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  2. Rainwater tank - Wikipedia

    en.wikipedia.org/wiki/Rainwater_tank

    Widespread use of rain barrels also changes the amount of rainwater reaching the ground in a particular area and draining into streams. Depending on the climate, this either helps prevent erosion, sedimentation, and/or pollution, and can reduce the strain on stormwater drainage systems; or it could cause rivers to dry up and ponds to stagnate ...

  3. Storm Water Management Model - Wikipedia

    en.wikipedia.org/wiki/Storm_Water_Management_Model

    The low-impact development (LID) function was new to SWMM 5.0.019/20/21/22 and SWMM 5.1+ It is integrated within the subcatchment and allows further refinement of the overflows, infiltration flow and evaporation in rain barrel, swales, permeable paving, green roof, rain garden, bioretention and infiltration trench.

  4. Rain gutter - Wikipedia

    en.wikipedia.org/wiki/Rain_gutter

    Lead guttering: slate and pitched valley gutter flow into parapet gutter, with downpipe and overflow Eaves gutter and downpipe Decorative lead hopper head dated 1662, Durham Castle A rain gutter , eavestrough, eaves-shoot or surface water collection channel is a component of a water discharge system for a building. [ 1 ]

  5. 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 ...

  6. Leader head - Wikipedia

    en.wikipedia.org/wiki/Leader_Head

    Copper Leader Head at Penn's Quadrangle, Philadelphia 1894 Copper Leader at Shofuso Japanese House and Garden in Philadelphia. The purpose of a leader head is to help transfer excess water from the roof onto downspouts, thus preventing the gutters from overflowing and water washing over the walls, which is a common occurrence in areas susceptible to heavy rain cycles.

  7. Spillway - Wikipedia

    en.wikipedia.org/wiki/Spillway

    In the United Kingdom, they may be known as overflow channels. Spillways ensure that water does not damage parts of the structure not designed to convey water. Spillways can include floodgates and fuse plugs to regulate water flow and reservoir level. Such features enable a spillway to regulate downstream flow—by releasing water in a ...