Reservoir · Ohio · United States · USACE CWMS
West Fork of Mill Creek Lake
27.5% full
Capacity
4.33 hm³
Volume stored
1 hm³
Coordinates
39.260°N, 84.495°W
Last updated
2026-07-29
Current fill
27.5%vs 7 days ago
-0.5%losing
vs 1 year ago
+1.2%year-over-year
7-day trend
→stable
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: 2026-07-29.
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 July 29, 2026, West Fork of Mill Creek Lake is filled to 27.5% 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 held broadly steady (-0.5 pts), and it is 1.2 points above its level on the same date a year earlier.
Across the readings we hold for West Fork of Mill Creek Lake — 327 data points between July 31, 2021 and July 29, 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 February and at its lowest around September.
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
- 27.5%
- Water stored
- 1 hm³
- Total capacity
- 4 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▲ 1.2 pts
- Primary use
- Multipurpose
- River basin
- Ohio
- Operator
- USACE
- Coordinates
- 39.260°N, 84.495°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 27.5% | 1 |
| 28 Jul 2026 | 28.0% | 1 |
| 27 Jul 2026 | 27.4% | 1 |
| 26 Jul 2026 | 28.3% | 1 |
| 25 Jul 2026 | 30.0% | 1 |
| 24 Jul 2026 | 31.7% | 1 |
| 23 Jul 2026 | 34.0% | 1 |
| 22 Jul 2026 | 44.0% | 2 |
| 21 Jul 2026 | 48.8% | 2 |
| 20 Jul 2026 | 28.4% | 1 |
| 19 Jul 2026 | 28.4% | 1 |
| 18 Jul 2026 | 27.7% | 1 |
Frequently asked questions
What is the current water level of West Fork of Mill Creek Lake?
As of July 29, 2026, West Fork of Mill Creek Lake is at 27.5% of its capacity, holding approximately 1 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is West Fork of Mill Creek Lake reservoir full?
No. As of July 29, 2026, West Fork of Mill Creek Lake is low at 27.5% of its capacity, so it is not full.
Is the water level at West Fork of Mill Creek Lake rising or falling?
The level at West Fork of Mill Creek Lake has been broadly stable over the latest week on record (-0.5 points).
How much water can West Fork of Mill Creek Lake hold?
West Fork of Mill Creek Lake has a total capacity of 4 hm³.
Where is West Fork of Mill Creek Lake reservoir located?
West Fork of Mill Creek Lake is located in Ohio, United States, within the Ohio basin (coordinates 39.260°N, 84.495°W).
What is West Fork of Mill Creek Lake used for?
West Fork of Mill Creek Lake is used primarily for multiple purposes, and is managed by USACE.