LivewellFish consumption advisories
New Hampshire
New Hampshire publishes advisories for 9 waters, covering 34 species-and-size recommendations.
Contaminants of concern: Dioxins, Mercury, PCBs, PFAS
Statewide advisory
These apply across New Hampshire, including waters with no specific advisory of their own.
- All Other Species General population Limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- All Other Species Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per month due to elevated Mercury. New Hampshire statewide mercury advisory
- Brown Trout General population Limit to four meals per week. New Hampshire statewide mercury advisory
- Brown Trout Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- Chain Pickerel General population Limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- Chain Pickerel Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per month due to elevated Mercury. New Hampshire statewide mercury advisory
- Largemouth Bass General population Limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- Largemouth Bass Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per month due to elevated Mercury. New Hampshire statewide mercury advisory
- Rainbow Trout General population Limit to four meals per week. New Hampshire statewide mercury advisory
- Rainbow Trout Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- Smallmouth Bass General population Limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- Smallmouth Bass Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per month due to elevated Mercury. New Hampshire statewide mercury advisory
- White Perch General population Limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- White Perch Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per month due to elevated Mercury. New Hampshire statewide mercury advisory
- Yellow Perch General population Limit to one meal per week due to elevated Mercury. New Hampshire statewide mercury advisory
- Yellow Perch Women who may become pregnant & children under 15 For women who may become pregnant, pregnant or breastfeeding women, and children under 15: limit to one meal per month due to elevated Mercury. New Hampshire statewide mercury advisory
Waters with advisories in New Hampshire
9 waters on file. A water not listed here has no advisory in the state's data — which usually means it has never been sampled, not that it's been cleared.
Lakes 3
Ponds 4
Rivers 2
New Hampshire statewide fishing limits
Statewide defaults — specific waters and zones may differ. Verify the current rules before keeping a fish.
| Species | Size | Daily limit | Open season | Keep season |
|---|---|---|---|---|
| Brook Trout | — | 5 | Year-round | Same as open |
| Brown Trout | — | 5 | Year-round | Same as open |
| Rainbow Trout | — | 5 | Year-round | Same as open |
| Lake Trout | 15" min | 2 | Year-round | 01-01 – 09-30 |
| Atlantic Salmon | 15" min | 2 | Year-round | 04-01 – 09-30 |
| Walleye | 18" min | 2 | Year-round | Same as open |
| Northern Pike | 28" min | 1 | Year-round | Same as open |
| Chain Pickerel | — | 10 | Year-round | Same as open |
| Largemouth Bass | — | 5 | Year-round | 06-16 – 05-14 |
| Smallmouth Bass | — | 5 | Year-round | 06-16 – 05-14 |
| Yellow Perch | — | 25 | Year-round | Same as open |
| Black Crappie | — | 25 | Year-round | Same as open |
| Bluegill | — | 25 | Year-round | Same as open |
Official rules: New Hampshire — New Hampshire Fish & Game