Debra Sonderegger
Chemical Monitoring Waiver Program Coordinator
NHDES Drinking Water and Groundwater Bureau
29 Hazen Drive, PO Box 95
Concord, NH 03302-0095
(603) 271-2862
(603) 271-0656 (fax) debra.sonderegger@des.nh.gov
NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm