St. John River at Nine Mile Bridge
Flood levels
Official flood levels at this gauge: action stage begins at 13.0 ft; minor flooding begins at 15.0 ft; moderate flooding begins at 20.0 ft; major flooding begins at 23.0 ft.
| Action stage | 13.0 ft |
|---|---|
| Minor flooding | 15.0 ft |
| Moderate flooding | 20.0 ft |
| Major flooding | 23.0 ft |
Highest recorded crests
- 23.0 ft on Apr 11, 1991 (historic crest)
- 20.0 ft on Apr 2, 1976 (historic crest)
- 19.4 ft on Apr 2, 2016 (historic crest)
- 19.1 ft on Apr 16, 2019 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 13.0 ft | The 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. |
|---|---|
| 14.0 ft | Dangerous flows encroach on the Red Pine Grove Airfield and the nearby Red Pines Boat Launch off Realty Road, downstream of the former Moody Bridge. |
| 15.0 ft | Minor 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. |
| 20.0 ft | Several 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. |
| 21.0 ft | The 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. |
| 23.0 ft | Widespread 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. |
Forecast office: NWS Caribou · River Forecast Center: Northeast River Forecast Center.
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Nearby stations and gauges
- Big Black River near Depot Mountain NWS gauge · 13.5 mi
- Allagash River above Allagash NWS gauge · 39.4 mi