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High incidences of pinhole leaks, which occur in home plumbing due to pitting corrosion of waterpipes, have been observed in parts of the U.S. such as the Maryland suburbs of Washington D.C. Thisresearch evaluates factors that might affect leaks, assesses the costs incurred by consumers from corrosionas well as the willingness to pay for improved water infrastructure. Statistical analysis of Marylandsurvey responses suggests that the probability of pinhole leak occurrences is associated with the type ofpipes installed and the distance of the dwelling from a water treatment plant. The number of leaks andlocation of pinhole leaks in the dwelling drive the financial costs of pinhole leak damage. Correcting forsample selection bias influences the estimated coefficients and statistical significance of the model.Willingness to pay (WTP) for improvements in drinking water infrastructure is evaluated using data froma 2005 telephone survey of households across the United States. The impact of socioeconomic factors,income and previous experiences with infrastructure problems on WTP is evaluated using an orderedprobit model. Research findings will inform policymakers, program managers, and water utilities on theimportance of reducing corrosion in home drinking water infrastructure. Includes 21 references, tables.

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Edition: Vol. - No. Published: 11/01/2006 Number of Pages: 20File Size: 1 file , 550 KB