Portneuf River River Levels

Last Updated: December 4, 2025

Get the latest River Levels, Streamflow, and Hydrology for Portneuf River in River flows across 3 streamgages of the Portneuf River


Summary

Total streamflow across the Portneuf River was last observed at 747 cfs, and is expected to yield approximately 1,482 acre-ft of water today; about 106% of normal. Average streamflow for this time of year is 704 cfs, with recent peaks last observed on 2023-05-28 when daily discharge volume was observed at 3,549 cfs.

Maximum discharge along the river is currently at the Portneuf River Nr Tyhee Id reporting a streamflow rate of 433 cfs. However, the streamgauge with the highest stage along the river is the Portneuf River At Pocatello Id with a gauge stage of 4.38 ft. This river is monitored from 3 different streamgauging stations along the Portneuf River, the highest being situated at an altitude of 4,925 ft, the Portneuf River At Topaz Id.

River Details

Last Updated 2025-12-04
Discharge Volume 1,482 ACRE-FT
Streamflow 747.0 cfs
-2.0 cfs (-0.27%)
Percent of Normal 106.18%
Maximum 3,549.0 cfs
2023-05-28
Seasonal Avg 704 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Portneuf River At Topaz Id
USGS 13073000
119 cfs 2.62 ft -5.56
Portneuf River At Pocatello Id
USGS 13075500
195 cfs 4.38 ft -1.02
Portneuf River Nr Tyhee Id
USGS 13075910
433 cfs 4.28 ft 1.64
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

Portneuf is a municipality in the Portneuf Regional County Municipality, in the province of Quebec, Canada. It is located on the Saint Lawrence River, between Quebec City and Trois-Rivières. The Portneuf River runs on the east side of the town centre.
The town of Portneuf is named after a seignory that was founded in 1636, and first settled in 1640.
The municipal territory consists of 2 non-contiguous areas, separated by the municipality of Sainte-Christine-d'Auvergne. The smaller northern portion is undeveloped, whereas the southern piece is the main inhabited part with the population centres of Portneuf (south of Autoroute 40), and the adjacent Notre-Dame-de-Portneuf, north of A-40. The present-day municipality was created in 2002, when the old city of Portneuf merged with the town of Notre-Dame-de-Portneuf.The town is located on the Chemin du Roy, a historic segment of Quebec Route 138 that stretches from near Montreal to Quebec City. The town is also close by to A-40, where Provencher Street connects to the town at Exit 261.
One of Portneuf's major employers is a local paper mill owned by Metro Paper Industries, a Toronto-based paper company. Paper had been a major part of Portneuf's development since the first paper mill opened in 1839.