Welcome to the USGS New England Water Science Center. We provide timely and reliable information to Federal, State, Tribal, and local stakeholders on the water resources of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further.

2 days ago · The earthquake happened less than 10 miles east of Portsmouth and could be felt across New Hampshire and much of New England. >> Information from the USGS | Interactive earthquake map

Click a topic below to view the current conditions in New Hampshire.

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

2 days ago · An earthquake just off Maine Monday was felt in Boston and into Connecticut, Vermont and New Hampshire, according to a "shake map."

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

The New Hampshire Geological Survey (NHGS) serves its mission to provide the public with accurate and useful information about the land, mineral and water resources in the state while also mapping the state, maintaining water well database, assessing hazards and preserving New Hampshire’s rich history of mining, geologic mapping and research ...

StreamStats for New Hampshire incorporates regression equations that can be used to estimate the long-term flood discharges at recurrence intervals of 2-, 5-, 10-, 25-, 50-, 100-, and 500-years.