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DNR HYDRO (wchydro) supports many agency programs and mandates and is available to the public. Agency uses include state base maps; landscape analyses and modeling; the Family Forest Fish Passage Program; landslide mapping; the Sustainable Harvest Calculation; fire protection; the Natural Heritage Program; and the Trust Forestland HCP water typing system. DNR HYDRO is also used for Forest Practices water typing. The dataset serves as the Forest Practices Water Type Map. The Forest Practices water typing system is used in the planning and regulation of forest practices on state and private forest land. Forest Practices water types (WAC 222-16-031) are intended for DNR Forest Practices regulatory purposes only. |
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DNR HYDRO (wchydro) supports many agency programs and mandates and is available to the public. Agency uses include state base maps; landscape analyses and modeling; the Family Forest Fish Passage Program; landslide mapping; the Sustainable Harvest Calculation; fire protection; the Natural Heritage Program; and the Trust Forestland HCP water typing system. DNR HYDRO is also used for Forest Practices water typing. The dataset serves as the Forest Practices Water Type Map. The Forest Practices water typing system is used in the planning and regulation of forest practices on state and private forest land. Forest Practices water types (WAC 222-16-031) are intended for DNR Forest Practices regulatory purposes only. |
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Mukilteo GIS: GIS.Streams_County_DNR = DNR_WCHYDRO
The City uses the fields:
FP_WTRTY_CD = Forest Practices Water Type Code. Identifies the classification of water, such as Fish (F), Non-Fish (N), or Unknown (U). From Washington State DNR GIS and are used to classify water bodies (streams, rivers, lakes) based on fish usage and water quality. It defines the regulatory type for forest practices regulation. FP_WTRTY_NM = Forest Practices Water Type Name. Same except the name is spelled out.
Why didn’t they name it after the original source? Looks like the current 2026 data.
Washington State Dept of Natural Resources Mixed Scale Hydrography GIS
1987–1992. DNR WCHYDRO was initially created from hydrographic features displayed on U.S. Geological Survey (USGS) 1:24,000-scale topographic maps for the DNR Forest Practices Division.
1992–1994. Photogrammetric compilation of data for forested state, private, and some federal and tribal lands. This compilation was done by township. Where townships contained federal lands along with state or private land, the entire township was included.
1995–1996. Data for all other areas of the state were received in various formats and with differing compilation specifications from federal agencies. These were processed to produce the “DATA96” dataset. Changes continued to be accepted into the dataset through DNR Forest Practices.
2000. DATA96 was split into: DNR operational HYDRO, which continued to receive edits, and a fixed snapshot that became the basis for the Conversion Project. 2003–2004. DNR HYDRO Conversion Project: Production and extensive, systematic QA/QC to create new DNR data in the Pacific Northwest Hydrography Framework Clearinghouse (Framework) data model, in ESRI coverage format with arc/node topology.
2004–2006. Forest Practices Backlog Update Project: Systematic update of DNR HYDRO with the backlog of all changes since 2000. 2005. Forest Practices Water Typing Project: Implementation of a new water typing classification system. This system is based on a multi-parameter, field-verified GIS logistic regression model and modified by field observations, as administered by DNR Forest Practices and reviewed by the Timber/Fish/Wildlife Agreement cooperators. The new system became operational: In Western Washington: March 1, 2005. In Eastern Washington: March 1, 2006 Present
Changes continue to be accepted into DNR WCHYDRO through the Washington State Department of Natural Resources (DNR) Forest Practices Water Type Modification Form (WTMF) process. DNR HYDRO remains in ESRI format. |
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5000 |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The DNR water course (WCHYDRO), water body (WB), and water shoreline (WS) datasets, collectively known as DNR HYDRO, make up the most up-to-date hydrography layer for the state of Washington. WC represents water courses as arcs or lines. These occur alone as single arcs representing streams, ditches, or pipelines, or as centerlines through water body polygons such as double-banked streams, lakes, impoundments, reservoirs, wet areas, or glaciers. WB represents water bodies as polygonal features. WB includes features such as Puget Sound, lakes, wet areas, reservoirs, impoundments, glaciers, islands, and dams. WS represents shorelines as polygon perimeter arcs. The WC and WBWS are edited daily and simultaneously; updates are posted weekly for internal DNR use and monthly for external use. Attribute interrelationships within the WC and within the WBWS and spatial and attribute interrelationships between the WC and WBWS are maintained. Routes can be built on the WC by using the whole stream identifier (WC_LLID_NR). DNR HYDRO is continually updated through the DNR Forest Practices Water Type Modification Form process. DNR HYDRO is mixed scale. The nominal scale is considered 1:24,000, but some data at larger scales are included. The fields: FP_WTRTY_CD and FP_WTRTY_NNM are used to determine Fish & Non-Fish streams.</SPAN></P></DIV></DIV></DIV> |
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Streams_County_DNR |
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["aqueduct","watercourse","inlandWaters","fish ladder","Washington State","Washington","hydro","water","pipeline","river","siphon","hydrography","ditch","canal","stream","surface water","Pacific Northwest"] |
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en-US |
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150000000 |
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