Reservoir · Kansas · United States · USACE CWMS
Toronto Lake
48.6% full
Capacity
97.28 hm³
Volume stored
47 hm³
Coordinates
37.742°N, 95.933°W
Last updated
2026-06-11
Current fill
48.6%vs 7 days ago
+3.0%gaining
vs 1 year ago
+24.8%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. 37.742, -95.933 · Open in Google Maps
About Toronto Lake
As of June 11, 2026, Toronto Lake is filled to 48.6% of its total capacity, holding roughly 47 hm³ of water out of a maximum 97 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 3.0 percentage points, and it is 24.8 points above its level on the same date a year earlier.
Across the readings we hold for Toronto Lake — 329 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 20.1% (May 14, 2026) to a high of 100.0% (September 6, 2021). On average the reservoir is fullest around July and at its lowest around December.
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 37.742°N, 95.933°W.
Key facts
- Current fill level
- 48.6%
- Water stored
- 47 hm³
- Total capacity
- 97 hm³
- 7-day change
- ▲ 3.0 pts
- Year-on-year
- ▲ 24.8 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 37.742°N, 95.933°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 48.6% | 47 |
| 10 Jun 2026 | 45.6% | 44 |
| 9 Jun 2026 | 30.7% | 30 |
| 8 Jun 2026 | 24.2% | 24 |
| 7 Jun 2026 | 23.6% | 23 |
| 6 Jun 2026 | 23.7% | 23 |
| 5 Jun 2026 | 23.8% | 23 |
| 4 Jun 2026 | 24.7% | 24 |
| 3 Jun 2026 | 29.6% | 29 |
| 2 Jun 2026 | 34.6% | 34 |
| 1 Jun 2026 | 35.8% | 35 |
| 31 May 2026 | 25.1% | 24 |
Frequently asked questions
What is the current water level of Toronto Lake?
As of June 11, 2026, Toronto Lake is at 48.6% of its capacity, holding approximately 47 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Toronto Lake reservoir full?
No. As of June 11, 2026, Toronto Lake is within its normal operating range at 48.6% of its capacity, so it is not full.
Is the water level at Toronto Lake rising or falling?
The level at Toronto Lake is rising — it gained 3.0 percentage points over the latest week on record.
How much water can Toronto Lake hold?
Toronto Lake has a total capacity of 97 hm³.
Where is Toronto Lake reservoir located?
Toronto Lake is located in Kansas, United States, within the Kansas basin (coordinates 37.742°N, 95.933°W).
What is Toronto Lake used for?
Toronto Lake is used primarily for multiple purposes, and is managed by USACE.

