State · United States · USGS · BOR · USACE · CDEC
Indiana
99.5% average fill
Measured
5
Data pending
2
Volume stored
1,021 hm³
Measured capacity
1,026 hm³
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Reservoirs
Sorted by capacityMonroe Lake
Updated 2026-06-11
Brookville Lake Dam
Updated 2026-06-11
Patoka Lake
Updated 2026-06-11
Cagles Mill Lake
Updated 2026-06-11
C. M. Harden Lake
Updated 2026-06-11
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: Mississinewa Lake (0.2 km³), Salamonie Lake (0.1 km³).
Mississinewa Lake
SourcingSalamonie Lake
SourcingAbout reservoirs in Indiana
As of June 11, 2026, the reservoirs we track across Indiana that report live levels hold roughly 1,021 hm³ of water — about 99.5% of their combined capacity. Taken together, Indiana's reservoirs are high.
None of the tracked reservoirs are currently at critically low levels. C. M. Harden Lake is the fullest at 105.0%, while Cagles Mill Lake is the lowest at 64.8%.
Storage figures for Indiana come from USGS · USACE · BOR · CDEC; the most recent reading is from June 11, 2026. Each reservoir below links to its own page with full history and seasonal context.
Indiana at a glance
- Reservoirs tracked
- 5
- Average fill
- 99.5%
- Water stored
- 1,021 hm³
- Combined capacity
- 1,026 hm³
- Fullest
- C. M. Harden Lake (105.0%)
- Lowest
- Cagles Mill Lake (64.8%)
- Last updated
- June 11, 2026
Frequently asked questions
How full are reservoirs in Indiana right now?
As of June 11, 2026, the reservoirs tracked in Indiana that report live levels are 99.5% full overall, holding about 1,021 hm³ of water.
How many reservoirs are there in Indiana?
reservoirs.earth tracks 5 reservoirs in Indiana, with a combined storage capacity of 1,026 hm³.
Which reservoir in Indiana is the fullest?
C. M. Harden Lake is currently the fullest reservoir in Indiana, at 105.0% of capacity.
Which reservoir in Indiana is the lowest?
Cagles Mill Lake is currently the lowest in Indiana, at 64.8% of capacity.
Where does the reservoir data for Indiana come from?
All storage figures for Indiana come from USGS · USACE · BOR · CDEC, an official source, last updated June 11, 2026.