Indian Rock Lake water level history
Daily records since 1989 · Level today: 373.04 ft
Highest on record
424.58 ft
Jul 27, 2018
Lowest on record
369.98 ft
Aug 2, 1993
Today
373.04 ft
Oct 21, 2026
Years of data
37
since 1989
In short
Across 36 complete years, 2025 had the lowest average level (372.16 ft) and 2018 the highest (379.54 ft).
On average the lake is lowest in August (373.52 ft) and highest in March (376.60 ft).
Indian Rock Lake level, all years
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Full pool
Lowest years
Years ranked by their lowest daily level.
- 1993
- 2024
- 2022
- 2025
- 2000
Yearly highs and lows
| Year | Average | Low | Low date | High | High date |
|---|---|---|---|---|---|
| 2026 (292 days) | 372.65 | 371.87 | Feb 5 | 378.73 | Oct 12 |
| 2025 | 372.16 | 371.41 | Jan 5 | 374.87 | Jul 10 |
| 2024 | 374.33 | 371.36 | Dec 22 | 386.43 | Apr 3 |
| 2023 | 372.20 | 371.49 | Jun 9 | 383.20 | Dec 18 |
| 2022 | 373.84 | 371.39 | Sep 3 | 385.47 | May 7 |
| 2021 | 375.48 | 372.49 | Aug 16 | 410.23 | Sep 2 |
| 2020 | 374.08 | 372.28 | Jul 20 | 383.66 | Dec 25 |
| 2019 | 377.27 | 371.81 | Oct 22 | 395.87 | Mar 22 |
| 2018 | 379.54 | 371.75 | Jul 14 | 424.58 | Jul 27 |
| 2017 | 373.78 | 371.82 | Jan 1 | 379.73 | Jul 29 |
| 2016 | 374.97 | 371.78 | Aug 28 | 394.08 | Feb 4 |
| 2015 | 374.00 | 371.75 | Feb 27 | 387.94 | Oct 29 |
| 2014 | 376.78 | 371.75 | Sep 18 | 403.57 | May 1 |
| 2013 | 375.97 | 371.75 | Aug 6 | 412.18 | Oct 12 |
| 2012 | 374.15 | 372.28 | Jun 28 | 409.92 | Oct 30 |
| 2011 | 377.23 | 372.45 | Oct 28 | 420.86 | Sep 10 |
| 2010 | 374.76 | 371.64 | Jun 19 | 383.29 | Oct 1 |
| 2009 | 373.87 | 372.30 | Aug 11 | 382.34 | Dec 27 |
| 2008 | 374.26 | 371.65 | Aug 20 | 389.11 | Dec 12 |
| 2007 | 373.65 | 371.64 | Sep 21 | 393.04 | Mar 3 |
| 2006 | 374.35 | 371.56 | Oct 16 | 382.76 | Nov 17 |
| 2005 | 373.99 | 371.77 | Jun 19 | 393.08 | Apr 3 |
| 2004 | 375.86 | 372.43 | Oct 29 | 401.54 | Sep 19 |
| 2003 | 377.14 | 371.99 | Jul 31 | 390.58 | Sep 23 |
| 2002 | 372.95 | 371.69 | Sep 9 | 379.32 | Dec 14 |
| 2001 | 372.80 | 371.68 | Jun 15 | 380.60 | Mar 30 |
| 2000 | 373.56 | 371.46 | Dec 13 | 386.94 | Mar 22 |
| 1999 | 372.88 | 371.49 | Sep 14 | 377.60 | Jan 18 |
| 1998 | 376.00 | 371.71 | Dec 25 | 390.02 | Jun 24 |
| 1997 | 375.40 | 371.67 | Oct 7 | 382.57 | Mar 31 |
| 1996 | 378.36 | 373.26 | Jul 8 | 411.25 | Jan 20 |
| 1995 | 376.38 | 372.19 | Sep 15 | 387.40 | Jan 20 |
| 1994 | 378.43 | 375.27 | Jul 13 | 388.38 | Mar 28 |
| 1993 | 377.15 | 369.98 | Aug 2 | 397.86 | Dec 6 |
| 1992 | 374.00 | 372.33 | Jul 15 | 388.22 | Mar 27 |
| 1991 | 373.34 | 371.69 | Jul 19 | 379.82 | Jan 17 |
| 1990 | 377.02 | 372.56 | Nov 9 | 390.25 | Aug 1 |
| 1989 (1 days) | 375.04 | 375.04 | Dec 31 | 375.04 | Dec 31 |
Levels in feet. Partial years show the number of days with data.
Monthly averages
| Month | Average | Lowest | Highest |
|---|---|---|---|
| January | 375.44 | 371.41 | 411.25 |
| February | 376.05 | 371.41 | 395.94 |
| March | 376.60 | 370.91 | 401.67 |
| April | 376.27 | 371.57 | 394.89 |
| May | 375.70 | 371.58 | 403.57 |
| June | 374.44 | 371.49 | 390.02 |
| July | 374.04 | 371.59 | 424.58 |
| August | 373.52 | 369.98 | 407.92 |
| September | 373.92 | 370.20 | 420.86 |
| October | 374.17 | 371.39 | 412.18 |
| November | 374.71 | 371.46 | 391.40 |
| December | 375.23 | 371.36 | 397.86 |
Download
Daily levels as CSV (13,436 rows; credit the original agencies listed below)