Portage - 29025000
Hubbard County

Water Level Data

Period of record: 12/06/1958 to 04/24/2024
# of readings: 832
Highest recorded: 1434.88 ft (10/03/2021)
Lowest recorded: 1432.78 ft (08/25/1966)
Recorded range: 2.1 ft
Last reading: 1434.28 ft (04/24/2024)
Ordinary High Water Level (OHW) elevation: 1434.4 ft
Datum: NGVD 29 (ft)

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Last 10 years of data, click to enlarge.

Benchmarks

Elevation: 1438.28 ftDatum: NGVD 29 (ft)
Date Set: 08/09/2006Location: T140R35S10
Description: Found 2024. Upstream corner at right end of upstream headwall of concrete box culvert under U.S. Hwy 71 at the outlet. [Note: Elevation = 1439.21 (NAVD 88) as per GPS survey 2/6/15.]
Elevation: 1442.01 ftDatum: NGVD 29 (ft)
Date Set: 08/09/2006Location: T140R35S8
Description: Horizontal 3/8" x 8" spike 1.1' above ground in the NE side of a 1.1' oak on top of a bank 20' NNW from edge of road leading to public access ramp, and 87' from water's edge at the public access, 11807 210th St, Park Rapids, on South side of lake.

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