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Spotlight On: Membranes
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| A bi-monthly magazine covering the environmental protection and drinking water industry since 1988 | ||
![]() A diverse range of case histories and new developments are reviewed in ES&E's semi-annual look at tanks, containment systems and spill management.
Three regional water treatment plants (WTPs) serve the population: Bay Bulls Big Pond, Petty Harbour Long Pond and Windsor Lake. The regional authority owns, operates and maintains Bay Bulls; the city, Petty Harbour and Windsor Lake. The city is also responsible for various pumping stations, meter chambers and pressurereducing valves throughout the distribution system. A boil water advisory, issued in August 2001, helped spur the city to investigate ways of better treating its surface water. St. John's previously used conventional screening, chlorination and pH adjustment as the sole means of treating water at both Windsor Lake and Petty Harbour, and was unable to meet proposed regulatory treatment requirements.
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