ISINGLASS RIVER

Last Updated: December 4, 2025

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 1 streamgages of the Isinglass River


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Isinglass River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Isinglass River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Isinglass R At Rochester Neck Rd
USGS 01072870
39 cfs 3.47 ft 18.04
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The river has a rich history and has served as a vital resource for agricultural and industrial communities in the area for centuries. The Isinglass River flows through several towns, including Barrington, Rochester, and Dover. The river's hydrology is influenced by various factors, including seasonal rainfall and the release of water from upstream reservoirs. Two notable reservoirs along the river are the Bow Lake and the Milton Three Ponds, which are managed by the state of New Hampshire. The Isinglass River supports various recreational activities, such as fishing and kayaking, and also serves as a source of water for local farms. Despite facing environmental challenges, the Isinglass River remains an essential resource for the local community.