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  2. Havertown Superfund - Wikipedia

    en.wikipedia.org/wiki/Havertown_Superfund

    These actions included installation of a catch-basin and oil/water separator for the storm drain effluent into Naylors Run and removal and proper disposal of drummed waste material on the site. [1] In 1991, NWP no longer retained ownership of the site. The responsibility of cleaning up the site was given to state and federal agencies.

  3. Municipal castings - Wikipedia

    en.wikipedia.org/wiki/Municipal_castings

    Drainage Grate Municipal Casting. Municipal castings refers to many products, including: access hatches; ballast screens; benches (iron or steel); bollards; cast bases; cast iron hinged hatches, square and rectangular; cast iron riser rings; catch basin inlet; cleanout/monument boxes; construction covers and frames; curb and corner guards; curb openings; detectable warning plates; downspout ...

  4. Storm drain - Wikipedia

    en.wikipedia.org/wiki/Storm_drain

    Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain, [1] surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...

  5. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.

  6. Sediment basin - Wikipedia

    en.wikipedia.org/wiki/Sediment_basin

    Sediment traps are commonly used on small construction sites, where a sediment basin is not practical. Sediment basins are typically used on construction sites of 5 acres (20,000 m 2) or more, where there is sufficient room. [3] Sediment traps are installed before land disturbance (earth moving, grading) begins on a construction site.

  7. Retention basin - Wikipedia

    en.wikipedia.org/wiki/Retention_basin

    The basins are designed to allow relatively large flows of water to enter, but discharges to receiving waters are limited by outlet structures that function only during very large storm events. Retention ponds are often landscaped with a variety of grasses , shrubs , and/or aquatic plants to provide bank stability and aesthetic benefits.

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