Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.

Major reservoirs — data pending

⏳

Diversion Lk nr Riomedina, TX — data sourcing in progress

Storage is monitored by the US Geological Survey (USGS NWIS), but the live feed is currently stale — we are working to restore it. Known capacities: Diversion Lk nr Riomedina, TX (0.0 km³).

Diversion Lk nr Riomedina, TX

Sourcing

Capacity: 5 hm³⏳ Pending

About reservoirs in Texas

As of July 30, 2026, the reservoirs we track across Texas that report live levels hold roughly 12,296 hm³ of water — about 66.1% of their combined capacity. Taken together, Texas's reservoirs are within their normal operating range.

Across the region, 5 reservoirs are at critically low levels and 8 are low. Lk Conroe nr Conroe, TX is the fullest at 100.0%, while Addicks Res nr Addicks, TX is the lowest at 0.0%.

Storage figures for Texas come from USGS · USACE · BOR · CDEC; the most recent reading is from July 30, 2026. Each reservoir below links to its own page with full history and seasonal context.

Texas at a glance

Reservoirs tracked: 29
Average fill: 66.1%
Water stored: 12,296 hm³
Combined capacity: 18,614 hm³
At critically low levels: 5
Fullest: Lk Conroe nr Conroe, TX (100.0%)
Lowest: Addicks Res nr Addicks, TX (0.0%)
Last updated: July 30, 2026

Frequently asked questions

How full are reservoirs in Texas right now?

As of July 30, 2026, the reservoirs tracked in Texas that report live levels are 66.1% full overall, holding about 12,296 hm³ of water.

How many reservoirs are there in Texas?

reservoirs.earth tracks 29 reservoirs in Texas, with a combined storage capacity of 18,614 hm³.

Which reservoir in Texas is the fullest?

Lk Conroe nr Conroe, TX is currently the fullest reservoir in Texas, at 100.0% of capacity.

Which reservoir in Texas is the lowest?

Addicks Res nr Addicks, TX is currently the lowest in Texas, at 0.0% of capacity.

Where does the reservoir data for Texas come from?

All storage figures for Texas come from USGS · USACE · BOR · CDEC, an official source, last updated July 30, 2026.

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