State · United States · USGS · BOR · USACE · CDEC
Minnesota
63.2% average fill
Measured
9
Data pending
2
Volume stored
3,378 hm³
Measured capacity
5,347 hm³
Critical
1
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Reservoirs
Sorted by capacityRed Lake Dam
Updated 2026-09-11
Lake Winnibigoshish Dam
Updated 2026-09-11
Pokegama Lake Dam
Updated 2026-09-11
Big Sandy Lake Dam
Updated 2026-09-11
Lake Traverse
Updated 2026-09-11
Gull Lake Dam
Updated 2026-09-11
Lac qui Parle Dam
Updated 2026-09-11
Highway 75 Dam
criticalUpdated 2026-09-11
Orwell Dam
Updated 2026-09-11
Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.
Major reservoirs — data pending
2 major reservoirs — data sourcing in progress
Storage is monitored by the US Army Corps of Engineers (USACE CWMS), but the live feed is currently stale — we are working to restore it. Known capacities: Marsh Lake Dam (0.0 km³), Cross Lake (0.1 km³).
About reservoirs in Minnesota
As of September 11, 2026, the reservoirs we track across Minnesota that report live levels hold roughly 3,378 hm³ of water — about 63.2% of their combined capacity. Taken together, Minnesota's reservoirs are within their normal operating range.
Across the region, 1 reservoir is at critically low levels. Orwell Dam is the fullest at 105.0%, while Highway 75 Dam is the lowest at 8.7%.
Over the most recent week on record, 1 reservoir rose across Minnesota.
Storage figures for Minnesota come from USGS · USACE · BOR · CDEC; the most recent reading is from September 11, 2026. Each reservoir below links to its own page with full history and seasonal context.
Minnesota at a glance
- Reservoirs tracked
- 9
- Average fill
- 63.2%
- Water stored
- 3,378 hm³
- Combined capacity
- 5,347 hm³
- At critically low levels
- 1
- Fullest
- Orwell Dam (105.0%)
- Lowest
- Highway 75 Dam (8.7%)
- Last updated
- September 11, 2026