Afterbay Reservoir Water Level
North Carolina · updated daily from the U.S. Geological Survey
366.77 ft
Afterbay Reservoir is low for this time of year and falling (-0.31 ft in the last 7 days).
Change since yesterday: -0.05 ft
Reading as of 2026-08-14 · higher than 13% of August readings on record
Where Afterbay Reservoir sits historically
Today's level compared with every reading in our 30.6-year record for this lake.
Since yesterday
-0.05 ft
7-day change
-0.31 ft
30-day change
-1.15 ft
1-year change
-1.92 ft
Last 30 days
Last 12 months
Full history (30.6 years)
Afterbay Reservoir records and averages
| Current level | 366.77 ft |
|---|---|
| Record high | 391.84 ft (2025-07-07) |
| Record low | 256.69 ft (1997-10-04) |
| Average of all readings | 366.17 ft |
| Data span | 30.6 years (10,953 readings) |
Frequently asked questions
Is Afterbay Reservoir full right now?
As of 2026-08-14, Afterbay Reservoir sits at 366.77 ft, which is low for this time of year.Over the past 30 days the level has fallen 1.15 ft.
What is the water level at Afterbay Reservoir today?
The most recent reading is 366.77 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Afterbay Reservoir has ever been?
The highest level in our records is 391.84 ft on 2025-07-07. The lowest is 256.69 ft on 1997-10-04. Our record covers about 30.6 years of readings.
Is Afterbay Reservoir low for this time of year?
Compared with every August in our records, the current level is higher than 13% of them — low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Afterbay Reservoir low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Afterbay Reservoir has fallen 1.15 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Afterbay Reservoir changed over the past year?
The level is -1.92 ft compared with this date last year (366.77 ft today). The full-history chart above covers 30.6 years, with a record high of 391.84 ft and a record low of 256.69 ft.
Nearby lakes in North Carolina
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All North Carolina lake levels.