skip navigation
New Hampshire Department of Environmental Services
PUBLIC GOVERNMENT BUSINESS A to Z LIST

Facts and Figures
  • Over 40 of New Hampshire's waterbodies are impacted by various species of EXOTIC aquatic plants.
  • The dispersal of plant fragments poses the greatest threat to our waterbodies. Each fragment is capable of producing another plant.
  • EXOTIC aquatic plants can reduce the diversity of native plant, animal, and insect species.
  • Most NATIVE plant species are very beneficial to our waterbodies, providing food, shelter, and oxygen for organisms in and around the water.
  • EXOTIC aquatic plants can reduce the value of waterfront properties.
  • EXOTIC aquatic plants can make boating and swimming difficult and dangerous.
  • Dense growths of EXOTIC aquatic plants can stunt fish growth, impacting the fisheries in our waterbodies.
  • Milfoil and fanwort can grow as tall as 20 feet in waterbodies they infest.
  • Of the fourteen species of prohibited exotic plants, eight are currently found in New Hampshire. Others are already present in neighboring states!
  • YOU can help prevent the spread of exotic aquatic plants.



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

copyright 2014. State of New Hampshire