Sounds like you’ve got it under control.
Appears that you have hit some groundwater and that makes sense. Looks like the top of the concrete footings are showing. Rainwater or groundwater does seep under the footings. Depending on how much water there is, I would consider a sump pit to remove it.
Be aware that disabling this also disables categories in your email. It really sucks that they tied those together. But I need to get away from gmail anyway…