Reservoir · Texas · United States · USGS NWIS
Lake Houston
92.8% full
Capacity
180.95 hm³
Volume stored
168 hm³
Coordinates
29.916°N, 95.141°W
Last updated
2026-08-13
Current fill
92.8%vs 7 days ago
+0.8%gaining
vs 1 year ago
-0.5%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: 2026-08-13.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 29.916, -95.141 · Open in Google Maps
About Lake Houston
As of August 13, 2026, Lake Houston is filled to 92.8% of its total capacity, holding roughly 168 hm³ of water out of a maximum 181 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.8 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Lake Houston — 1461 data points between August 14, 2022 and August 13, 2026 — the level has ranged from a low of 81.7% (March 13, 2025) to a high of 105.0% (January 30, 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 29.916°N, 95.141°W.
Key facts
- Current fill level
- 92.8%
- Water stored
- 168 hm³
- Total capacity
- 181 hm³
- 7-day change
- ▲ 0.8 pts
- Year-on-year
- ▼ 0.5 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 29.916°N, 95.141°W
- Last updated
- August 13, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 13 Aug 2026 | 92.8% | 168 |
| 12 Aug 2026 | 92.8% | 168 |
| 11 Aug 2026 | 92.8% | 168 |
| 10 Aug 2026 | 92.5% | 167 |
| 9 Aug 2026 | 92.5% | 167 |
| 8 Aug 2026 | 92.4% | 167 |
| 7 Aug 2026 | 92.2% | 167 |
| 6 Aug 2026 | 92.0% | 166 |
| 5 Aug 2026 | 91.5% | 166 |
| 4 Aug 2026 | 90.8% | 164 |
| 3 Aug 2026 | 90.9% | 164 |
| 2 Aug 2026 | 91.1% | 165 |
Frequently asked questions
What is the current water level of Lake Houston?
As of August 13, 2026, Lake Houston is at 92.8% of its capacity, holding approximately 168 hm³ of water, according to USGS NWIS data.
Is Lake Houston reservoir full?
No. As of August 13, 2026, Lake Houston is high at 92.8% of its capacity, so it is not full.
Is the water level at Lake Houston rising or falling?
The level at Lake Houston has been broadly stable over the latest week on record (+0.8 points).
How much water can Lake Houston hold?
Lake Houston has a total capacity of 181 hm³.
Where is Lake Houston reservoir located?
Lake Houston is located in Texas, United States, within the Texas basin (coordinates 29.916°N, 95.141°W).
What is Lake Houston used for?
Lake Houston is used primarily for multiple purposes, and is managed by USGS.