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The linked gauge for Eastern Stump Lake reported 49.98 ft at its latest stored observation on Oct 8, 2026, on a falling 30-day trend (-0.10 ft).
Local gage height: 49.98 ft
-0.10 ft net change over past 30 days
Verified freshwater recreation waterbody
Brisk (50–60°F) · Cold shock risk · Wetsuit recommended
TOLNA COULEE NEAR TOLNA, ND · Oct 8, 8:00 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Wed, Oct 7, 2026 | 1451.21 | +1401.21 ft | Provisional |
| Wed, Oct 7, 2026 | 50.00 | -1401.21 ft | Provisional |
| Mon, Oct 5, 2026 | 1451.21 | +1401.21 ft | Provisional |
| Mon, Oct 5, 2026 | 50.00 | -0.01 ft | Provisional |
| Sun, Oct 4, 2026 | 50.01 | -1401.21 ft | Provisional |
| Sun, Oct 4, 2026 | 1451.22 | +0.01 ft | Provisional |
| Sat, Oct 3, 2026 | 1451.21 | +1401.21 ft | Provisional |
| Sat, Oct 3, 2026 | 50.00 | -0.02 ft | Provisional |
| Fri, Oct 2, 2026 | 50.02 | -1401.21 ft | Provisional |
| Fri, Oct 2, 2026 | 1451.23 | -0.07 ft | Provisional |
| Thu, Oct 1, 2026 | 1451.30 | +1401.21 ft | Provisional |
| Thu, Oct 1, 2026 | 50.09 | +0.06 ft | Provisional |
| Wed, Sep 30, 2026 | 50.03 | -1401.21 ft | Provisional |
| Wed, Sep 30, 2026 | 1451.24 | — | Provisional |
Current index calculated from verified local atmospheric, hydrographic & alert inputs.
Very Poor / Avoid for swimming (19/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. Working against it: Measured water temperature 52°F from a representative gauge 8.3 mi away. Provisional data. Immersion shock hazard: water below 55°F poses severe cold shock and rapid hypothermia risk. Air temperature 40°F. Water temperature is 52°F (below 55°F). Severe cold shock and hypothermia hazard upon immersion. Confidence is moderate (75%) because some inputs are unavailable or older than ideal.