Reservoir · Kansas · United States · USACE CWMS
Melvern Dam & Reservoir
98.2% full
Capacity
189.96 hm³
Volume stored
187 hm³
Coordinates
38.511°N, 95.708°W
Last updated
2026-07-30
Current fill
98.2%vs 7 days ago
0.0%stable
vs 1 year ago
-6.8%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. 38.511, -95.708 · Open in Google Maps
About Melvern Dam & Reservoir
As of July 30, 2026, Melvern Dam & Reservoir is filled to 98.2% of its total capacity, holding roughly 187 hm³ of water out of a maximum 190 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 6.8 points below its level on the same date a year earlier.
Across the readings we hold for Melvern Dam & Reservoir — 328 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 88.3% (February 13, 2022) to a high of 105.0% (September 4, 2021). On average the reservoir is fullest around October and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 38.511°N, 95.708°W.
Key facts
- Current fill level
- 98.2%
- Water stored
- 187 hm³
- Total capacity
- 190 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 6.8 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 38.511°N, 95.708°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 98.2% | 187 |
| 29 Jul 2026 | 98.2% | 186 |
| 28 Jul 2026 | 98.2% | 187 |
| 27 Jul 2026 | 98.2% | 187 |
| 26 Jul 2026 | 98.1% | 186 |
| 25 Jul 2026 | 97.9% | 186 |
| 24 Jul 2026 | 97.8% | 186 |
| 23 Jul 2026 | 97.6% | 185 |
| 22 Jul 2026 | 97.4% | 185 |
| 21 Jul 2026 | 97.7% | 186 |
| 20 Jul 2026 | 97.8% | 186 |
| 19 Jul 2026 | 97.9% | 186 |
Frequently asked questions
What is the current water level of Melvern Dam & Reservoir?
As of July 30, 2026, Melvern Dam & Reservoir is at 98.2% of its capacity, holding approximately 187 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Melvern Dam & Reservoir reservoir full?
Melvern Dam & Reservoir is essentially full, sitting at 98.2% of capacity as of July 30, 2026.
Is the water level at Melvern Dam & Reservoir rising or falling?
The level at Melvern Dam & Reservoir has been broadly stable over the latest week on record (0.0 points).
How much water can Melvern Dam & Reservoir hold?
Melvern Dam & Reservoir has a total capacity of 190 hm³.
Where is Melvern Dam & Reservoir reservoir located?
Melvern Dam & Reservoir is located in Kansas, United States, within the Kansas basin (coordinates 38.511°N, 95.708°W).
What is Melvern Dam & Reservoir used for?
Melvern Dam & Reservoir is used primarily for multiple purposes, and is managed by USACE.