For more information about this layer please see the GIS Data Catalog. Proprietary Device Polygon Component Types--- Hydrodynamic Separator: Hydrodynamic Separators are stormwater management devices t
King County Snohomish County Planning Department2026-07-11 更新30
Why Green Infrastructure? Green Infrastructure (GI) is an economical design approach for managing stormwater runoff as close as possible to the source that protects, restores, or mimics the natural wa
An Erosion and Sediment Control Facility is a DEP primary facility type related to the Water Pollution Control program. This layer represents the subtype facility locations of Sewerage or Water System
Pennsylvania Spatial Data Access (PASDA)2026-08-10 更新40
Inlets, outlets, and junctions designed to control the flow of stormwater runoff. Structure types include combination, curb, drop or slab inlets, headwall and end sections, junction boxes, and manhole
