I discovered a large number of streaks running down the interior of my basement foundation wall in a storage closet. It looks like mildew or perhaps iron ochre. The wall abuts a patio with paver stones and a hose bib connection. There is also red liquid (dried) pooling on the basement closet floor.
I’ve included a few pictures. Is this something to be concerned about? Where could it be coming from and does this mean I have water infiltration below the soil line of my foundation? This is the only wall this is occurring on. Also, any idea what the white caps on the interior wall are for? Is that leftover from the foundation pour or a previous inspection?
Thank you for your help.