Rio Grande Reservoir water level today
Storage at Rio Grande Reservoir in the Rio Grande basin (Division 3), from Colorado DWR's daily reading.
About Rio Grande Reservoir
Rio Grande Reservoir is one of the 5 reservoirs BasinMind follows in the Rio Grande basin, Division 3 of Colorado's seven water divisions. BasinMind's registry lists its operator as San Luis Valley Irrigation District. Its recorded capacity is 52,192 acre-feet, the third-largest of the 5 and 20% of the capacity BasinMind tracks in the division.
On October 3, 2026 it held 18,105 acre-feet, 35% of that capacity, with room for about 34,087 acre-feet more. Over the seven days before, storage fell by 521 acre-feet. Taken together, the division's reservoirs with a current reading stood at 24% of capacity (61,693 of 256,813 acre-feet).
Daily storage comes from the Colorado Division of Water Resources, DWR station RIORESCO; the official record is on that station's page. The nearest stream gauge BasinMind reads is Rio Grande near Del Norte, about 44 miles away in a straight line.
An acre-foot is the water that would cover one acre a foot deep, about 325,851 gallons; percent full compares storage with recorded capacity, not with what is normal for the date (cfs and acre-feet).
Other reservoirs in the Rio Grande basin
- Platoro Reservoir · 37% full
- Sanchez Reservoir · 2% full
- Continental Reservoir · 60% full
- Terrace Reservoir · 19% full
Stream gauges in the Rio Grande basin
- Rio Grande near Del Norte
- Rio Grande at Alamosa
- Conejos River near Mogote
- Alamosa River below Terrace Reservoir
- Rio Grande near Lobatos