In article ,
debbro says...

The sump pump basin is not taking in water currently, or filling up
like it should. I looked with a flash light to the bottom and I
don't see any obvious clogs or something that would keep it from
letting the water flow in the usual way. My husband has now drilled 2
small holes in the basin about 5 inches from the top, so that french
drains don't over flow. Any ideas on why this may be occurring or
what we can do about it? The sump pump is working properly when the
water level rises in the basin. (But only because of the "new" drain
holes). Thanks Debbro

Is there water coming through those holes?

Have there been any changes around you lately - construction?

Banty