The City of Dawson Creek’s existing water treatment plant was built in 1958 with a major upgrade in 1991 and 2004. In 2007 a UV disinfection system was also installed.
It is one of about a half dozen class-IV full treatment systems in the Province. The treatment consists of one reactifier clarifier which combines Flocculation – Coagulation – Sedimentation in a single chamber. As well, we have an Adsorption clarifier which uses Flocculation – Coagulation – Adsorption in a single chamber. This clarified water then passes through a bank of multi media filters. Then the clean filtered water is disinfected with UV and chlorine is added for residual.
The upgrade to the treatment plant in 2004 added another bank of filters as well as another stage of treatment with the addition of a Granular Activated Carbon filter bank which all finished water will pass through. Chlorine Gas has been replaced with sodium hypochlorite as a disinfection agent and distribution sytem residual.
In 2007 UV became our primary disinfection system. A small residual amount of chlorine is added at the end to provide continued disinfection in the distribution system.
Schematic of Water Treatment Plant (image: 192 KB)
Average Daily Flow Since 1960 (44 KB)
2006 Daily Flow Chart (40 KB)
Max Flow Day Per Year (36 KB)
Flow History 1960 to 2009 (80 KB)
Flow History By Month (60 KB)
Yearly Flow Totals (36 KB)
