Afterbay Reservoir at Dam near McGehees Mill water level

Name: Afterbay Reservoir at Dam near McGehees Mill water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Afterbay Reservoir, North Carolina, United States

Directions

Very low for late October

Surface elevation

364.14ft Down 0.04 ft over the last 24 hours

Measured Oct 21, 2026, 05:45 AM EDT (39 min ago)

History

What this means

At 364.14 ft, Afterbay Reservoir at Dam near McGehees Mill is far below normal for late October.

That puts it 6.35 ft below the median of 370.49 ft for late October, based on 7 years of readings. A year ago it stood at 369.12 ft (−4.98 ft).

The level is falling, down 0.04 ft over the past 24 hours. With the water still dropping, the shoreline keeps moving out. Over the past 30 days it has moved between 364.14 ft and 365.06 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 370.49 ft6.35 ft below the median for this date
Normal for this date: 366.12 ft – 378.71 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 369.12 ft−4.98 ft
Lowest and highest in 30 days: 364.14 ft – 365.06 ft
Lowest and highest in 12 months: 364.17 ft – 373.95 ft

Swimming and boating at Afterbay Reservoir at Dam near McGehees Mill

Low water changes a lake fast for boaters. Some ramps get shorter or close, docks may be moved, and rocks and sandbars that are usually well under the surface come within reach of a prop.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

21 Wed 70° 40° – Wind 9 mph

22 Thu 71° 40° – Wind 7 mph

23 Fri 67° 46° – Wind 10 mph

24 Sat 66° 42° – Wind 7 mph

25 Sun 68° 43° – Wind 8 mph

26 Mon 70° 44° – Wind 4 mph

27 Tue 73° 48° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:33 PM Daylight 11 hr, 4 min Waxing gibbous 76%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Hyco River below Abay D near McGehees MillRiver gauge, Hyco River	3.90 ft	High	±0	0.0 mi
Hyco Lake at Dam near RoxboroReservoir, Hyco Lake	407.70 ft	Very low	−0.01 ft	2.9 mi
Mayo Creek near Bethel HillRiver gauge, Mayo Creek	1.98 ft	Low	±0	7 mi
Dan River at PacesRiver gauge, Dan River	2.41 ft	Below flood stage	+0.02 ft	10 mi
Dan River at South BostonRiver gauge, Dan River	5.49 ft	Very low	−0.22 ft	13 mi
Hyco Creek near LeasburgRiver gauge, Hyco Creek	22.78 ft	Very low	±0	14 mi
Banister River at HalifaxRiver gauge, Banister River	57.9 cfs	Very low	−5.0 cfs	18 mi
Dan River at Stp near DanvilleRiver gauge, Dan River	4.28 ft	Below flood stage	−0.06 ft	21 mi

Questions and answers

How does Afterbay Reservoir at Dam near McGehees Mill compare with last year?

It is 4.98 ft lower than on the same day last year, when the reading was 369.12 ft.

What is a normal level for Afterbay Reservoir at Dam near McGehees Mill in late October?

The median for late October is 370.49 ft. In 8 years out of 10 the reading falls between 366.12 ft and 378.71 ft, based on 7 years of records.

Is Afterbay Reservoir at Dam near McGehees Mill really 364.14 ft deep?

No. 364.14 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 Afterbay Reservoir at Dam near McGehees Mill today?

On Oct 21, 2026, 05:45 AM EDT, the surface elevation was 364.14 ft. Down 0.04 ft over the last 24 hours.

Is Afterbay Reservoir at Dam near McGehees Mill rising or falling?

Down 0.04 ft over the last 24 hours. Down 0.19 ft over the last 7 days.

Is the level of Afterbay Reservoir at Dam near McGehees Mill normal?

Very low for late October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:0207730290 (Agency page)
Coordinates: 36.52217, -78.99717 (WGS84)
Vertical datum: local
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	364.14 ft	2026-10-21 09:45	Provisional

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How to cite

U.S. Geological Survey: Afterbay Reservoir at Dam near McGehees Mill (usgs:0207730290). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/north-carolina/afterbay-reservoir-at-dam-near-mcgehees-mill

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