Flow Estimates for the Current Year

The graph below shows the Athabasca River flow estimates (black dots) used in implementation of the Lower Athabasca Region Surface Water Quantity Management Framework for the Lower Athabasca River weekly management triggers and water withdrawal limits for the current year 2019. The table below presents the Athabasca River flow estimates used for the previous year.

The river naturally fluctuates throughout the year, with flows reaching their peak around July (approximately week 26 on the graph). As natural flow increases, so does the minimum flow required to maintain a healthy ecosystem.

Flow estimates for the current year 2019

*Week #1 is January 1 - 7. Week #52 is December 24th - 31st.


Flow estimates for the previous year 2018

Week Flow (m3/s) Week Flow (m3/s)
1 266 27 1317
2 279 28 1990
3 272 29 1210
4 218 30 1160
5 215 31 1400
6 209 32 1130
7 196 33 876
8 190 34 833
9 192 35 626
10 194 36 635
11 197 37 608
12 207 38 616
13 192 39 538
14 227 40 569
15 230 41 597
16 230 42 510
17 300 43 487
18 764 44 470
19 560 45 626
20 1390 46 402
21 1420 47 290
22 1321 48 258
23 1220 49 235
24 988 50 218
25 1613 51 185
26 1120 52 195

*On occasion, weekly flow estimates may not be available for various reasons including spring breakup, the gauge being out of service, or data outages.