Reservoir · Missouri · United States · USACE CWMS
Long Branch Dam & Reservoir
100.0% full
Capacity
64.15 hm³
Volume stored
64 hm³
Coordinates
39.752°N, 92.515°W
Last updated
2026-06-11
Current fill
100.0%vs 7 days ago
+29.5%gaining
vs 1 year ago
+19.6%year-over-year
7-day trend
↑rising
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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.752, -92.515 · Open in Google Maps
About Long Branch Dam & Reservoir
As of June 11, 2026, Long Branch Dam & Reservoir is filled to 100.0% of its total capacity, holding roughly 64 hm³ of water out of a maximum 64 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 29.5 percentage points, and it is 19.6 points above its level on the same date a year earlier.
Across the readings we hold for Long Branch Dam & Reservoir — 274 data points between June 15, 2023 and June 11, 2026 — the level has ranged from a low of 55.0% (December 19, 2023) to a high of 100.0% (June 11, 2026). On average the reservoir is fullest around April and at its lowest around December.
It is operated by USACE primarily for multiple purposes. It lies within the Missouri basin at 39.752°N, 92.515°W.
Key facts
- Current fill level
- 100.0%
- Water stored
- 64 hm³
- Total capacity
- 64 hm³
- 7-day change
- ▲ 29.5 pts
- Year-on-year
- ▲ 19.6 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 39.752°N, 92.515°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 100.0% | 64 |
| 10 Jun 2026 | 70.5% | 45 |
| 9 Jun 2026 | 68.5% | 44 |
| 8 Jun 2026 | 68.6% | 44 |
| 7 Jun 2026 | 68.5% | 44 |
| 6 Jun 2026 | 68.5% | 44 |
| 5 Jun 2026 | 68.5% | 44 |
| 4 Jun 2026 | 68.3% | 44 |
| 3 Jun 2026 | 68.5% | 44 |
| 2 Jun 2026 | 68.7% | 44 |
| 1 Jun 2026 | 69.0% | 44 |
| 31 May 2026 | 69.1% | 44 |
Frequently asked questions
What is the current water level of Long Branch Dam & Reservoir?
As of June 11, 2026, Long Branch Dam & Reservoir is at 100.0% of its capacity, holding approximately 64 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Long Branch Dam & Reservoir reservoir full?
Long Branch Dam & Reservoir is essentially full, sitting at 100.0% of capacity as of June 11, 2026.
Is the water level at Long Branch Dam & Reservoir rising or falling?
The level at Long Branch Dam & Reservoir is rising — it gained 29.5 percentage points over the latest week on record.
How much water can Long Branch Dam & Reservoir hold?
Long Branch Dam & Reservoir has a total capacity of 64 hm³.
Where is Long Branch Dam & Reservoir reservoir located?
Long Branch Dam & Reservoir is located in Missouri, United States, within the Missouri basin (coordinates 39.752°N, 92.515°W).
What is Long Branch Dam & Reservoir used for?
Long Branch Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.