Province of Manitoba » Water Stewardship » Water Quality : Rivers, Lakes and Wells » Water Quality Management » Assiniboine River Study
The Water Quality Management Section participated in a multi-stakeholder study of the Assiniboine River as it flows through Manitoba. A major part of this effort was focused towards the development of a water quality model for the Assiniboine River between Lake of the Prairies and the City of Brandon. The water quality model developed for this reach of the Assiniboine River can be linked to similar models being developed for other reaches of the Assiniboine River as well as for Lake Winnipeg.
In November 2002, a preliminary study report entitled "Assiniboine River Water Quality Study: Nitrogen and Phosphorus Dynamics May 2001 to May 2002" was released and is available as a PDF. The report describes seasonal and longitudinal trends in nitrogen and phosphorus concentrations in the Assiniboine River between Lake of the Prairies and the City of Brandon.
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In March 2005, the development of water quality models for the Assiniboine River between Lake of the Prairies and the City of Brandon was completed. A study report entitled "Assiniboine River Water Quality Study: Lake of the Prairies to the City of Brandon Water Quality Model" is available as a PDF. The report describes the development, calibration, and testing of four water quality models representing three open water seasons (spring, summer and fall), and one ice-covered season. Water quality models include nutrients (total nitrogen and phosphorus and associated inorganic and organic fractions), dissolved oxygen, chlorophyll a, total suspended solids, and conductivity. An assessment of water quality and nutrient loading in the Assiniboine River between Lake of the Prairies and the City of Brandon was also included in the study report. The resulting water quality models for the Assiniboine River can be used to predict water quality impacts that may occur as a result of climate changes, future development or river management.
For more information on the Assiniboine River Study please see contact:
Nicole Armstrong
Water Quality Management Section
Manitoba Water Stewardship
123 Main Street, Suite 160
Winnipeg MB R3C 1A5
Telephone: (204) 945-3991
Toll Free: 1-800-282-8069 (3991)
Facsimile: (204) 948-2357
E-mail: narmstrong@gov.mb.ca