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Divisions > Water Division > Programs/Bureaus/Units > Water Quality Certification Program >

Contact Us

• For 401 Certifications (excluding those for NPDES permits):
  Owen David
  NHDES Water Quality Certification Program
  29 Hazen Drive; PO Box 95
  Concord, NH 03302-0095
  (603) 271-0699
  owen.david@des.nh.gov
• For 401 Certifications for NPDES permits:
  Stergios Spanos
  NHDES Wastewater Engineering Bureau
  29 Hazen Drive; PO Box 95
  Concord, NH 03302-0095
  (603) 271-6637
  stergios.spanos@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