Check this out: http://trains99.tripod.com/newpix2.html
Pictures near the bottom, and it says what we did to remedy it.

"RichToyBox" wrote in message
.net...
The water under the liner will probably seep into the ground within a few
days of the rain stopping. If it does not, then a piece of tubing/pipe
inserted down along the edge of the liner to get the end in the water near
the bottom of the hole under the liner. This can be hooked up to a pump,
or
siphon, and drain the water from under the liner. If the edges of the
liner
were higher than ground level, then adding water to the pond will put
pressure on the water under the pond and the water will be forced upward
along the edge and overflow.
--
RichToyBox
http://www.geocities.com/richtoybox/pondintro.html


"Thenewguy" wrote in message
...
hey, i have a small, probably simple to answer problem. Its been raining
cats and dogs here and the liner of my pond seems to be floating up,
should
i have add rocks to the bottom of my pond. i believe its all water
coming
in
from the ground underneath the liner...any ideas?