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The linked gauge for Allegheny Reservoir reported 1322.09 ft at its latest stored observation on Oct 11, 2026, on a falling 30-day trend (-4.03 ft).
Local gage height: 1322.09 ft
-4.03 ft net change over past 30 days
Deepest basin sounding across ~12,000 acres
Refreshing (60–70°F) · Cool swim · Moderate comfort
Nearby river temperature: 64.8°F at Allegheny River at Kinzua Dam, PA (0.6 mi away) · Oct 11, 4:00 PM UTC
| Observation Date | Gage height (ft) | 24h Change | Approval Status |
|---|---|---|---|
| Fri, Oct 9, 2026 | 1323.44 | -0.44 ft | Provisional |
| Thu, Oct 8, 2026 | 1323.88 | -0.53 ft | Provisional |
| Wed, Oct 7, 2026 | 1324.41 | -0.50 ft | Provisional |
| Tue, Oct 6, 2026 | 1324.91 | -0.43 ft | Provisional |
| Mon, Oct 5, 2026 | 1325.34 | -0.55 ft | Provisional |
| Sun, Oct 4, 2026 | 1325.89 | -0.55 ft | Provisional |
| Sat, Oct 3, 2026 | 1326.44 | -0.45 ft | Provisional |
| Fri, Oct 2, 2026 | 1326.89 | -0.41 ft | Provisional |
| Thu, Oct 1, 2026 | 1327.30 | -0.19 ft | Provisional |
| Wed, Sep 30, 2026 | 1327.49 | -0.20 ft | Provisional |
| Tue, Sep 29, 2026 | 1327.69 | -0.16 ft | Provisional |
| Mon, Sep 28, 2026 | 1327.85 | -0.18 ft | Provisional |
| Sun, Sep 27, 2026 | 1328.03 | -0.17 ft | Provisional |
| Sat, Sep 26, 2026 | 1328.20 | — | Provisional |
Direct in-situ sensor data is required to compute numeric suitability.
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.