| 25.0 | Flooding may be occuring downstream in Ontonagon...especially during above normal lake levels or ice coverage near the mouth of the river |
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1) 28.60 ft on 08/22/1942
2) 20.90 ft on 05/12/2003
3) 20.82 ft on 04/24/1960
4) 20.34 ft on 04/17/2002
5) 20.12 ft on 04/01/1986
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Low water records are unavailable.
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