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Waterton Reservoir water level today

Reservoir in Alberta

1,178.514m
3,866.52 ft · CGVD28
Measured · provisional
Normal for the dateSteady
24 hours
▲ 0.042 m
7 days
▲ 0.311 m
30 days
▼ 0.303 m
Normal for Oct 23 ?
1,178.681 m

At a glance · Oct 23

About normal

Waterton Reservoir is 0.17 m lower than normal for Oct 23, lower than on this date in 1 of the last 10 years, but still within its normal range.

  • This week↗ Rising 0.31 m
  • Lowest on record↓ 1,167.26 m (2018)

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Normal for Oct 23Record lowToday1,178.51 m

Today compared with past years on Oct 23

Lowest to highest on this date: 1,169.43–1,183.71 mUsual range (10th–90th percentile): 1,170.80–1,180.49 mNormal (25th–75th percentile): 1,174.62–1,180.02 mToday: 1,178.51 mToday 1,178.51 mMedian 1,178.68Lowest 1,169.43Highest 1,183.7125th75th
Lowest to highest on this date: 1,169.43–1,183.71 mUsual range (10th–90th percentile): 1,170.80–1,180.49 mNormal (25th–75th percentile): 1,174.62–1,180.02 mToday: 1,178.51 mToday 1,178.51 mMedian 1,178.68Lowest 1,169.4325th75th

Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.

What this means

It is lower than on Oct 23 in 1 of the last 10 years.

The lake has risen 0.311 m in 7 days and fallen 0.303 m in 30 days.

Since 1965, the lowest daily level was 1,167.260 m (Dec 2018) and the highest 1,185.930 m (Jun 2005).

