Reservoir · Ohio · United States · USACE CWMS
West Fork of Mill Creek Lake
29.8% full
Capacity
4.33 hm³
Volume stored
1 hm³
Coordinates
39.260°N, 84.495°W
Last updated
2026-09-10
Current fill
29.8%vs 7 days ago
+2.9%gaining
vs 1 year ago
N/A7-day trend
↑rising
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-09-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.260, -84.495 · Open in Google Maps
About West Fork of Mill Creek Lake
As of September 10, 2026, West Fork of Mill Creek Lake is filled to 29.8% of its total capacity, holding roughly 1 hm³ of water out of a maximum 4 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has risen by 2.9 percentage points.
Across the readings we hold for West Fork of Mill Creek Lake — 329 data points between September 12, 2021 and September 10, 2026 — the level has ranged from a low of 26.1% (September 26, 2021) to a high of 100.0% (February 18, 2022). On average the reservoir is fullest around May and at its lowest around April.
It is operated by USACE primarily for multiple purposes. It lies within the Ohio basin at 39.260°N, 84.495°W.
Key facts
- Current fill level
- 29.8%
- Water stored
- 1 hm³
- Total capacity
- 4 hm³
- 7-day change
- ▲ 2.9 pts
- Primary use
- Multipurpose
- River basin
- Ohio
- Operator
- USACE
- Coordinates
- 39.260°N, 84.495°W
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 29.8% | 1 |
| 9 Sep 2026 | 29.7% | 1 |
| 8 Sep 2026 | 31.0% | 1 |
| 7 Sep 2026 | 31.7% | 1 |
| 6 Sep 2026 | 31.6% | 1 |
| 5 Sep 2026 | 29.5% | 1 |
| 4 Sep 2026 | 27.1% | 1 |
| 3 Sep 2026 | 26.9% | 1 |
| 2 Sep 2026 | 26.9% | 1 |
| 1 Sep 2026 | 26.9% | 1 |
| 31 Aug 2026 | 27.0% | 1 |
| 30 Aug 2026 | 27.0% | 1 |