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Technical

The technical program collects both the physical and biological components of waterbodies in northern Saskatchewan in order to monitor whether cumulative effects are occurring in aquatic environments located downstream of uranium mining and milling operations.

To meet this objective, the technical program focuses on gathering the following information from four "exposure" locations (located downstream of mining and milling operations) and "three "reference" locations (not impacted) in northern Saskatchewan.

  • Water chemistry samples and limnology from each technical sampling area;
  • Sediment chemistry and sediment particle size samples at five replicate stations per technical sampling area;
  • Large-body fish flesh and bone chemistry (lake trout, lake whitefish, northern pike, white sucker, and longnose sucker where available) from each technical sampling area;
  • Benthic invertebrate community data co-located with the sediment chemistry and particle size samples from each technical sampling area.

The four exposure locations include: the two outlets of Wollaston Lake, at the Fond du Lac River and the Cochrane River, the outlet of Waterbury Lake, and Crackingstone Inlet of Lake Athabasca. All four exposure locations were selected based on their relation to current or past upstream uranium mining and milling operations. The three reference areas included Cree Lake (for Wollaston Lake), Pasfield Lake (for Waterbury Lake), and Ellis Bay of Lake Athabasca (for the Crackingstone Inlet).

Please click here for an overview map of the technical sampling areas.