Aroostook River at Masardis, ME
River level and flood forecast · Aroostook County
The river is 14.8 ft below flood stage (17 ft).
Forecast to rise to 2.4 ft Thu 8 AM, below the 17 ft flood stage.
Flow: 51 cubic feet per second (USGS).
The lowest for October 13 in 69 years of records.
Usual for October 13: 258 to 1,160 cubic feet per second (the middle half of 69 years).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 11:14 AM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts Aroostook River at Masardis to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 18 ft |
| Flood stage | 17 ft |
| Action stage | 15.5 ft |
| Record crest (April 9, 2009) | 18.7 ft |
What floods at each level
From the National Weather Service, highest first.
- 20 ftState Route 11 bridge across the St. Croix Stream is closed. Severe impact to structures along State Route 11 in Masardis.
- 18 ftGarfield Road closed at the bridge over the Aroostook River. Several structures along State Route 11 in Masardis impacted by floodwaters. Significant inundation of agricultural lands downstream of the St. Croix Stream in Masardis to the Butler Island Wildlife Management Area in Ashland.
- 17 ftMinor flooding along State Route 11 in Masardis and backwater flooding along the St. Croix Stream.
- 15.5 ftMinor flooding occurs in agricultural lands along the river from Downstream of the St. Croix Stream in Masardis to the Butler Island Wildlife Management Area in Ashland.
Highest crests on record
- 18.7 ft — April 9, 2009
- 18.33 ft — May 1, 2008
- 18.17 ft — April 16, 2014
- 18 ft — April 18, 1994
- 17.7 ft — April 19, 1983
Recent crests: 14.09 ft (April 15, 2024) · 14.83 ft (December 20, 2023) · 13.29 ft (April 17, 2022) · 16.19 ft (April 22, 2019) · 16.57 ft (April 28, 2018)
Highest flow on record
29,500 cubic feet per second — May 1, 2008. From the USGS's yearly peaks since 1958.
Up and down the river, and nearby
- DownstreamAroostook River at Washburn, ME
- Williams Brook near Presque Isle, ME
- Hardwood Brook near Caribou, ME
- Seboeis River near Shin Pond, ME
- Little Madawaska River near Caribou, ME
- E. Branch of Penobscot Below Grand Lake Matagamon, ME
- Meduxenkeag River at Lowery Rd near Houlton, ME
- Meduxnekeag River above South Branch near Houlton, ME
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MASM1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.