Lac des Trente Et Un Milles
No dataInsufficient data for gauge
Current Weather
Sep 2019°CPartly Cloudy
Wind NE 11 km/h
Humidity 48%
Chance of showers
Environment Canada — Upper Gatineau - Lièvre - Papineau
vs. Last Year
No data available
7-Day Trend
No trend data
Seasonal Position
—
Seasonal Outlook
Typical next 7 days
This lake usually drops slightly over the next week.
Typical next 14 days
Over two weeks, levels typically drops slightly.
Based on 40 years of seasonal patterns. This is a historical seasonal pattern, not a forecast.
Fish Consumption Advisories (3 species)
The following consumption advisories are in effect for fish caught in Lac des Trente Et Un Milles.
Grand brochet
| Contaminant | Size | General pop. | Sensitive pop. |
|---|---|---|---|
| Mercure | 40–55 cm | 8/month | — |
| Mercure | 55–70 cm | 8/month | — |
Grand corégone
| Contaminant | Size | General pop. | Sensitive pop. |
|---|---|---|---|
| Mercure | 35–40 cm | 8/month | — |
| Mercure | 40–45 cm | 8/month | — |
| Mercure | 45+ cm | 8/month | — |
Touladi
| Contaminant | Size | General pop. | Sensitive pop. |
|---|---|---|---|
| Mercure | 45–55 cm | 8/month | — |
| Mercure | 55–70 cm | 8/month | — |
| Mercure | 70+ cm | 4/month | — |
Source: Guide de consommation du poisson (MELCCFP) (2025). Advisory data is updated annually.
Lake Profile
Est. average depth25.6 m
Estimated from HydroLAKES v1.0 (Messager et al., 2016). Modeled geo-statistical estimate, not a direct survey measurement.
Water Level — Last 30 Days
No recent readings
Technical details
- Current level
- —
- Reference value
- —
- Percentile for date
- —
- Years of record
- —
- Source station
- TRENTE ET UN MILLES (LAC DES) AU BARRAGE (02LH029)
- Est. average depth
- 25.6 m
- Relationship type
- direct_lake
- Mapping confidence
- medium
- Today's normal range
- —
- Same-date historical range
- —
- 30-day change
- —
- Data confidence
- —
- Observed at
- —
- Last snapshot
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Data source: ECCC Water Office — Station 02LH029. Water level readings are provisional and subject to revision. This is not a navigation or flood-warning service.