Lake name: Madison

County: Blue Earth


Last 10 years of data, click to enlarge.

Water Level Data

Period of record: 01/01/1939 to 04/16/2019
# of readings: 5192
Highest recorded: 1018.98 ft (09/26/2016)
Lowest recorded: 1003 ft (05/01/1939)
Recorded range: 15.98 ft
Last reading: 1017.7 ft (04/16/2019)
Ordinary High Water Level (OHW) elevation: 1017 ft
Datum: NGVD 29 (ft)

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Benchmarks

Elevation: 1031.11 ftDatum: NGVD 29 (ft)
Date Set: 04/25/2013Location: T108R25S11
Description: Found 2015 for Gage Run use only with prior permission. Top centerline of outside (lakeside) edge of brick window sill at NW corner of private residence, 150 Nighthawk Ln, Madison Lake.
Elevation: 1017.84 ftDatum: NGVD 29 (ft)
Date Set: 10/10/2012Location: T108R25S12
Description: Top downstream (north) end of northeasterly of two 36" CMP culverts under field road over outlet at NE end of Schoolhouse Lake (07-0035). [Note: Subtract 0.10' from NAVD 1988 elevations to equate to NGVD 1929 datum.]
Elevation: 1026.18 ftDatum: NGVD 29 (ft)
Date Set: 04/22/2008Location: T109R25S36
Description: Found 2012 for Gage Run use only with prior permission. Top centerline of concrete door sill of garage door entrance at back of private residence, 62619 Shorewood Ln, Madison Lake, east of steps from deck.
Elevation: 1019.78 ftDatum: NGVD 29 (ft)
Date Set: 03/17/2016Location: T108R25S10
Description: Chiseled square on upstream end of lower headwall of outlet culvert, on SW side of lake, NW of 22090 Niagra Rd, Madison Lake.
Elevation: 1021.82 ftDatum: NGVD 29 (ft)
Date Set: 03/31/2016Location: T108R25S10
Description: Found 2018 for use only with prior permission from landowner. 60d spike in lakeside of a 1.2' cedar, 0.5' above ground, 35' from water's edge, in between steps down to lake and trail leading to lake, at private residence, 22525 Lake View Rd, Madison Lake.