Reservoir · Missouri · United States · USACE CWMS
Longview Dam & Reservoir
101.6% full
Capacity
27.26 hm³
Volume stored
28 hm³
Coordinates
38.923°N, 94.468°W
Last updated
2026-07-30
Current fill
101.6%vs 7 days ago
-0.1%losing
vs 1 year ago
-0.3%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. 38.923, -94.468 · Open in Google Maps
About Longview Dam & Reservoir
As of July 30, 2026, Longview Dam & Reservoir is filled to 101.6% of its total capacity, holding roughly 28 hm³ of water out of a maximum 27 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Longview Dam & Reservoir — 119 data points between April 1, 2026 and July 30, 2026 — the level has ranged from a low of 100.3% (July 8, 2026) to a high of 105.0% (April 10, 2026).
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
- 101.6%
- Water stored
- 28 hm³
- Total capacity
- 27 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 38.923°N, 94.468°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 101.6% | 28 |
| 29 Jul 2026 | 101.7% | 28 |
| 28 Jul 2026 | 101.8% | 28 |
| 27 Jul 2026 | 101.8% | 28 |
| 26 Jul 2026 | 101.9% | 28 |
| 25 Jul 2026 | 102.1% | 28 |
| 24 Jul 2026 | 102.0% | 28 |
| 23 Jul 2026 | 101.6% | 28 |
| 22 Jul 2026 | 101.7% | 28 |
| 21 Jul 2026 | 101.3% | 28 |
| 20 Jul 2026 | 101.4% | 28 |
| 19 Jul 2026 | 101.6% | 28 |
Frequently asked questions
What is the current water level of Longview Dam & Reservoir?
As of July 30, 2026, Longview Dam & Reservoir is at 101.6% of its capacity, holding approximately 28 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Longview Dam & Reservoir reservoir full?
Longview Dam & Reservoir is essentially full, sitting at 101.6% of capacity as of July 30, 2026.
Is the water level at Longview Dam & Reservoir rising or falling?
The level at Longview Dam & Reservoir has been broadly stable over the latest week on record (-0.1 points).
How much water can Longview Dam & Reservoir hold?
Longview Dam & Reservoir has a total capacity of 27 hm³.
Where is Longview Dam & Reservoir reservoir located?
Longview Dam & Reservoir is located in Missouri, United States, within the Missouri basin (coordinates 38.923°N, 94.468°W).
What is Longview Dam & Reservoir used for?
Longview Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.