to record the date and time of the data edits, in coordinated universal time (UTC). Thurston GeoData Center Date and time, typically MMDDYYYY format. Shape.STArea() Area of feature. Thurston GeoData Center Positive real numbers that are automatically generated. Shape.STLength() Perimeter of feature Thurston GeoData Center Positive real numbers that are automatically generated.