Cranbook
As directed in the Drinking Water Protection Act and Regulations a water supplier is required to have their bacteriological water monitoring analyzes completed by an accredited laboratory that is approved by the Provincial Health Officer. City of Cranbrook has employed MB Labs Ltd. to analyze bacteriological samples plus a multitude of other parameters.
Due to the nature of the water system there are a number of operators taking water quality samples and performing field measurements. Annual operator water quality training is provided to verify that results are obtained correctly; duplicate samples are taken at locations which coincide with the sampling schedule.
The water distribution system consists of approximately 160km of watermains, ranging in diameter from 50mm (2”) to 762mm (30.5”) and consisting primarily of ductile iron material. 13 Pressure Reducing Stations with pressure ranges from 230 psig to 64 psig. The City has developed three groundwater wells, which are used to augment its water supply during periods of high demand and to satisfy fire flow requirements. The groundwater wells are also the emergency backup supply for the system.
Additional measurement of distribution system water quality is also provided at the following locations:
• PRV #1 (Chlorine Residual, pH, and Temperature)
• PRV #2 (Chlorine Residual, pH, and Temperature)
• PRV #9 (Chlorine Residual, pH, Temperature, and Turbidity)
• PRV #11 (Chlorine Residual, pH, and Temperature)
• PRV #12 (Chlorine Residual, pH, and Temperature)
• Well #3 (Chlorine Residual, pH, and Temperature)
• Well #4 (Chlorine Residual, pH, and Temperature)
• Well #5 (Chlorine Residual, pH, and Temperature)
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