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The Stormwater Features Inventory Database (SFID) was developed in response to WSDOT’s 2009 NPDES Municipal Stormwater Permit, issued by the Washington State Department of Ecology. Among other elements, the permit requires WSDOT to maintain an ongoing storm sewer system mapping program for areas within the permit’s jurisdictional boundaries. |
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The Stormwater Features Inventory Database (SFID) was developed in response to WSDOT’s 2009 NPDES Municipal Stormwater Permit, issued by the Washington State Department of Ecology. Among other elements, the permit requires WSDOT to maintain an ongoing storm sewer system mapping program for areas within the permit’s jurisdictional boundaries. |
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WSDOT ESO |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><P><SPAN>This is a view of the StormwaterPondPoly featureclass created with the following query: WHERE LifeCycleCurrentStatus= 'Active' AND (WSDOTownership in ('Yes', 'Unknown') OR WSDOTownership IS NULL) This feature class contains WSDOT’s stormwater ponds as polygons. There are various types of stormwater treatment ponds which provide treatment and flow control by containing excess runoff for a considerable length of time and then releasing it by evaporation, plant transpiration, or infiltration; or holding surface and stormwater runoff for a short period of time and then releasing it to a surface or stormwater management system. Stormwater pond polygons approximate the pond boundaries at maximum water level.The majority of the data collected so far are within the Phase I and Phase II 2009 NPDES Municipal Stormwater Permit Areas.</SPAN></P></DIV></DIV> |
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| title:
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WSDOT Stormwater Data, View - BMP Ponds, Polygons |
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| tags:
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["BMP","treatment/flow control","treatment","stormwater","Washington State","stormwater pond","NPDES Municipal Stormwater permit","Best Management Practice","flow control","MS4","WA","stormwater treatment","Municipal Separate Storm Sewer System"] |
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en-US |
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150000000 |
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