Trashrack maintained by King County Roads Division

For more information about this layer please see the GIS Data Catalog. A trash rack is a wooden or metal structure, frequently supported by masonry, that prevents water-borne debris (such as logs, boats, animals, masses of cut waterweed, etc.) from entering the intake of a water mill, pumping station or water conveyance. This protects water wheels, penstocks, and sluice gates from destruction during floods如需了解该图层的更多信息，请查阅地理信息系统（GIS）数据目录。拦污栅（trash rack）是一种木质或金属结构，通常由砌体支撑，可阻挡水中漂浮杂物（如原木、船只、动物、大量砍伐后的水生杂草等）进入水磨、泵站或输水设施的取水口，从而在洪水期间保护水轮、压力水管（penstocks）及泄水闸门（sluice gates）免遭损毁。