The phrase "drainage issues" refers to problems with the way water flows or is removed from an area. It could be caused by blockages, improper grading, or other factors that prevent water from draining properly. Full definition
This rain garden will address some of the existing drainage issues at the college. (rocklandtimes.com)
The $ 20,000 grant will allow for the repair of crumbling insulation and harmful drainage issues that caused the shelter to temporarily shutter its doors. (americanhumane.org)
Many foundation bulk water problems start with above grade drainage issues, and this should be the first place examined when diagnosing issues in existing buildings. (buildingscience.com)