Lake water level report
Swamp - 01009200
Aitkin County
Water Level Data
Period of record: 05/22/1956 to 07/16/2009
# of readings: 247
Highest recorded: 1296.2 ft (06/20/2005)
Lowest recorded: 1293.17 ft (11/28/1967)
Recorded range: 3.03 ft
Last reading: 1295.38 ft (07/16/2009)
Ordinary High Water Level (OHW) elevation: 1295.8 ft
Datum: MSL 1912 (ft)
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Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 1300.44 ft | Datum: MSL 1912 (ft) |
| Date Set: 01/17/1996 | Location: T46R25S26 |
| Description: Found 2009 but loose in rotten oak stump. Bent 3/8 x 8" spike 0.9' above ground in the east side of a 1.7' oak (stump - 2009), on a prominent knob of ground approximately 70' west of access road at public access and 22' landward of the lakeward toe of the lake bank. NOTE: 11/7/86 JMS work report for Clear Lake shows an equation of +0.33' to convert MSLD-1912 to NGVD-1929. | |
| Elevation: 1297.38 ft | Datum: NGVD 29 (ft) |
| Date Set: 07/09/2009 | Location: T46R25S26 |
| Description: Angled large spike in west root of lone 1.0' DBH ash on East side of public access. | |
| Elevation: 1297 ft | Datum: MSL 1912 (ft) |
| Date Set: 01/17/1996 | Location: T46R25S26 |
| Description: At public access, south side of lake, vertical railroad spike in the NE root of a 1.5' oak, 35' east of access ramp and 75' from water's edge (chopped out 1/17/96). Division of Minerals #591 benchmark. Note: 11/7/86 JMS work report for Clear Lake (01-0093) [tied in to this BM] shows an equation of +0.33' to convert MSLD-1912 to NGVD-1929. | |