Hi,
Although most assisted living facilities do require the residents to be independent in their ADL's, there are some that have accepted residents who need more assistance than others...If she is compliant with her medications, and doesn't have a history of violence towards herself or others, you may be able to find an assisted living facility that may accommodate your mother's needs.
A couple of suggestions, call the "town social worker" - or go to your nearest "Senior Citizen Center" and ask for the Social Worker there...Either on of these individuals will set you on the right path, and help with your current scenario, and make it a little less overwhelming for you during the process of placement.
Good luck...Go to different facilities, take tours, and ask a lot of questions...you will know and feel a sense of 'calmness' when you recognize the right facility for your mother...And, the hardest part is the first day of admission - after that first big huddle, it seems to get increasingly easier each day...Allow for a period of adjustment, usually within 30 days, and up to at least six months.
I wish you and your loved one good the best of luck.