Water Quality Advisory Update #1

Water Quality Advisory update issued Wednesday August 23rd, 2017 at 10:15 a.m. MST.

Situation report:

At approximately 2:00 a.m. this morning our water treatment plant issued an alarm indicating that the plant was experiencing a higher number of backwashes than normal.  Backwashes are the mechanism by which the plant self-cleans the sand filtration beds.  Staff attended the plant to discover that the incoming untreated water, which comes from Forster’s Creek, had very high turbidity (Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of water quality).  This high level of turbidity has challenged our filtration system and resulted in high turbidity levels in the treated water that is coming into the Village.  However, in addition to the filtration, we continue to disinfect the water with both chlorination and ultraviolet light.

Staff members are currently travelling up Forster’s Creek to attempt to ascertain the cause of this high turbidity event.  It is likely that there has been a land slip or glacial movement which has dumped debris into Forster’s Creek.  If we are able to pin point the cause of this turbidity event, we will be better able to forecast when Forster’s Creek will likely clear up.  At that point in time, we will be able to undertake the flushing of our water mains and remove the water quality advisory.

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