Birch - 69000300
St. Louis County

Water Level Data

Period of record: 09/14/1962 to 06/14/2023
# of readings: 2537
Highest recorded: 1421.62 ft (05/09/2006)
Lowest recorded: 1415.9 ft (04/12/1982)
Recorded range: 5.72 ft
Last reading: 1419.52 ft (06/14/2023)
Ordinary High Water Level (OHW) elevation: 1419.99 ft
Datum: NGVD 29 (ft)

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Last 10 years of data, click to enlarge.

Benchmarks

Elevation: 1431.53 ftDatum: NGVD 29 (ft)
Date Set: 04/25/1996Location: T62R11S31
Description: Found 2015. MnDOT disc in the southeast abutment of Trunk Highway 1 bridge immediately downstream of Birch Lake outlet dam. [Note: Add 0.77' to NGVD 1929 elevations to equate to NAVD 1988 datum.]

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