Reservoir · Texas · United States · USGS NWIS
Lake Corpus Christi
81.5% full
Capacity
317.33 hm³
Volume stored
259 hm³
Coordinates
28.038°N, 97.871°W
Last updated
2026-10-01
Current fill
81.5%vs 7 days ago
-1.9%losing
vs 1 year ago
+66.4%year-over-year
7-day trend
↓falling
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: 2026-10-01.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 28.038, -97.871 · Open in Google Maps
About Lake Corpus Christi
As of October 1, 2026, Lake Corpus Christi is filled to 81.5% of its total capacity, holding roughly 259 hm³ of water out of a maximum 317 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 1.9 percentage points, and it is 66.4 points above its level on the same date a year earlier.
Across the readings we hold for Lake Corpus Christi — 1462 data points between October 1, 2022 and October 1, 2026 — the level has ranged from a low of 8.5% (April 17, 2026) to a high of 91.8% (August 12, 2026). On average the reservoir is fullest around August and at its lowest around April.
It is operated by USGS primarily for multiple purposes. It lies within the Texas basin at 28.038°N, 97.871°W.
Key facts
- Current fill level
- 81.5%
- Water stored
- 259 hm³
- Total capacity
- 317 hm³
- 7-day change
- ▼ 1.9 pts
- Year-on-year
- ▲ 66.4 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 28.038°N, 97.871°W
- Last updated
- October 1, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 1 Oct 2026 | 81.5% | 259 |
| 30 Sep 2026 | 81.9% | 260 |
| 29 Sep 2026 | 82.1% | 261 |
| 28 Sep 2026 | 82.4% | 261 |
| 27 Sep 2026 | 82.6% | 262 |
| 26 Sep 2026 | 82.8% | 263 |
| 25 Sep 2026 | 83.1% | 264 |
| 24 Sep 2026 | 83.4% | 265 |
| 23 Sep 2026 | 83.7% | 265 |
| 22 Sep 2026 | 84.1% | 267 |
| 21 Sep 2026 | 84.5% | 268 |
| 20 Sep 2026 | 84.8% | 269 |