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Minnesota · Lake
Otter Tail County · 1.3K ac
We can’t reliably identify Lake Blanche in the federal hydrography dataset, so we’re not showing consumption advisory, invasive species, or habitat data for it. Another water body shares its identifier in our records — one about 1 km away. Rather than show you data that may belong to a different lake, we’re showing nothing.
Check these directly with the agency that publishes them:
No agency publishes these per lake — they are figures we compute:
Checked October 10, 2026.
19.3 m (63 ft) — a measured depth, not an estimate.
From a bathymetric survey. The dataset records the survey method but does not name the individual source for this lake.
Measured (in situ) values only; never modelled or interpolated. Source: LAGOS-US DEPTH v1.0 (edi.1043.1), Environmental Data Initiative. Licensed CC BY 4.0.
3.4 m (11.2 ft) Secchi depth, measured 22 Sep 2025.
478 readings between 1996 and 2025 at station MNPCA-56-0240-00-202. The figure shown is the most recent.
Source: Minnesota Pollution Control Agency, distributed via the Water Quality Portal (National Water Quality Monitoring Council, USGS, EPA; 2021).
1.3K
Acres
No AIS detected – verify before launch
AIS Status
N/A
Last Stocked
Data provided by: Minnesota Department of Natural Resources, Wisconsin Department of Natural Resources, North Dakota Game and Fish Department, South Dakota Game, Fish and Parks, Michigan Department of Natural Resources. All data subject to respective agency terms and conditions.