New Hampshire Fishing Water Quality
Find the best fishing spots in New Hampshire with real-time water quality data
Stations with the freshest data in New Hampshire
SACO RIVER AT RIVER STREET, AT BARTLETT, NH
LAMPREY RIVER AT LANGFORD ROAD, AT RAYMOND, NH
SOUTH BRANCH PISCATAQUOG RIVER NEAR GOFFSTOWN, NH
SOUHEGAN RIVER (SITE WLR-1) NEAR MILFORD, NH
CONNECTICUT RIVER AT NORTH STRATFORD, NH
ISINGLASS R AT ROCHESTER NECK RD, NR DOVER, NH
ASHUELOT RIVER NEAR GILSUM, NH
COLD RIVER AT HIGH STREET, AT ALSTEAD, NH
CONNECTICUT R BELOW INDIAN STREAM NR PITTSBURG, NH
MERRIMACK RIVER AT FRANKLIN JUNCTION, NH
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Fishing Closures
New Hampshire not yet covered — verify officiallyVerify before fishing
Regulations can change by season, species, and water body.
Great Bay National Estuarine Research Reserve
GearGreat Bay National Wildlife Refuge
GearHampton Beach State Park
GearOdiorne Point State Park
GearRye Harbor State Park (Ragged Neck)
GearAbout Fishing in New Hampshire
New Hampshire offers diverse fishing opportunities with 1493 water quality monitoring stations tracking conditions across the state. Whether you're looking for bass, trout, catfish, or other species, our real-time water quality data helps you find the best fishing spots.
Understanding Readiness Scores
The readiness score (0–100) reflects how current and complete a station's public data is — how recently it reported and how many parameters it carries — not a grade of the water itself. A higher score means more up-to-date, more complete data. The direct assessment of water conditions (dissolved oxygen, pH, temperature, bacteria) is shown on each spot page, where those measured values are evaluated.
Planning Your Fishing Trip
Before heading out, always check local regulations and obtain the required fishing license. Water quality conditions can change rapidly, so we recommend checking scores on the day of your trip for the most accurate information.