Copan Lake Water Level Today

Copan Lake is 87.7% full at 709.0 ft as of 5:00 a.m. CT, Oct 24, according to the U.S. Army Corps of Engineers.

87.7%

Full, by conservation pool storage

709.0 ft

Elevation above sea level

1.0 ft

Below full pool of 710.0 ft

Today, 709.0 ftFull pool, 710.0 ftNormal, 709.6 ft

Last 24 hours

−0.02 ft

Last 7 days

−0.05 ft

Last 30 days

−0.16 ft

Compared with normal

0.6 ft below

Updated 5:00 a.m. CT, Oct 24. Source: U.S. Army Corps of Engineers. Normal is the median level for Oct 24 from 2014 to 2026. Elevations are in feet above NGVD29.

Copan Lake level history

30 days1 year10 years

Last 30 daysFull pool, 710.0 ft

Last 30 daysFull pool

This yearSame dates last yearFull pool, 710.0 ft

This yearSame dates last yearFull pool

One reading a weekFull pool, 710.0 ft

One reading a weekFull pool

Elevation in feet, one reading per day (one a week over 10 years). Source: U.S. Army Corps of Engineers.

Common questions

Is Copan Lake full?

No. It is 87.7% full by conservation pool storage, 1.0 ft below its full pool elevation of 710.0 ft.

What is the lowest Copan Lake has been since 2014?

702.3 ft, in December 2023, in daily records back to September 2014.

What is the highest Copan Lake has been since 2014?

732.4 ft, in May 2019, in daily records back to September 2014.

How does today compare with a normal year?

It is 0.6 ft below the median level for Oct 24 across the stored record.

Is Copan Lake rising or falling?

Falling: it is down 0.05 ft over the last 7 days.

Records

Record high	732.4 ft	May 2019
Record low	702.3 ft	Dec 2023
This year's high	721.8 ft	Jun 2026
This year's low	708.8 ft	Oct 2026

Daily levels since September 2014. Source: U.S. Army Corps of Engineers.

Flows and water temperature

Inflow	0 cfs
Release from Copan Dam	9 cfs

Latest readings. Source: U.S. Army Corps of Engineers.

Lake facts

Operator	U.S. Army Corps of Engineers, Tulsa District
Dam	Copan Dam
Full pool	710.0 ft
Conservation capacity	34,634 acre-ft
Surface area	4,850 acres
County	Washington

Full pool and capacity: U.S. Army Corps of Engineers. Dam facts: U.S. Army Corps of Engineers, National Inventory of Dams.

Other lakes near Copan Lake

All Oklahoma lakes

Lake	Percent full	Level	Change, 7 days	Updated
Hulah Lake	89.7%	732.3 ft	−0.06 ft	5:00 a.m. CT, Oct 24
Elk City Lake	92.9%	795.3 ft	−0.05 ft	5:00 a.m. CT, Oct 24
Oologah Lake	100.0%	640.5 ft	−0.09 ft	5:00 a.m. CT, Oct 24
Skiatook Lake	89.8%	710.8 ft	−0.17 ft	5:00 a.m. CT, Oct 24
Keystone Lake	100.0%	724.8 ft	+4.16 ft	5:00 a.m. CT, Oct 24
Fall River Lake	95.2%	948.2 ft	−0.12 ft	5:00 a.m. CT, Oct 24

Hulah Lake89.7% full Elk City Lake92.9% full Oologah Lake100.0% full Skiatook Lake89.8% full Keystone Lake100.0% full Fall River Lake95.2% full

All Oklahoma lakes

LakeLevelToday is not an official warning source. For flood watches and warnings near Copan Lake, check the National Weather Service.