Reservoir · Indiana · United States · USACE CWMS
C. M. Harden Lake
105.0% full
Capacity
60.76 hm³
Volume stored
66 hm³
Coordinates
39.717°N, 87.072°W
Last updated
2026-06-11
Current fill
105.0%vs 7 days ago
0.0%stable
vs 1 year ago
+16.9%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.717, -87.072 · Open in Google Maps
About C. M. Harden Lake
As of June 11, 2026, C. M. Harden Lake is filled to 105.0% of its total capacity, holding roughly 66 hm³ of water out of a maximum 61 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 16.9 points above its level on the same date a year earlier.
Across the readings we hold for C. M. Harden Lake — 329 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 29.8% (February 12, 2026) to a high of 105.0% (June 13, 2021). On average the reservoir is fullest around July and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Indiana basin at 39.717°N, 87.072°W.
Key facts
- Current fill level
- 105.0%
- Water stored
- 66 hm³
- Total capacity
- 61 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 16.9 pts
- Primary use
- Multipurpose
- River basin
- Indiana
- Operator
- USACE
- Coordinates
- 39.717°N, 87.072°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 105.0% | 66 |
| 10 Jun 2026 | 105.0% | 65 |
| 9 Jun 2026 | 105.0% | 65 |
| 8 Jun 2026 | 105.0% | 65 |
| 7 Jun 2026 | 105.0% | 64 |
| 6 Jun 2026 | 105.0% | 65 |
| 5 Jun 2026 | 105.0% | 65 |
| 4 Jun 2026 | 105.0% | 65 |
| 3 Jun 2026 | 105.0% | 66 |
| 2 Jun 2026 | 105.0% | 68 |
| 1 Jun 2026 | 105.0% | 69 |
| 31 May 2026 | 105.0% | 70 |
Frequently asked questions
What is the current water level of C. M. Harden Lake?
As of June 11, 2026, C. M. Harden Lake is at 105.0% of its capacity, holding approximately 66 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is C. M. Harden Lake reservoir full?
C. M. Harden Lake is essentially full, sitting at 105.0% of capacity as of June 11, 2026.
Is the water level at C. M. Harden Lake rising or falling?
The level at C. M. Harden Lake has been broadly stable over the latest week on record (0.0 points).
How much water can C. M. Harden Lake hold?
C. M. Harden Lake has a total capacity of 61 hm³.
Where is C. M. Harden Lake reservoir located?
C. M. Harden Lake is located in Indiana, United States, within the Indiana basin (coordinates 39.717°N, 87.072°W).
What is C. M. Harden Lake used for?
C. M. Harden Lake is used primarily for multiple purposes, and is managed by USACE.