Time of day angling restrictions come into effect today in Southern Alberta due to low flows and high water temperatures.

Time of Day (TOD) angling restrictions will be in place from 2 p.m. to midnight until Aug. 31 at 11:59 p.m. for:

  • all rivers and streams (flowing waters) in fisheries management zone ES1, including the Bow River downstream of Banff National Park to Bassano Dam (this includes Ghost Reservoir, Bearspaw Reservoir and Bassano Reservoir.
  • St. Mary's River mainstem (including tributaries) below the St. Mary's Reservoir in fisheries management zone PP1

This approach was developed by Alberta Environment and Parks based on feedback collected during the 2022 Fisheries Engagement. TOD angling restrictions are in place to protect fish during periods of low flows and high water temperatures.

Alberta Environment and Parks continues to monitor water flow and temperature across southern Alberta. The real-time water quality data at Carseland shows that the following thresholds for implementation of TOD angling restrictions are currently being exceeded, with no expectation that weather and flow conditions will improve.

It's based upon water temperatures exceeding 20°C for three or more consecutive days, and flows in the Bow River being less than the 25th percentile for that time of year for four or more days.

Review the map below for areas that will fall under this time of day angling restrictions.

angling restriction map