LakeScout
Satellite view of Massy Reservoir

Massy 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 (24.77m)Normal rangeHigh (28.90m)

Current Weather

Sep 20
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

→Stable

Changed less than 2.0 cm over the past week

-1.4 cm over 7 days

Seasonal Position

86th percentile

Based on 38 years of records

Water Level — Last 30 Days

No recent readings
Technical details
Current level
28.10 m
Reference value
28.10 m (rolling_6h_mean)
Percentile for date
86th percentile
Years of record
38
Source station
MASSY RESERVOIR NEAR ELKWATER (11AB104)
Est. average depth
—
Relationship type
controlled_system
Mapping confidence
medium
Today's normal range
26.72–27.84 m
Same-date historical range
24.77–28.90 m
30-day change
-6.8 cm
Data confidence
medium
Observed at
Sep 20, 2026
Last snapshot
Sep 20, 2026

Data source: ECCC Water Office — Station 11AB104. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.