Waterton Reservoir level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

2026 compared with 2025

1,1691,1741,1781,1821,186JanFebMarAprMayJunJulAugSepOctNovDec202520262025-01-01: 1,177.08 m2025-01-06: 1,177.08 m2025-01-11: 1,177.12 m2025-01-16: 1,177.14 m2025-01-21: 1,177.12 m2025-01-26: 1,177.09 m2025-01-31: 1,177.07 m2025-02-05: 1,177.04 m2025-02-10: 1,176.99 m2025-02-15: 1,176.95 m2025-02-20: 1,176.91 m2025-02-25: 1,176.92 m2025-03-02: 1,176.97 m2025-03-07: 1,176.99 m2025-03-12: 1,177.02 m2025-03-17: 1,177.04 m2025-03-22: 1,177.07 m2025-03-27: 1,177.09 m2025-04-01: 1,177.24 m2025-04-06: 1,177.56 m2025-04-11: 1,177.90 m2025-04-16: 1,178.30 m2025-04-21: 1,178.20 m2025-04-26: 1,178.08 m2025-05-01: 1,177.87 m2025-05-06: 1,178.02 m2025-05-11: 1,178.15 m2025-05-16: 1,179.06 m2025-05-21: 1,179.18 m2025-05-26: 1,179.08 m2025-05-31: 1,179.72 m2025-06-05: 1,181.01 m2025-06-10: 1,181.13 m2025-06-15: 1,181.89 m2025-06-20: 1,182.24 m2025-06-25: 1,182.53 m2025-06-30: 1,182.88 m2025-07-05: 1,183.07 m2025-07-10: 1,183.17 m2025-07-15: 1,183.30 m2025-07-20: 1,184.25 m2025-07-25: 1,185.04 m2025-07-30: 1,184.79 m2025-08-04: 1,184.82 m2025-08-09: 1,184.53 m2025-08-14: 1,184.00 m2025-08-19: 1,183.38 m2025-08-24: 1,182.65 m2025-08-29: 1,181.84 m2025-09-03: 1,180.94 m2025-09-08: 1,180.01 m2025-09-13: 1,179.17 m2025-09-18: 1,178.43 m2025-09-23: 1,177.62 m2025-09-28: 1,176.81 m2025-10-03: 1,175.93 m2025-10-08: 1,175.03 m2025-10-13: 1,174.89 m2025-10-18: 1,175.00 m2025-10-23: 1,175.17 m2025-10-28: 1,175.26 m2025-11-02: 1,175.36 m2025-11-07: 1,175.59 m2025-11-12: 1,175.97 m2025-11-17: 1,176.81 m2025-11-22: 1,178.56 m2025-11-27: 1,179.74 m2025-12-02: 1,179.97 m2025-12-07: 1,179.90 m2025-12-12: 1,179.94 m2025-12-17: 1,180.20 m2025-12-22: 1,180.22 m2025-12-27: 1,180.09 m2026-09-22: 1,178.85 m2026-09-27: 1,178.63 m2026-10-02: 1,178.32 m2026-10-07: 1,177.94 m2026-10-12: 1,178.02 m2026-10-17: 1,178.29 m
1,1691,1741,1781,1821,186JanAprJulOct202520262025-01-01: 1,177.08 m2025-01-06: 1,177.08 m2025-01-11: 1,177.12 m2025-01-16: 1,177.14 m2025-01-21: 1,177.12 m2025-01-26: 1,177.09 m2025-01-31: 1,177.07 m2025-02-05: 1,177.04 m2025-02-10: 1,176.99 m2025-02-15: 1,176.95 m2025-02-20: 1,176.91 m2025-02-25: 1,176.92 m2025-03-02: 1,176.97 m2025-03-07: 1,176.99 m2025-03-12: 1,177.02 m2025-03-17: 1,177.04 m2025-03-22: 1,177.07 m2025-03-27: 1,177.09 m2025-04-01: 1,177.24 m2025-04-06: 1,177.56 m2025-04-11: 1,177.90 m2025-04-16: 1,178.30 m2025-04-21: 1,178.20 m2025-04-26: 1,178.08 m2025-05-01: 1,177.87 m2025-05-06: 1,178.02 m2025-05-11: 1,178.15 m2025-05-16: 1,179.06 m2025-05-21: 1,179.18 m2025-05-26: 1,179.08 m2025-05-31: 1,179.72 m2025-06-05: 1,181.01 m2025-06-10: 1,181.13 m2025-06-15: 1,181.89 m2025-06-20: 1,182.24 m2025-06-25: 1,182.53 m2025-06-30: 1,182.88 m2025-07-05: 1,183.07 m2025-07-10: 1,183.17 m2025-07-15: 1,183.30 m2025-07-20: 1,184.25 m2025-07-25: 1,185.04 m2025-07-30: 1,184.79 m2025-08-04: 1,184.82 m2025-08-09: 1,184.53 m2025-08-14: 1,184.00 m2025-08-19: 1,183.38 m2025-08-24: 1,182.65 m2025-08-29: 1,181.84 m2025-09-03: 1,180.94 m2025-09-08: 1,180.01 m2025-09-13: 1,179.17 m2025-09-18: 1,178.43 m2025-09-23: 1,177.62 m2025-09-28: 1,176.81 m2025-10-03: 1,175.93 m2025-10-08: 1,175.03 m2025-10-13: 1,174.89 m2025-10-18: 1,175.00 m2025-10-23: 1,175.17 m2025-10-28: 1,175.26 m2025-11-02: 1,175.36 m2025-11-07: 1,175.59 m2025-11-12: 1,175.97 m2025-11-17: 1,176.81 m2025-11-22: 1,178.56 m2025-11-27: 1,179.74 m2025-12-02: 1,179.97 m2025-12-07: 1,179.90 m2025-12-12: 1,179.94 m2025-12-17: 1,180.20 m2025-12-22: 1,180.22 m2025-12-27: 1,180.09 m2026-09-22: 1,178.85 m2026-09-27: 1,178.63 m2026-10-02: 1,178.32 m2026-10-07: 1,177.94 m2026-10-12: 1,178.02 m2026-10-17: 1,178.29 m
20262025Normal (middle 50% of past years)Usual range (10th–90th percentile)Median

Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.

Same date in past years

DateLevelvs today
Oct 23, 20251,175.170 m▼ 3.344 m
Oct 23, 20241,176.380 m▼ 2.134 m
Oct 23, 20231,174.620 m▼ 3.894 m
Oct 23, 20221,173.340 m▼ 5.174 m
Oct 23, 20211,169.600 m▼ 8.914 m
Oct 23, 20201,176.670 m▼ 1.844 m
Oct 23, 20191,177.410 m▼ 1.104 m
Oct 23, 20181,169.670 m▼ 8.844 m
Oct 23, 20171,171.820 m▼ 6.694 m
Oct 23, 20161,180.140 m▲ 1.626 m

Records & details

Highest
1,185.930 m on Jun 28, 2005
Lowest
1,167.260 m on Dec 28, 2018
Records from
1965 (61 years of daily data)
Water temperature
Not measured here

Full history: yearly highs and lows, monthly averages →

Nearby lakes

All Alberta lake levels →