LakeLevelIs John Martin Reservoir low right now?
John Martin Reservoir was at 3,745.07 ft on October 10, 2026, 106.77 ft below its full pool of 3,851.8 ft. That is 61.62 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been rising about 0.09 ft a day.
John Martin Reservoir on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 3,745.07 | ±0.00 | −106.8 |
| Oct 9 | 3,745.07 | +0.35 | −106.8 |
| Oct 8 | 3,744.72 | +0.31 | −107.1 |
| Oct 7 | 3,744.41 | −0.01 | −107.4 |
| Oct 6 | 3,744.42 | ±0.00 | −107.4 |
| Oct 4 | 3,744.42 | ±0.00 | −107.4 |
| Oct 3 | 3,744.42 | +0.01 | −107.4 |
| Oct 2 | 3,744.41 | −0.15 | −107.4 |
| Oct 1 | 3,744.56 | −0.64 | −107.3 |
| Sep 30 | 3,745.20 | −0.69 | −106.6 |
| Sep 29 | 3,745.89 | +0.24 | −106.0 |
| Sep 28 | 3,745.65 | +0.31 | −106.2 |
| Sep 27 | 3,745.34 | −0.01 | −106.5 |
| Sep 26 | 3,745.35 | +0.01 | −106.5 |
About John Martin Reservoir
- Full pool
- 3,851.8 ft (Top of Conservation)
- 10-year range
- 3,797.2 ft (October 17, 2022) to 3,849.7 ft (March 18, 2018)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — SPA district, John Martin-John Martin DS
- Datum
- NGVD29
Lakes near John Martin Reservoir
- John Martin LakeColorado · 0 mi 3,805.7 ft +1.8 wkNormal for this time of year
- Pueblo ReservoirColorado · 98 mi 4,858.2 ft −0.1 wkLower than usual for this time of year
- Lake MaloyaNew Mexico · 109 mi 7,509.2 ft −0.1 wkNormal for this time of year
- Trinidad LakeColorado · 109 mi 6,173.1 ft +0.7 wkLower than usual for this time of year
- Bonny LakeColorado · 115 mi 3,638.0 ft ±0.0 wkNormal for this time of year
- KETTLE CR DRY LakeColorado · 119 mi 6,545.7 ft ±0.0 wkLatest reading
Questions
Is John Martin Reservoir low right now?
John Martin Reservoir was at 3,745.07 ft on October 10, 2026, 106.77 ft below its full pool of 3,851.8 ft. That is 61.62 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been rising about 0.09 ft a day.
What is full pool for John Martin Reservoir?
Full pool (Top of Conservation) is 3,851.8 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the John Martin Reservoir level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (SPA district, John Martin-John Martin DS). Readings are provisional and can be revised.