LakeScout
Satellite view of Reesor Reservoir

Reesor Reservoir

Higher than usual

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

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 (1223.76m)Normal rangeHigh (1226.56m)

Current Weather

2d ago
18°C
Wind SE 21 km/h
Humidity 56%

Sunny

Environment Canada — Cypress Hills Provincial Park - Foremost

vs. Last Year

No data available

7-Day Trend

Rising

Up 2.2 cm over the past week

+2.2 cm over 7 days

Seasonal Position

86th percentile

Based on 62 years of records

Seasonal Outlook

Typical next 7 days

This lake usually drops slightly over the next week.

Typical next 14 days

Over two weeks, levels typically holds steady.

Tracking

This year is moving faster than usual.

Based on 28 years of seasonal patterns. Moderate historical coverage. This is a historical seasonal pattern, not a forecast.

Water Level — Last 30 Days

Technical details
Current level
1226.42 m
Reference value
1226.41 m (rolling_6h_mean)
Percentile for date
86th percentile
Years of record
62
Source station
REESOR RESERVOIR NEAR ELKWATER (11AB090)
Est. average depth
Relationship type
controlled_system
Mapping confidence
medium
Today's normal range
1225.82–1226.33 m
Same-date historical range
1223.76–1226.56 m
30-day change
+5.0 cm
Data confidence
medium
Observed at
Sep 20, 2026
Last snapshot
Sep 20, 2026

Data source: ECCC Water Office — Station 11AB090. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.