Lake water level report
Tetonka - 40003100
Le Sueur County
Water Level Data
Period of record: 05/05/1937 to 04/03/2025
# of readings: 2187
Highest recorded: 1003.82 ft (03/26/2019)
Lowest recorded: 997.58 ft (02/05/1990)
Recorded range: 6.24 ft
Last reading: 1000.72 ft (04/03/2025)
Ordinary High Water Level (OHW) elevation: 1000.5 ft
Datum: NGVD 29 (ft)
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Last 10 years of data, click to enlarge.
Benchmarks
| Elevation: 1007.72 ft | Datum: NGVD 29 (ft) |
| Date Set: 02/28/2007 | Location: T109R23S27 |
| Description: A magic marker "x" on bolt head at the top upstream end of the right (west) wooden abutment of the Lind Street West bridge over the outlet (Cannon River). | |
| Elevation: 1004.35 ft | Datum: NGVD 29 (ft) |
| Date Set: 04/28/2008 | Location: T109R23S27 |
| Description: Found 2011. Top centerline bottom step south entrance on E side of house on green indoor/outdoor carpet, at private residence, 710 Virginia St., Waterville. | |
| Elevation: 1006.05 ft | Datum: NGVD 29 (ft) |
| Date Set: 04/13/2011 | Location: T109R23S27 |
| Description: Found 2015 for use only with prior permission from landowner. Top high point on well cap on west lot line, approx 25' from water's edge, at private residence, 905 Lillian St W, Waterville. | |
| Elevation: 1005.75 ft | Datum: NGVD 29 (ft) |
| Date Set: 03/17/2016 | Location: T109R23S28 |
| Description: Found 2025. 60d spike in south side of a 1.8' oak, 0.8' above ground, 90' west of top of concrete ramp, 5' north of access entrance from parking area, at Public Access, off 500th Ln, southeast of 17132 500th Ln, Waterville. [Note: Elevation = 1005.54 (NAVD 1988) as per 3/26/19 GPS survey.] | |