Lake Sumner water level
Lake, New Mexico, United States
Right now
Normal for mid-October
Surface elevation
- Water stored
- 8,828 acre‑ft
History
202120222023202420252026
What this means
The lake level at Lake Sumner reads 4,244.19 ft, about where it usually sits at this time of year.
That puts it 4.99 ft below the median of 4,249.18 ft for mid-October, based on 34 years of readings. A year ago it stood at 4,248.47 ft (−4.28 ft).
It is on the way up, by 0.53 ft over the past week. The 30-day range is 4,233.14 ft – 4,244.39 ft.
Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.
Compared with 34 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 4,249.18 ft4.99 ft below the median for this date
- Normal for this date
- 4,235.53 ft – 4,259.92 ft8 years in 10 fall in this range (34 years of records)
- Same day last year
- 4,248.47 ft−4.28 ft
- Lowest and highest in 30 days
- 4,233.14 ft – 4,244.39 ft
- Lowest and highest in 12 months
- 4,233.14 ft – 4,255.78 ft
Boating and fishing at Lake Sumner
A lake in its usual range is what most ramps, docks and swimming areas are built for.
Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Pecos River below Sumner DamRiver gauge, Pecos River | 99.7 cfs | Normal | +0.9 cfs | 1.7 mi |
| Pecos River near Puerto De LunaRiver gauge, Pecos River | 1.10 ft | Below flood stage | −0.02 ft | 10 mi |
| Fort Sumner Main Canal near Fort SumnerCanal gauge, Fort Sumner Main Canal | 89.8 cfs | High | +8.0 cfs | 11 mi |
| Sand Gate Diversion From Fort Sumner Canal at Fort SumnerCanal gauge, Sand Gate Diversion From Fort Sumner Canal | 0.0 cfs | Low | ±0 | 13 mi |
| Pecos River below Taiban Creek near Fort SumnerRiver gauge, Pecos River | 26.4 cfs | Very low | −3.4 cfs | 24 mi |
| Pecos River below Santa Rosa DamRiver gauge, Pecos River | 0.0 cfs | Low | ±0 | 32 mi |
| Pecos River above Santa Rosa LakeRiver gauge, Pecos River | 30.8 cfs | Normal | −9.5 cfs | 36 mi |
| Pecos River near DunlapRiver gauge, Pecos River | 31.6 cfs | Very low | +2.5 cfs | 39 mi |
Questions and answers
How does Lake Sumner compare with last year?
It is 4.28 ft lower than on the same day last year, when the reading was 4,248.47 ft.
What is a normal level for Lake Sumner in mid-October?
The median for mid-October is 4,249.18 ft. In 8 years out of 10 the reading falls between 4,235.53 ft and 4,259.92 ft, based on 34 years of records.
Is Lake Sumner really 4,244.19 ft deep?
No. 4,244.19 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of Lake Sumner today?
On Oct 16, 2026, the surface elevation was 4,244.19 ft. Up 0.53 ft over the last 7 days.
Is Lake Sumner rising or falling?
Up 0.53 ft over the last 7 days.
Is the level of Lake Sumner normal?
Normal for mid-October. Compared with 34 years of daily readings for this time of year.
How often is this data updated?
The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Bureau of Reclamation
- Station code
usbr:489(Agency page)- Coordinates
34.62884, -104.39240(WGS84)- Update interval
- once a day
- Licence
- Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Surface elevation | 4,244.19 ft | 2026-10-16 07:00 | Provisional |
| Water stored | 8,828 acre‑ft | 2026-10-16 07:00 | Provisional |
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How to cite
U.S. Bureau of Reclamation: Lake Sumner (usbr:489). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-mexico/lake-sumner
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer