Thunder - 11006200
Cass County

Water Level Data

Period of record: 03/14/1935 to 05/24/2023
# of readings: 84
Highest recorded: 1305.6 ft (05/18/1999)
Lowest recorded: 1300.08 ft (03/14/1935)
Recorded range: 5.52 ft
Last reading: 1305.17 ft (05/24/2023)
Ordinary High Water Level (OHW) elevation: 1305.4 ft
Datum: NGVD 29 (ft)

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Last 10 years of data, click to enlarge.

Benchmarks

Elevation: 1310.62 ftDatum: NGVD 29 (ft)
Date Set: 01/04/1978Location: T140R26S10
Description: Centerline downstream headwall of 10' x 6' concrete box culvert under MN Hwy 6.
Elevation: 1308.6 ftDatum: NGVD 29 (ft)
Date Set: 01/04/1978Location: T140R26S10
Description: Left end of right abutment above gage on outlet dam.

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