Lake levels › Colorado

John Martin Lake water level today

Normal for this time of year

3,805.74ft

feet above sea level ·

vs full pool−46.1 ft
vs normal for Oct 10−1.0 ft
24 hours+0.02 ft
7 days+1.8 ft
30 days+4.6 ft
vs a year ago+5.4 ft

Is John Martin Lake low right now?

John Martin Lake was at 3,805.74 ft on October 10, 2026, 46.10 ft below its full pool of 3,851.8 ft. That is 0.95 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.26 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)Full pool
3,7953,8113,8263,8413,856NovDecJanFebMarAprMayJunJulAugSepOct Full pool 3,851.8

John Martin Lake on Oct 10 in past years

20253,800.4+5.4
20243,799.9+5.8
20233,802.1+3.7
20223,797.3+8.4
20213,799.9+5.9
20203,806.8−1.0

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Changevs full pool
Oct 103,805.74+0.02−46.1
Oct 93,805.72+0.05−46.1
Oct 83,805.67+0.11−46.2
Oct 73,805.56+0.14−46.3
Oct 63,805.42+0.82−46.4
Oct 43,804.60+0.70−47.2
Oct 33,803.90+1.23−47.9
Oct 23,802.67+1.12−49.2
Oct 13,801.55+0.48−50.3
Sep 303,801.07−0.12−50.8
Sep 293,801.19−0.17−50.7
Sep 283,801.36−0.04−50.5
Sep 273,801.40+0.03−50.4
Sep 263,801.37+0.07−50.5

Daily means of the operator's readings (midnight to midnight, local time).

About John Martin Lake

Full pool
3,851.8 ft (Top of Conservation)
10-year range
3,797.2 ft (October 17, 2022) to 3,849.7 ft (March 18, 2018)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — SPA district, John Martin
Datum
NGVD29

Lakes near John Martin Lake

Questions

Is John Martin Lake low right now?

John Martin Lake was at 3,805.74 ft on October 10, 2026, 46.10 ft below its full pool of 3,851.8 ft. That is 0.95 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.26 ft a day.

What is full pool for John Martin Lake?

Full pool (Top of Conservation) is 3,851.8 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.

How often is the John Martin Lake level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Army Corps of Engineers (SPA district, John Martin). Readings are provisional and can be revised.