Route 218 bridge, Saint-Lambert-de-Lauzon 023402
Reading the latest value from Quebec's environment ministry…
Live readings are provisional: the agency publishes them before checking them and can revise them. CanoeMap shows the agency's numbers as published. See this gauge at the agency
Latest value at each gauge
| Gauge | Level | Flow | Latest reading |
|---|---|---|---|
| Route 218 bridge, Saint-Lambert-de-Lauzon 023402 | … | … | … |
| Below the Sartigan dam, Saint-Georges 023429 | … | … | … |
Typical flow by month
Route 218 bridge, Saint-Lambert-de-Lauzon 023402
Flow is typically highest in April (329 m³/s) and lowest in September (20.6 m³/s).
| Month | Typical flow (m³/s) | Middle half of days |
|---|---|---|
| January | 40.9 | 28.1 – 66.2 |
| February | 29.9 | 18.6 – 45.3 |
| March | 75.4 | 35.6 – 156 |
| April | 329 | 181 – 576 |
| May | 114 | 62.6 – 219 |
| June | 56.6 | 32.4 – 111 |
| July | 41.3 | 22.5 – 79.5 |
| August | 25.9 | 12.6 – 53.2 |
| September | 20.6 | 11.4 – 43.5 |
| October | 49.9 | 28.3 – 108 |
| November | 69.9 | 45.6 – 123 |
| December | 65.1 | 39.8 – 124 |
Flow: median of daily means, 28 complete years from 1996 to 2024.
Below the Sartigan dam, Saint-Georges 023429
Flow is typically highest in April (163 m³/s) and lowest in September (8.36 m³/s).
| Month | Typical flow (m³/s) | Middle half of days |
|---|---|---|
| January | 19.1 | 13.2 – 32.3 |
| February | 13.8 | 9.94 – 21.6 |
| March | 36.1 | 18.6 – 81.6 |
| April | 163 | 94.2 – 282 |
| May | 63.5 | 34.2 – 122 |
| June | 31.6 | 16.9 – 65.6 |
| July | 17.1 | 9.34 – 38.8 |
| August | 10.8 | 5.86 – 26.3 |
| September | 8.36 | 5.31 – 19.5 |
| October | 25.3 | 12.7 – 59.2 |
| November | 33.7 | 19.9 – 65.3 |
| December | 31.2 | 17.3 – 63.3 |
Flow: median of daily means, 28 complete years from 1996 to 2024.
When does the spring peak come?
Computed from the agency's published daily means: for each year, the highest day between March 1 and July 31.
Route 218 bridge, Saint-Lambert-de-Lauzon (023402): over 28 complete years from 1996 to 2024, the highest daily flow between March and July came around April 17 (the median date). In 14 of those 28 years it came between April 8 and April 24. The median peak was 1,240 m³/s; the highest in the period, 2,350 m³/s, came on April 21, 2019.
Below the Sartigan dam, Saint-Georges (023429): over 28 complete years from 1996 to 2024, the highest daily flow between March and July came around April 19 (the median date). In 15 of those 28 years it came between April 8 and April 24. The median peak was 660 m³/s; the highest in the period, 1,300 m³/s, came on April 20, 2019.
About the gauges
Route 218 bridge, Saint-Lambert-de-Lauzon
- Station number
- 023402
- Official name
- Chaudière - au pont-route 218 à Saint-Lambert-de-Lauzon
- Agency
- Quebec's environment ministry
- Municipality
- Saint-Lambert-de-Lauzon
- Drainage area
- 5 820 km²
- Flow regime, as the ministry classes it
- slightly influenced (Peu influencé)
- Federal station number
- 02PJ005
Below the Sartigan dam, Saint-Georges
- Station number
- 023429
- Official name
- Chaudière - à 0,1 km en aval du barrage Sartigan
- Agency
- Quebec's environment ministry
- Municipality
- Saint-Georges
- Drainage area
- 3 085 km²
- Flow regime, as the ministry classes it
- influenced (Influencé)
- Federal station number
- 02PJ014
Canoe routes on the Chaudière River
Questions
What is the Chaudière River water level today?
The reading at the top of this page comes from Quebec's environment ministry each time the page loads, for gauge 023402 (Route 218 bridge, Saint-Lambert-de-Lauzon). The table of typical values shows whether the reading is high or low for the season.
When does the Chaudière River peak in spring?
Route 218 bridge, Saint-Lambert-de-Lauzon (023402): over 28 complete years from 1996 to 2024, the highest daily flow between March and July came around April 17 (the median date). In 14 of those 28 years it came between April 8 and April 24. The median peak was 1,240 m³/s; the highest in the period, 2,350 m³/s, came on April 21, 2019.
Live readings: Données Québec, "Stations débit/niveau - Grand public", CC BY 4.0. Typical values: validated historical series from Quebec's environment ministry. CanoeMap computes the typical values and the peak dates from those archives.