St. Croix River above Vanceboro, ME

River level and flood forecast · Washington County

Normal4.3 ftas of Mon 11:45 PM

The river is 5.7 ft below flood stage (10 ft).

Flow: 377 cubic feet per second (USGS).

Lower than normal for October 13.

Usual for October 13: 381 to 826 cubic feet per second (the middle half of 98 years).

The last 7 days and the forecast

2468101214WedThuFriSatSunMonTueAction 9.5 ftFlood 10 ftModerate 12 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

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Flood stages

Moderate flood stage12 ft
Flood stage10 ft
Action stage9.5 ft
Record crest (June 3, 1984)11.28 ft

What floods at each level

From the National Weather Service, highest first.

  • 12 ftA 0.1 percent flood level. Maximum discharge of 7,700cfs from the Vanceboro Dam. Flooding of camps along Loon Bay Road in Lambert Lake Township and Dyer Township above the Grand Falls Flowage.
  • 10 ftMinor lowland flooding along properties on Salmon Brook Road in Vanceboro. Additional minor flooding of properties along Loon Bay Road in Lambert Lake Township and Dyer Township above the Grand Falls Flowage.
  • 9.5 ftRiver approaches bankfull.

Highest crests on record

  1. 11.28 ft — June 3, 1984
  2. 11.21 ft — April 27, 2019
  3. 10.88 ft — April 4, 1976
  4. 10.78 ft — April 8, 2024
  5. 10.43 ft — April 29, 1973

Recent crests: 10.78 ft (April 8, 2024) · 8.84 ft (April 20, 2023) · 8.69 ft (December 11, 2022) · 11.21 ft (April 27, 2019) · 9.24 ft (May 1, 2018)

Highest flow on record

6,970 cubic feet per second — April 27, 2019. From the USGS's yearly peaks since 1929.

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (VBOM1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.