Rivers in Maine

St. John River at Nine Mile Bridge

Aroostook County, MaineNWS NINM1USGS 01010000Caribou office

Below flood stage
0.30ftStage

Observed Tue, Sep 22, 6:00 AM EDT

Flood stage
15.00 ft
Record crest
23.00 ft1991

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood23.00 ft
Moderate flood20.00 ft
Minor flood15.00 ft
Action13.00 ft
  1. 23.00 ftWidespread flooding of trails and campgrounds along The St. John River from Moody Campground to Seven Islands and the Blanchette/Maibec Road Bridge. Additional widespread flooding of campgrounds from Priestly Rapids to the confluence of the Big Black River. Significant flooding of the low areas along the Daaquam Road upstream of the former Moody Bridge. Potential bridge washouts from the St. Juste Road downstream to the Maibec Road. Flooding similar to April 1991.
  2. 21.00 ftThe Daaquam and Realty Road is impassable in sections along the branch of the St. John River from Daaquam, Quebec border downstream to near the former Moody Bridge. Dangerous flows threaten the St. Juste Road crossing and structures near the Red Pine Grove Airfield.
  3. 20.00 ftSeveral campgrounds in the North Woods flooded including Moody, Burntland Brook, Nine Mile, East Nine Mile, Connors Farm, Seven Island, Priestly, Simmons Farm, Basford Rips and Big Black.
  4. 15.00 ftMinor flooding occurs in campgrounds between Burntland Brook to Priestly Rapids with backwater issues on small streams and creeks. Minor flooding near the Red Pines Grove Airfield area off Realty Road.
  5. 14.00 ftDangerous flows encroach on the Red Pine Grove Airfield and the nearby Red Pines Boat Launch off Realty Road, downstream of the former Moody Bridge.
  6. 13.00 ftThe river approaches bankfull. Dangerous flows threaten the bridge on Maibec Road and the Realty Road located upstream of the former Moody Bridge. Water will be nearing the edge of the St. Juste Road crossing, and additional low water crossings are becoming impassable.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Crest history

20 crests on NOAA’s list since 1953.

#DateStage
1April 11, 199123.00 ft
2April 2, 197620.00 ft
3April 2, 201619.44 ft
4April 16, 201919.07 ft
5April 16, 199418.80 ft
6April 5, 200918.14 ft
7April 24, 200715.88 ft
8March 31, 195315.78 ft
9April 22, 199615.15 ft
10April 20, 200814.76 ft
11April 6, 202014.34 ft
12December 21, 196114.26 ft
13May 1, 197412.63 ft
14April 22, 201912.34 ft
15April 30, 201811.46 ft
16April 17, 20229.75 ft
17April 18, 20269.70 ft
18April 14, 20249.02 ft
19May 4, 20208.06 ft
20April 28, 20257.78 ft

Most recent crests

  • April 18, 2026: 9.70 ft
  • April 28, 2025: 7.78 ft
  • April 14, 2024: 9.02 ft
  • April 17, 2022: 9.75 ft
  • May 4, 2020: 8.06 ft
  • April 6, 2020: 14.34 ft
  • April 22, 2019: 12.34 ft
  • April 16, 2019: 19.07 ft
  • April 30, 2018: 11.46 ft
  • April 2, 2016: 19.44 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northeast River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.