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Sub-Surface Drip
Description:
A sub-surface drip drainfield consists of a network of very small diameter plastic
tubes under ground. Effluent is pumped to the tubes under pressure and a
manifold is used to split the flow evenly between multiple lines. The effluent drips
out of the tubing through small emitters – special holes in the pipe wall – then it
moves directly into the original soil.
Function:
A subsurface drip drainfield disposes of effluent by allowing it to absorb in
underlying soil. The soil provides an oxygen-rich surface area for treatment.
Microbes consume most pollution out of the water as it flows through into the
environment.
Maintenance:
• Sub-surface drip systems must be checked yearly at a minimum by
O&M provider. Some systems must be checked qua
ask your designer and/or installer for more inform
• Field and filters must be flushed ve
• Clear drainfield of large vegetation & ensure ports are accessible.
• Check drainfield area for soggy spots or breakouts.
• See Sections 1 & 2 for more information on protecting your drainfield..
ry frequently.
GROUND
SURFACE
DRIP
EMITTERS
- 51 -
a certified
rterly or every 6-months –
ation.
DRIP
LINE
to the
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