Reservoir · Texas · United States · USGS NWIS
Lk Corpus Christi nr Mathis, TX
32.6% full
Capacity
317.33 hm³
Volume stored
103 hm³
Coordinates
28.038°N, 97.871°W
Last updated
2026-07-29
Current fill
32.6%vs 7 days ago
+0.5%gaining
vs 1 year ago
+4.5%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: 2026-07-29.
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 Lk Corpus Christi nr Mathis, TX
As of July 29, 2026, Lk Corpus Christi nr Mathis, TX is filled to 32.6% of its total capacity, holding roughly 103 hm³ of water out of a maximum 317 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.5 pts), and it is 4.5 points above its level on the same date a year earlier.
Across the readings we hold for Lk Corpus Christi nr Mathis, TX — 1461 data points between July 30, 2022 and July 29, 2026 — the level has ranged from a low of 8.5% (April 17, 2026) to a high of 89.9% (September 20, 2022). On average the reservoir is fullest around September 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
- 32.6%
- Water stored
- 103 hm³
- Total capacity
- 317 hm³
- 7-day change
- ▲ 0.5 pts
- Year-on-year
- ▲ 4.5 pts
- Primary use
- Multipurpose
- River basin
- Texas
- Operator
- USGS
- Coordinates
- 28.038°N, 97.871°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 32.6% | 103 |
| 28 Jul 2026 | 32.1% | 102 |
| 27 Jul 2026 | 31.9% | 101 |
| 26 Jul 2026 | 32.1% | 102 |
| 25 Jul 2026 | 32.2% | 102 |
| 24 Jul 2026 | 32.3% | 103 |
| 23 Jul 2026 | 32.6% | 103 |
| 22 Jul 2026 | 32.7% | 104 |
| 21 Jul 2026 | 32.8% | 104 |
| 20 Jul 2026 | 32.9% | 105 |
| 19 Jul 2026 | 33.1% | 105 |
| 18 Jul 2026 | 33.3% | 106 |
Frequently asked questions
What is the current water level of Lk Corpus Christi nr Mathis, TX?
As of July 29, 2026, Lk Corpus Christi nr Mathis, TX is at 32.6% of its capacity, holding approximately 103 hm³ of water, according to USGS NWIS data.
Is Lk Corpus Christi nr Mathis, TX reservoir full?
No. As of July 29, 2026, Lk Corpus Christi nr Mathis, TX is low at 32.6% of its capacity, so it is not full.
Is the water level at Lk Corpus Christi nr Mathis, TX rising or falling?
The level at Lk Corpus Christi nr Mathis, TX has been broadly stable over the latest week on record (+0.5 points).
How much water can Lk Corpus Christi nr Mathis, TX hold?
Lk Corpus Christi nr Mathis, TX has a total capacity of 317 hm³.
Where is Lk Corpus Christi nr Mathis, TX reservoir located?
Lk Corpus Christi nr Mathis, TX is located in Texas, United States, within the Texas basin (coordinates 28.038°N, 97.871°W).
What is Lk Corpus Christi nr Mathis, TX used for?
Lk Corpus Christi nr Mathis, TX is used primarily for multiple purposes, and is managed by USGS.

