Reservoir · Missouri · United States · USACE CWMS
Longview Dam & Reservoir
98.9% full
Capacity
27.26 hm³
Volume stored
27 hm³
Coordinates
38.923°N, 94.468°W
Last updated
2026-09-11
Current fill
98.9%vs 7 days ago
+2.6%gaining
vs 1 year ago
N/A7-day trend
↑rising
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: 2026-09-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.923, -94.468 · Open in Google Maps
About Longview Dam & Reservoir
As of September 11, 2026, Longview Dam & Reservoir is filled to 98.9% of its total capacity, holding roughly 27 hm³ of water out of a maximum 27 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 2.6 percentage points.
Across the readings we hold for Longview Dam & Reservoir — 328 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 96.1% (September 6, 2026) to a high of 105.0% (March 23, 2022). On average the reservoir is fullest around May and at its lowest around September.
It is operated by USACE primarily for multiple purposes. It lies within the Missouri basin at 38.923°N, 94.468°W.
Key facts
- Current fill level
- 98.9%
- Water stored
- 27 hm³
- Total capacity
- 27 hm³
- 7-day change
- ▲ 2.6 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 38.923°N, 94.468°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 98.9% | 27 |
| 10 Sep 2026 | 98.8% | 27 |
| 9 Sep 2026 | 98.0% | 27 |
| 8 Sep 2026 | 97.9% | 27 |
| 7 Sep 2026 | 97.9% | 27 |
| 6 Sep 2026 | 96.1% | 26 |
| 5 Sep 2026 | 96.2% | 26 |
| 4 Sep 2026 | 96.3% | 26 |
| 3 Sep 2026 | 96.4% | 26 |
| 2 Sep 2026 | 96.5% | 26 |
| 1 Sep 2026 | 96.6% | 26 |
| 31 Aug 2026 | 96.7% | 26 |