USING SURVEYS, MONITORING AND ENVIRONMENTAL DATA COLLECTION TO UNDERSTAND THE IMPACT OF CONTINUOUS AND INTERMITTENT BACTERIAL LOADS ON COASTAL BATHING WATERS IN THE NORTH WEST OF ENGLAND

摘要

In 1996 North West Water (NWW), the major supplier of water and wastewaterservices in the North West of England, completed an $800 million investmentprogramme with the aim of improving bathing water quality on the North West coast.When the bathing water compliance with regulatory standards did not improve, NWWinitiated a programme of surveys, asset monitoring and environmental data collectionto assist the government water quality regulator (Environment Agency) to understandthe problem and develop future investment programmes. The paper summarises thereasons and methods for the data collection, the data analysis approaches that havebeen adopted and the use to which some of this data analysis has been put. Thepaper explains why :-?Ω 12 Λ168 Λ192 Λ240 Λ288 Λ336 Λ384 Λ432 Λ480 Λ528 Λ576 Λ624 The problem of bathing far more complicated than anyone had previously realised?Current data analysis techniques and models cannot be used in isolation tofully understand this complex environment?An incremental approach to investment, based on sound scientificevidence, may be the most cost effective approach to improving bathingwater quality compliance