They are also ground dwellers.
You want to build something to get closer to there natural environment build a termite mount which is where they send 80% of their time.
Do you plan on dissembling your Pond/Cascade completely every week to clean it? Algae and bacteria which grow in ponds are not your best friend
You are more likely to cause issues with this than 'Enriched' an animals that does not have a need for either pond or cascade based on their natural behavior and habitat.