419 East 77th Street l NEW YORK CITY Exclusively for Jewish Brides and Married Women for the purpose of Family Purity (laws of Niddah). Mikvah Appointment Hours of Operation Summary of Preparations Membership & Fees Contact us Inspiration About us Articles Living Waters Niddah is the period following menstruation, when a Jewish couple separates. After the wife has immersed in the mikvah, they come together again. Vessel Mikvah Hours