Chain Lakes Reservoir

Higher than usual

Water level is higher than usual for mid-September and holding steady.

This is a controlled waterbody (reservoir or regulated lake). Water levels may be managed by dam operations and may not follow natural seasonal patterns.

Low (1295.16m)Normal rangeHigh (1297.47m)

Current Weather

2d ago

21°CSunny

Wind WNW 11 km/h

Humidity 38%

Sunny

Environment Canada — Crowsnest Pass - Pincher Creek - Waterton Lakes Nat. Park

vs. Last Year

No data available

7-Day Trend

→Stable

Changed less than 2.0 cm over the past week

+0.3 cm over 7 days

Seasonal Position

76th percentile

Based on 49 years of records

Seasonal Outlook

Typical next 7 days

This lake usually drops moderately over the next week.

Typical next 14 days

Over two weeks, levels typically drops moderately.

Tracking

This year is moving faster than usual.

Based on 43 years of seasonal patterns. This is a historical seasonal pattern, not a forecast.

Lake Profile

Est. average depth5.3 m

Estimated from HydroLAKES v1.0 (Messager et al., 2016). Modeled geo-statistical estimate, not a direct survey measurement.

Water Level — Last 30 Days

Technical details

Current level: 1297.15 m
Reference value: 1297.15 m (rolling_6h_mean)
Percentile for date: 76th percentile
Years of record: 49
Source station: CHAIN LAKES RESERVOIR NEAR NANTON (05AB037)
Est. average depth: 5.3 m
Relationship type: controlled_system
Mapping confidence: medium
Today's normal range: 1296.59–1297.15 m
Same-date historical range: 1295.16–1297.47 m
30-day change: -0.6 cm
Data confidence: medium
Observed at: Sep 20, 2026
Last snapshot: Sep 20, 2026

Data source: ECCC Water Office — Station 05AB037. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.