Duncan Reservoir
NormalWater level is right where you'd expect for mid-September and falling.
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 (556.90m)Normal rangeHigh (576.80m)
Current Weather
2d ago18°CMainly Sunny
Wind NNW 4 km/h
Humidity 56%
Sunny
Environment Canada — Kootenay Lake
vs. Last Year
No data available
7-Day Trend
↓Falling
Down 113.3 cm over the past week
-113.3 cm over 7 days
Seasonal Position
42nd percentile
Based on 58 years of records
Seasonal Outlook
Typical next 7 days
This lake usually drops noticeably over the next week.
Typical next 14 days
Over two weeks, levels typically drops noticeably.
Tracking
This year is moving slower than usual.
Based on 58 years of seasonal patterns. This is a historical seasonal pattern, not a forecast.
Lake Profile
Est. average depth23.8 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
- 573.33 m
- Reference value
- 573.36 m (rolling_6h_mean)
- Percentile for date
- 42nd percentile
- Years of record
- 58
- Source station
- DUNCAN RESERVOIR AT DUNCAN DAM (08NH127)
- Est. average depth
- 23.8 m
- Relationship type
- controlled_system
- Mapping confidence
- medium
- Today's normal range
- 572.58–575.81 m
- Same-date historical range
- 556.90–576.80 m
- 30-day change
- -291.2 cm
- Data confidence
- medium
- Observed at
- Sep 20, 2026
- Last snapshot
- Sep 20, 2026
Data source: ECCC Water Office — Station 08NH127. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.