Reservoir · Missouri · United States · USACE CWMS
Smithville Dam & Reservoir
96.5% full
Capacity
178.36 hm³
Volume stored
172 hm³
Coordinates
39.399°N, 94.557°W
Last updated
2026-07-30
Current fill
96.5%vs 7 days ago
+0.1%gaining
vs 1 year ago
-3.0%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: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.399, -94.557 · Open in Google Maps
About Smithville Dam & Reservoir
As of July 30, 2026, Smithville Dam & Reservoir is filled to 96.5% of its total capacity, holding roughly 172 hm³ of water out of a maximum 178 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.1 pts), and it is 3.0 points below its level on the same date a year earlier.
Across the readings we hold for Smithville Dam & Reservoir — 328 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 86.5% (December 15, 2021) to a high of 101.5% (June 14, 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 lies within the Missouri basin at 39.399°N, 94.557°W.
Key facts
- Current fill level
- 96.5%
- Water stored
- 172 hm³
- Total capacity
- 178 hm³
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▼ 3.0 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 39.399°N, 94.557°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 96.5% | 172 |
| 29 Jul 2026 | 96.4% | 172 |
| 28 Jul 2026 | 96.5% | 172 |
| 27 Jul 2026 | 96.6% | 172 |
| 26 Jul 2026 | 96.6% | 172 |
| 25 Jul 2026 | 96.7% | 173 |
| 24 Jul 2026 | 96.8% | 173 |
| 23 Jul 2026 | 96.9% | 173 |
| 22 Jul 2026 | 97.1% | 173 |
| 21 Jul 2026 | 97.3% | 173 |
| 20 Jul 2026 | 97.4% | 174 |
| 19 Jul 2026 | 97.4% | 174 |
Frequently asked questions
What is the current water level of Smithville Dam & Reservoir?
As of July 30, 2026, Smithville Dam & Reservoir is at 96.5% of its capacity, holding approximately 172 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Smithville Dam & Reservoir reservoir full?
Smithville Dam & Reservoir is essentially full, sitting at 96.5% of capacity as of July 30, 2026.
Is the water level at Smithville Dam & Reservoir rising or falling?
The level at Smithville Dam & Reservoir has been broadly stable over the latest week on record (+0.1 points).
How much water can Smithville Dam & Reservoir hold?
Smithville Dam & Reservoir has a total capacity of 178 hm³.
Where is Smithville Dam & Reservoir reservoir located?
Smithville Dam & Reservoir is located in Missouri, United States, within the Missouri basin (coordinates 39.399°N, 94.557°W).
What is Smithville Dam & Reservoir used for?
Smithville Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.