MVD CONTACT INFO AFTER-HOURS WATER RELATED EMERGENCYContact MVD's 24/7 On-Call Staff603-424-9241 (Option “5”) OFFICE LOCATION & MAILING ADDRESS2 Greens Pond Road Merrimack, NH 03054 PHONE603-424-9241 EMAILcustomerservice@mvdwaternh.gov OFFICE HOURSMonday - Friday 8:00 AM - 4:30 PM (Click HERE to view the MVD Calendar for holiday/closure info.) REPORT AN ISSUE(Click HERE to report a water issue.) JOIN OUR MAILING LISTClick HERE to sign up for Email Notifications FOLLOW USClick HERE to visit MVD's Facebook Page