Around here
Around Rivière L'Assomption
Nature16
Source: Canadian Geographical Names Database (NRCan), Open Government Licence - Canada · Public land: USGS PAD-US
About this river
Rivière L'Assomption is a 39.4 mile river. Streamflow is measured at the Quebec government gauge Rivière L'Assomption, Au pont-route 158 à Joliette (site CEHQ-052219). Reach geometry comes from Natural Resources Canada's National Hydro Network.
Typical flow by month
1970 to 2026
Rivière L'Assomption typically runs highest in April, at a median 2,230 cfs, and lowest in September, at 216 cfs. The highest flow on record for any single day is 12,395 cfs, in 1970.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 376 | 298 to 508 |
| February | 297 | 241 to 375 |
| March | 367 | 263 to 560 |
| April | 2,230 | 1,475 to 3,553 |
| May | 1,360 | 961 to 2,133 |
| June | 595 | 432 to 905 |
| July | 362 | 244 to 544 |
| August | 254 | 169 to 424 |
| September | 216 | 147 to 373 |
| October | 474 | 246 to 743 |
| November | 621 | 462 to 941 |
| December | 494 | 397 to 675 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 57 years of record. Statistics published by the US Geological Survey for Rivière L'Assomption, Au pont-route 158 à Joliette (site CEHQ-052219). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Rivière L'Assomption's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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