John Martin Reservoir water level today
Reservoir in Bent, Colorado · Arkansas
3,805.62ft
1,159.95 m · NGVD29
Measured · provisional
Normal for the dateSteady
What this means
John Martin Reservoir is 46.22 ft below its full pool of 3,851.84 ft.
It is lower than on Oct 21 in 5 of the last 10 years.
The lake has fallen 0.10 ft in 7 days and risen 4.56 ft in 30 days.
Since 1993, the lowest daily level was 1,669.32 ft (Jul 1993) and the highest 3,860.43 ft (May 1999).
John Martin Reservoir level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Full pool
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 3,800.35 ft | ▼ 5.27 ft |
| Oct 21, 2024 | 3,799.85 ft | ▼ 5.77 ft |
| Oct 21, 2023 | 3,802.40 ft | ▼ 3.22 ft |
| Oct 21, 2022 | 3,797.25 ft | ▼ 8.37 ft |
| Oct 21, 2021 | 3,799.73 ft | ▼ 5.89 ft |
| Oct 21, 2020 | 3,806.53 ft | ▲ 0.91 ft |
| Oct 21, 2019 | 3,817.19 ft | ▲ 11.57 ft |
| Oct 21, 2018 | 3,828.81 ft | ▲ 23.19 ft |
| Oct 21, 2017 | 3,842.76 ft | ▲ 37.14 ft |
| Oct 21, 2016 | 3,823.08 ft | ▲ 17.46 ft |
Records & details
- Highest
- 3,860.43 ft on May 9, 1999
- Lowest
- 1,669.32 ft on Jul 21, 1993
- Records from
- 1993 (34 years of daily data)
- Full pool
- 3,851.84 ft (top of conservation pool, U.S. Army Corps of Engineers)
- Storage
- 31,588 acre-ft
- Inflow
- 77.2 cfs (2.19 m³/s)
- Outflow
- 23.9 cfs (0.68 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon76°F · Mostly Sunny
Wind SE 5 to 10 mph
Wind SE 5 to 10 mph
Tonight54°F · Mostly Cloudy
Wind ESE 5 to 10 mph
Wind ESE 5 to 10 mph
Thursday84°F · Partly Sunny
Wind SSE 5 to 20 mph
Wind SSE 5 to 20 mph
Thursday Night60°F · Partly Cloudy
Wind S 20 mph
Wind S 20 mph
Friday82°F · Mostly Sunny
Wind S 20 to 30 mph
Wind S 20 to 30 mph
Friday Night57°F · Mostly Cloudy then Slight Chance Showers And Thunderstorms
Wind S 20 to 30 mph
Wind S 20 to 30 mph
NOAA National Weather Service forecast for this lake's location, updated 2 h ago.