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Primarily supports the permanent Combined Sewer Overflow monitoring locations network to determine the beginning and ending of rainfall events and calculate rainfall depth. Also, supports other...
Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 11, 2026 at 03:44 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: January 24, 2026 at 07:58 PM -
This grouped layer uses data from DWW.WQS_PV(point features) and DWW.polygon_plgn_pv(polygon features). To display the polygons the following query is used, PLY_LIFECYCLE_CODE in ( 'C', 'PC',...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
SPU DWW Mainlines is a Group Layer containing all Lifecycles, Ownerships, and other variations of Drainage and Wastewater Mainlines. The Connected Mainlines are symbolized differently in two...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: June 02, 2026 at 06:25 PM -
Ditches are small to moderate depressions that are created to channel water. Culverts are pipes that are open on both ends that conduct water under a road or railway. Displays data from the...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
Creek watersheds which are piped to outfall. This is an expansion of the creek watershed to include the portions collected by the PSD network which were not originally included in the basin, but...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 11, 2026 at 03:44 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: January 24, 2026 at 07:58 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 29, 2025 at 01:34 PM -
This layer displays the urban watercourses showing open stream channels and flow within culverts, drainage laterals, and drainage mainlines. The Washington State Department of Natural Resources...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
This grouped layer uses data from DWW.WQS_PV(point features) and DWW.polygon_plgn_pv(polygon features). To display the polygons the following query is used, PLY_LIFECYCLE_CODE in ( 'C', 'PC',...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 08:38 PM -
This grouped layer uses data from DWW.WQS_PV(point features) and DWW.polygon_plgn_pv(polygon features). To display the polygons the following query is used, PLY_LIFECYCLE_CODE in ( 'C', 'PC',...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
This layer displays the urban creek watersheds. Creek watershed flow is in the contentious and intermittent natural surface water flow identified and recognized as a stream by the Seattle Public...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: January 24, 2026 at 07:58 PM -
This grouped layer uses data from DWW.WQS_PV(point features) and DWW.polygon_plgn_pv(polygon features). To display the polygons the following query is used, PLY_LIFECYCLE_CODE in ( 'C', 'PC',...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: January 24, 2026 at 07:58 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: January 24, 2026 at 07:59 PM -
SPU DWW Mainlines is a Group Layer containing all Lifecycles, Ownerships, and other variations of Drainage and Wastewater Mainlines. The Connected Mainlines are symbolized differently in two...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 02, 2026 at 06:25 PM -
Ditches are small to moderate depressions that are created to channel water. Culverts are pipes that are open on both ends that conduct water under a road or railway. Displays data from the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 09, 2026 at 08:37 PM -
SPU DWW Mainlines is a Group Layer containing all Lifecycles, Ownerships, and other variations of Drainage and Wastewater Mainlines. The Connected Mainlines are symbolized differently in two...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: June 02, 2026 at 06:25 PM -
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: January 24, 2026 at 07:58 PM
