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  2. What are leaking underground storage tanks and how are they ...

    www.aol.com/news/leaking-underground-storage...

    Environmental experts say even a pinprick-size hole in an underground tank can send 400 gallons of fuel a year into the ground, polluting soil and water. Spills can also destroy habitat and kill ...

  3. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    For example, it is estimated that 500 million m 3 of contaminated water per year can leak into soil and ground-water in Germany. [4] The rehabilitation and replacement of damaged sewers is very costly. Annual rehabilitation costs for Los Angeles County are about €400 million, [5] and in Germany, these costs are estimated to be €100 million. [6]

  4. Rainwater tank - Wikipedia

    en.wikipedia.org/wiki/Rainwater_tank

    Underground rainwater tanks can also be used for retention of stormwater for release at a later time and offer a variety of benefits. In arid climates, rain barrels are often used to store water during the rainy season for use during dryer periods. Rainwater tanks may have a high (perceived) initial cost.

  5. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage .

  6. Underground storage tank - Wikipedia

    en.wikipedia.org/wiki/Underground_storage_tank

    The requirements set by The Environment Agency for Decommissioning an underground tank apply to all underground storage tanks and not just those used for the storage of fuels. [15] They give extensive guidance in The Blue Book and PETEL 65/34. The Environment Agency states that any tank no longer in use should be immediately decommissioned.

  7. Stormwater detention vault - Wikipedia

    en.wikipedia.org/wiki/Stormwater_detention_vault

    A stormwater detention vault is an underground structure designed to manage excess stormwater runoff on a developed site, often in an urban setting. This type of best management practice may be selected when there is insufficient space on the site to infiltrate the runoff or build a surface facility such as a detention basin or retention basin .

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