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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. 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.

  4. Water tank - Wikipedia

    en.wikipedia.org/wiki/Water_tank

    An elevated water tank, also known as a water tower, will create a pressure at the ground-level outlet of 1 kPa per 10.2 centimetres (4.0 in) or 1 psi per 2.31 feet (0.70 m) of elevation. Thus a tank elevated to 20 metres creates about 200 kPa and a tank elevated to 70 feet creates about 30 psi of discharge pressure, sufficient for most ...

  5. 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.

  6. Thousands face two-day wait for water as pipe fixed - AOL

    www.aol.com/burst-pipe-leaves-thousands-without...

    Welsh Water says the pipe has been fixed, but people's supply will come back on gradually. ... long and includes 13 underground storage tanks, the largest of which is the size of nine Olympic-size ...

  7. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [ 2 ]

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