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• Copper corrosion is a significant problem throughout United States. <br />• Builder who is responsible for determining materials of construction an integral <br />part in solving corrosion. <br />• Water purveyor maintain fundamental responsibility to provide adequate and <br />safe drinking water per SDWA (LCR). <br />• Florida investigated the issue 20 years ago, recommended that local governments <br />should consider establishment of a municipa' service taxing unit or municipal <br />benefit unit pursuant to F.S. 125.01(q) to help owners finance plumbing retrofits. <br />• The key legal case Brynwood vs. Clearwater in 1980s relieved utility of <br />responsibility of pitting in condo units serves as the base case for utility <br />defenses in Florida. <br />• Uniform corrosion <br />• Pitting corrosion <br />• Galvanic corrosion <br />• Concentration -cell corrosion <br />• Tuberculation <br />• Crevice corrosion <br />• Microbe -induced corrosion <br />• Dezincification <br />• Graphitization <br />• Stress corrosion <br />• Erosion -corrosion <br />• Stray current corrosion <br />10/19/2021 <br />cv� t:►ttc.E:�ct• <br />corpee PlPE<'ORRo,%I )N <br />tt:l1'200) <br />Photo (left): Cast iron main blow -hole corrosion <br />accelerated by stray current. Note halo around <br />graphitized section. Louisville Water Company, <br />Glennon Zelch (retired). <br />Photo (below): Copper plumbing leakage. <br />Note workmanship. <br />w <br />12.H.1. <br />�) 6 <br />