Penobscot River Water Level

Live water level data from USGS monitoring gauges near Penobscot River. Monitoring conditions for 17 boat ramps.

Water level data is temporarily unavailable. Check the USGS gauge page directly.

Monitoring Gauges

E. Br. Penobscot River below Grand Lake Matagamon

USGS 01029100 · Stream gauge · 24.1 mi from nearest ramp

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East Branch Penobscot River at Grindstone, Maine

USGS 01029500 · Stream gauge · 8.3 mi from nearest ramp

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Mattawamkeag River near Mattawamkeag, Maine

USGS 01030500 · Stream gauge · 4.8 mi from nearest ramp

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How Water Levels Affect Boat Ramp Access

Penobscot River has 17 public boat ramps. When water levels drop significantly below normal, concrete ramps may not extend to the waterline and natural or gravel launches can become impassable. Carry-in launches for kayaks and canoes are generally less affected by water level changes.

Check the current gauge reading above before trailering to Penobscot River. For detailed information on individual ramps, visit the Penobscot River boat ramps page.

Frequently Asked Questions

How do water levels affect boat ramp access at Penobscot River?

Penobscot River has 17 public boat ramps. When water levels are significantly below normal, some ramps may become difficult to use or inaccessible. Concrete ramps are generally usable at a wider range of water levels than natural or gravel launches.

Where does this water level data come from?

Water level data is provided by the U.S. Geological Survey (USGS) National Water Information System. Readings are updated approximately every 15 minutes from automated monitoring gauges. Data shown here is provisional and subject to revision.

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