To view historic river levels data, use the arrows on the calendar to view the previous year or previous month's data. You can also select a different month or year by clicking on the month and year that are displayed on the calendar and graph.
*All measurements given in James feet (0 James feet = 727.57 feet geodetic).
"Geodetic" is the horizontal and vertical positioning of a ship, platform, benchmark, survey location, etc.
Data provided in partnership with the Water Survey of Canada/Environment Canada.
Winter weather impacts survey sites, leaving some sites unable to provide timely data or offline completely. Survey sites should be back to full function in spring.