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Service Description: This feature presents land ownership and jurisdiction which DEQ uses to identify potential Designated Management Agencies (DMAs) and other responsible persons that may have Total Maximum Daily Load (TMDL) implementation responsibilities. A designated management agency is defined in OAR 340-042-0030(2) as a federal, state, or local governmental agency that has legal authority over a sector or source contributing pollutants. Typically persons, including DMAs responsible for implementing management strategies and developing and revising sector-specific or source-specific implementation plans are identified in TMDL Water Quality Management Plans (WQMPs) as described in OAR 340-042-0040(4)(I)(H). This map does not explicitly map or claim consistency with DMA’s identified in TMDL Water Quality Management Plans. The land ownership and jurisdiction for any location is determined by a combination of ownership, land use, zoning, and jurisdictional boundaries, such as city limits or county boundaries. Cadastral boundaries and ownership information were obtained from county tax assessors. Ownership information provided by a county tax assessor was assumed to be the most accurate information.

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• OR_DMAs (0)

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Copyright Text: Oregon Department of Environmental Quality, Baker County, Benton County, Clackamas County, Clatsop County, Columbia County, Coos County, Crook County, Curry County, Deschutes County, Gilliam County, Grant County, Harney County, Hood River County, Jackson County, Jefferson County, Josephine County, Klamath County, Lake County, Lane County, Lincoln County, Linn County, Marion County, Morrow County, Multnomah County, Polk County, Tillamook County, Umatilla County, Union County, Wasco County, Wheeler County, Yamhill County, Homer et al 2015, Oregon Department of Land Conservation and Development, Oregon Department of Forestry, Bureau of Land Management, Oregon Department of Transportation, and United States Department of Agriculture Farm Service Agency, NAIP. Homer, C.G., Dewitz, J.A., Yang, L., Jin, S., Danielson, P., Xian, G., Coulston, J., Herold, N.D., Wickham, J.D., and Megown, K., 2015, Completion of the 2011 National Land Cover Database for the conterminous United States-Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing, v. 81, no. 5, p. 345-354.

Spatial Reference: 102100  (3857)  LatestVCSWkid(0)


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Spatial Reference: 102100  (3857)  LatestVCSWkid(0)

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Title: Map
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Keywords: Land Ownership,Jurisdiction,Designated Management Agency,DMA,Administrative Boundaries,Oregon
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