Reservoir · Missouri · United States · USACE CWMS
Smithville Dam & Reservoir
95.7% full
Capacity
178.36 hm³
Volume stored
171 hm³
Vs month average
99% of normal
Coordinates
39.399°N, 94.557°W
Last updated
2026-10-28
Current fill
95.7%vs 7 days ago
-0.3 pplosing
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
99%of normal
95.7% full on 2026-10-28, against an average of 96.4% for October across 2 years of readings (-0.7 points).
Drought Monitor at this site · 20 October 2026
Nonenot in a drought category
Smithville Dam & Reservoir's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Missouri drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.399°N, 94.557°W · Open in Google Maps
About Smithville Dam & Reservoir
As of October 28, 2026, Smithville Dam & Reservoir is filled to 95.7% of its total capacity, holding 170.77 hm³ of water out of a maximum 178.36 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.3 pp).
Across the readings we hold for Smithville Dam & Reservoir — 330 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 86.4% (March 5, 2022) to a high of 98.1% (June 30, 2026). On average the reservoir is fullest around June and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It is at 39.399°N, 94.557°W.
Key facts
- Current fill level
- 95.7% of total capacity
- Water stored
- 170.77 hm³
- Total capacity
- 178.36 hm³
- 7-day change
- ▼ 0.3 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 39.399°N, 94.557°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 95.7% | 170.77 |
| 27 Oct 2026 | 95.7% | 170.69 |
| 26 Oct 2026 | 95.7% | 170.77 |
| 25 Oct 2026 | 95.8% | 170.86 |
| 24 Oct 2026 | 95.8% | 170.95 |
| 23 Oct 2026 | 95.9% | 171.12 |
| 22 Oct 2026 | 96.0% | 171.21 |
| 21 Oct 2026 | 96.0% | 171.3 |
| 20 Oct 2026 | 96.1% | 171.38 |
| 19 Oct 2026 | 96.1% | 171.47 |
| 18 Oct 2026 | 96.2% | 171.56 |
| 17 Oct 2026 | 96.3% | 171.73 |