Last reading · NGVD29
Lake Mead Water Level Today
The last reading for Lake Mead, the Colorado River reservoir behind Hoover Dam, was 1,037.53 ft (NGVD29) on Oct 15, 2026. That's 191.47 ft below its full pool of 1,229.00 ft. Lake Mead is 20.18 ft lower than on the same date last year.
−191.47 ft
Below full pool
1,037.53 ft
Oct 15, 2026 PDT
- 7-day change−0.08 ftOct 8, 2026
- 30-day change−1.13 ftSep 15, 2026
- Vs last year−20.18 ftOct 15, 2025
- ReadingOct 15, 20261,037.53 ft
Is Lake Mead Full?
No. Lake Mead is 191.47 ft below its full pool of 1,229.00 ft. On Oct 15, 2026, the elevation was 1,037.53 ft (NGVD29 datum). Over the 30 days ending Oct 15, 2026, Lake Mead has fallen 1.13 ft. The mean for this calendar day across 11 earlier years (2015–2025) is 1,071.11 ft, and the latest reading is 33.58 ft below it.
Lake Mead Level vs Last Year & Historical Average
Comparisons for Lake Mead use the same NGVD29 series as the chart. The series begins Oct 1, 2015 and has 4022 daily values. Lake Mead is 20.18 ft lower than on the same date last year. In that window, the lowest daily level was 1,037.53 ft on Oct 15, 2026, and the highest was 1,098.65 ft on Mar 30, 2020.
| Mark | Date | Elevation | Vs latest |
|---|---|---|---|
| Latest reading | Oct 15, 2026 | 1,037.53 ft | — |
| 7 days earlier | Oct 8, 2026 | 1,037.61 ft | −0.08 ft |
| 30 days earlier | Sep 15, 2026 | 1,038.66 ft | −1.13 ft |
| 1 year earlier | Oct 15, 2025 | 1,057.71 ft | −20.18 ft |
| Same-day mean (11 years) | — | 1,071.11 ft | −33.58 ft |
Lake Mead Water Level Chart
Daily elevation Full pool Latest
Full pool: 1,229.00 ft (above the chart's range).
| Start | End | Low | High | Days |
|---|---|---|---|---|
| Sep 16, 2026 | Oct 15, 2026 | 1,037.53 ft | 1,038.50 ft | 30 |
Full pool: 1,229.00 ft (above the chart's range).
| Start | End | Low | High | Days |
|---|---|---|---|---|
| Oct 15, 2025 | Oct 15, 2026 | 1,037.53 ft | 1,066.14 ft | 365 |
Full pool: 1,229.00 ft (above the chart's range).
| Start | End | Low | High | Days |
|---|---|---|---|---|
| Oct 17, 2016 | Oct 15, 2026 | 1,037.53 ft | 1,098.65 ft | 3641 |
Monthly High, Low, and Average
Each row is the high, low, and average of the daily Lake Mead elevations in that month (Oct 2025 through Oct 2026). The lowest monthly average in this table is Oct 2026 at 1,037.72 ft (15 days). The highest monthly average is Feb 2026 at 1,065.84 ft.
| Month | High | Low | Average |
|---|---|---|---|
| Oct 2025 | 1,058.06 | 1,057.43 | 1,057.73 |
| Nov 2025 | 1,059.03 | 1,057.14 | 1,057.61 |
| Dec 2025 | 1,062.28 | 1,059.14 | 1,061.02 |
| Jan 2026 | 1,065.48 | 1,062.35 | 1,064.04 |
| Feb 2026 | 1,066.14 | 1,065.55 | 1,065.84 |
| Mar 2026 | 1,066.14 | 1,062.05 | 1,064.52 |
| Apr 2026 | 1,061.77 | 1,056.32 | 1,059.20 |
| May 2026 | 1,056.02 | 1,050.00 | 1,052.98 |
| Jun 2026 | 1,049.73 | 1,044.58 | 1,046.95 |
| Jul 2026 | 1,044.49 | 1,041.09 | 1,042.36 |
| Aug 2026 | 1,041.06 | 1,038.83 | 1,039.77 |
| Sep 2026 | 1,038.94 | 1,037.79 | 1,038.45 |
| Oct 2026 | 1,037.93 | 1,037.53 | 1,037.72 |
About This Data
| Agency | U.S. Bureau of Reclamation |
|---|---|
| Station | Lake Mead Hoover Dam and Powerplant (6123) |
| Parameter | RISE item 6123, lake/reservoir elevation, daily instant, feet |
| Datum | NGVD29 |
| Formula | U.S. Bureau of Reclamation project datum, consistent with NGVD29. |
| Full pool | Full pool: 1,229.00 ft |
| Full-pool source | https://www.usbr.gov/lc/region/pao/faq.html |
| Latest reading | Oct 15, 2026 PDT (2026-10-15 07:00 UTC) |
| Series file | data/raw/lake-mead/rise-6123-20261017T132852Z.csv, data/raw/lake-mead/full-pool-20261017T132852Z.html |
| Note | Provisional data, subject to revision. |
How We Calculate These Numbers
Daily history for Lake Mead uses the Bureau of Reclamation's daily elevation values from RISE. For Lake Mead, full pool is 1,229.00 ft. The difference on Oct 15, 2026 is −191.47 ft (1,037.53 minus 1,229.00). The same-day mean at Lake Mead uses 11 readings on this calendar day from 2015 through 2025 and equals 1,071.11 ft. All of these figures come from station 6123. Percent full is shown only when an agency published it; it is never estimated by dividing elevation by a pool elevation.
FAQ
Is Lake Mead full?
No. On Oct 15, 2026, Lake Mead was 1,037.53 ft, 191.47 ft below its full pool of 1,229.00 ft.
What is full pool at Lake Mead?
Full pool at Lake Mead is 1,229.00 ft (NGVD29). On Oct 15, 2026, the lake was 191.47 ft below it. The source is linked under About This Data.
Is Lake Mead higher than last year?
No, Lake Mead is lower than last year. On Oct 15, 2025 it was 1,057.71 ft; on Oct 15, 2026 it is 1,037.53 ft (−20.18 ft).
Where does the Lake Mead data come from?
U.S. Bureau of Reclamation station 6123, RISE item 6123, lake/reservoir elevation, daily instant, feet. The datum is NGVD29. Provisional data are subject to revision.
Nearby Lakes
| Lake | Level | Reading | Distance |
|---|---|---|---|
| Lake Powell | 3,520.02 ft | Oct 16, 2026 | 204 mi |
| Folsom Lake | 402.89 ft | Oct 16, 2026 | 399 mi |
| Elephant Butte Reservoir | 4,296.00 ft | Oct 16, 2026 | 471 mi |
| Shasta Lake | 977.24 ft | Oct 16, 2026 | 528 mi |