Lake water level report
Blackduck - 04006900
Beltrami County
Water Level Data
Period of record: 07/01/1954 to 05/01/2024
# of readings: 220
Highest recorded: 1347.23 ft (06/03/2005)
Lowest recorded: 1343.28 ft (03/01/1957)
Recorded range: 3.95 ft
Last reading: 1345.56 ft (05/01/2024)
Ordinary High Water Level (OHW) elevation: 1346 ft
Datum: NGVD 29 (ft)
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Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 1350.34 ft | Datum: NGVD 29 (ft) |
| Date Set: 10/28/1977 | Location: T149R31S4 |
| Description: Found 2012. Brass plate in downstream headwall/wheelguard of bridge at outlet structure. | |
| Elevation: 1350.46 ft | Datum: NGVD 29 (ft) |
| Date Set: 08/08/2012 | Location: T149R31S4 |
| Description: Painted + on the top of the upstream abutment near the wheelguard rail pier at outlet structure. | |