Reservoir · Texas · United States · USGS NWIS
Lake Conroe
98.5% full
Capacity
513.41 hm³
Volume stored
506 hm³
Coordinates
30.359°N, 95.561°W
Last updated
2026-08-12
Current fill
98.5%vs 7 days ago
-0.7%losing
vs 1 year ago
-0.7%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — 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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 30.359, -95.561 · Open in Google Maps
About Lake Conroe
As of August 12, 2026, Lake Conroe is filled to 98.5% of its total capacity, holding roughly 506 hm³ of water out of a maximum 513 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.7 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Lake Conroe — 1460 data points between August 14, 2022 and August 12, 2026 — the level has ranged from a low of 89.1% (November 18, 2022) to a high of 105.0% (April 7, 2023). On average the reservoir is fullest around May and at its lowest around October.
It is operated by USGS primarily for multiple purposes. It lies within the Texas basin at 30.359°N, 95.561°W.
Key facts
- Current fill level
- 98.5%
- Water stored
- 506 hm³
- Total capacity
- 513 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 0.7 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 30.359°N, 95.561°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 98.5% | 505 |
| 11 Aug 2026 | 98.5% | 506 |
| 10 Aug 2026 | 98.6% | 506 |
| 9 Aug 2026 | 98.7% | 507 |
| 8 Aug 2026 | 98.8% | 507 |
| 7 Aug 2026 | 98.9% | 508 |
| 6 Aug 2026 | 99.1% | 509 |
| 5 Aug 2026 | 99.2% | 509 |
| 4 Aug 2026 | 99.3% | 510 |
| 3 Aug 2026 | 99.5% | 511 |
| 2 Aug 2026 | 99.6% | 511 |
| 1 Aug 2026 | 99.7% | 512 |
Frequently asked questions
What is the current water level of Lake Conroe?
As of August 12, 2026, Lake Conroe is at 98.5% of its capacity, holding approximately 506 hm³ of water, according to USGS NWIS data.
Is Lake Conroe reservoir full?
Lake Conroe is essentially full, sitting at 98.5% of capacity as of August 12, 2026.
Is the water level at Lake Conroe rising or falling?
The level at Lake Conroe has been broadly stable over the latest week on record (-0.7 points).
How much water can Lake Conroe hold?
Lake Conroe has a total capacity of 513 hm³.
Where is Lake Conroe reservoir located?
Lake Conroe is located in Texas, United States, within the Texas basin (coordinates 30.359°N, 95.561°W).
What is Lake Conroe used for?
Lake Conroe is used primarily for multiple purposes, and is managed by USGS.