The Olney Mikvah is a women’s mikvah which is available for use every night of the year (except for Yom Kippur and Tisha B’Av).  Its private entrance is located behind OSTT in the back of the Jewish Family Center at 18318 Georgia Avenue.  Use of the mikvah is by appointment only.  To schedule an appointment or for more information, please call 301-774-2880 and leave a message (this is a confidential dedicated phone line).  Messages are checked every weekday night at 10:00 pm (excluding holidays) and returned the following day.