Coles Branch Reservoir at Dam near Cary water level

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

Reservoir, Coles Branch Reservoir, North Carolina, United States

Directions

Latest reading

Surface elevation

312.05ft Steady over the last 24 hours

Measured Oct 21, 2026, 02:00 AM EDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Surface elevation

What this means

The latest lake level at Coles Branch Reservoir at Dam near Cary is 312.05 ft. The agency publishes no normal range or warning level for this reservoir yet, so there is nothing to judge the number against.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 311.46 ft and 312.50 ft.

Over the past seven days the change adds up to −0.04 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Key numbers

Same day last year: 312.03 ft+0.02 ft
Lowest and highest in 30 days: 311.46 ft – 312.50 ft
Lowest and highest in 12 months: 310.75 ft – 313.52 ft

Swimming and boating at Coles Branch Reservoir at Dam near Cary

Without a published normal range, the trend is the most useful thing here: a steady lake means few changes at the shore.

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° 41° – Wind 12 mph

22 Thu 71° 40° – Wind 10 mph

23 Fri 69° 49° – Wind 11 mph

24 Sat 69° 48° – Wind 10 mph

25 Sun 71° 49° – Wind 11 mph

26 Mon 71° 48° – Wind 5 mph

27 Tue 74° 49° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:28 AM Sunset 06:33 PM Daylight 11 hr, 6 min Waxing gibbous 75%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Walnut Creek at Buck Jones Road at RaleighRiver gauge, Walnut Creek	0.99 ft	Below flood stage	+0.01 ft	5.5 mi
White Oak Creek at Mouth near Green LevelRiver gauge, White Oak Creek	2.21 ft	Very low	−0.14 ft	5.8 mi
Crabtree Creek at Ebenezer Church Road near RaleighRiver gauge, Crabtree Creek	3.95 ft	Normal	−0.14 ft	7 mi
Northeast Creek at Sr1100 near GenleeRiver gauge, Northeast Creek	4.05 ft	Low	±0	7 mi
Swift Creek near ApexRiver gauge, Swift Creek	1.64 ft	Very low	−1.10 ft	7 mi
Lake Johnson above Dam at RaleighReservoir, Lake Johnson	343.26 ft	Highest on record	−0.01 ft	7 mi
Walnut Creek at Trailwood Drive at RaleighRiver gauge, Walnut Creek	3.80 ft	Low	−0.07 ft	8 mi
Northeast Creek Tributary at Sr1182 near Lowes GroveRiver gauge, Northeast Creek Tributary	1.68 ft	Very high	−0.08 ft	9 mi

Questions and answers

How does Coles Branch Reservoir at Dam near Cary compare with last year?

It is 0.02 ft higher than on the same day last year, when the reading was 312.03 ft.

Is Coles Branch Reservoir at Dam near Cary really 312.05 ft deep?

No. 312.05 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 Coles Branch Reservoir at Dam near Cary today?

On Oct 21, 2026, 02:00 AM EDT, the surface elevation was 312.05 ft. Steady over the last 24 hours.

Is Coles Branch Reservoir at Dam near Cary rising or falling?

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

Is the level of Coles Branch Reservoir at Dam near Cary normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:0208723490 (Agency page)
Coordinates: 35.79956, -78.82890 (WGS84)
Vertical datum: NAVD88
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	312.05 ft	2026-10-21 06:00	Provisional

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How to cite

U.S. Geological Survey: Coles Branch Reservoir at Dam near Cary (usgs:0208723490). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/north-carolina/coles-branch-reservoir-at-dam-near-cary

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