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Need for Cathodic Protection Well St-indard `tthodiC protection wells,airing with Other types of wells,,caa allow ground wzatcr qua lily degra dal iun to cxu.ur. Emptoperly constructed or destroyed whodic protection wells can cotistitulC a priJUCrRW1 pathway for the mOVMcrit of poor-quality water, pollutants, and contaminants_ Calhodic protection wells constructed with i gravel barl€fi[[ to land surface are particularly conducive to the movemeatt of prrQr-quality water, pollutants, or contaminants. Water and elearolyws are sometimes introduced into ca taaadic protection wells through vent pipes, or gravel GII in the annulus. to keep wells functional where natural clectrolytv,, arc hicking. Such a practice could be considered "waste dksposar and may be illegal if poor-quality water is used. Permanently inactive: cathodic protection wells hose .a threat for the, movernent oP poor-quaIity water, pollutants, and cotrtarninants, and should be properly destroyed. Nrm;mcntly inactjve cathodic prcicction wells ate a thrczat to ground water quality N_,cause they become dilapidated with timo,are-;ornetimcs fog gotten. and are sorncUmcs used for waste disposal. Many cal had ic protedtion wells have sma11 diameter vent pipes lbaI prevent miry by persons;arid most acnirnals, However, large gent pipe sires can pose t� scrimis safety threat if lert open at land surfa€e, History or Cathodic Prfatection Nell Standards The California l.egisGa Lure enacted legislation in 1S)49 directing thc.California Dcpartoacnt of Water Resources to develop fccomnacncled water-quality prop "tlon standards for t fie cn(is Iruc[ion and dus trucrian nfwc:l1q..T1'ic Legislature amended the Water Code in 1969 14) require° slandards for cathodic protection wells. Cathodic pro Iection we]] standards for California wcrca first published in 1973-as D W R Rulleiin 74-1, C rArydie Praleceirmz ftll Si andards., Sfax,of California. Standards presertted here replace those c(mtained in Bulletin 74--1, Additional ais,cussion on the histnay or well stanclartis is contained in the 'In Iroduction"section of this supplement (Bulletin 74-90) and Bulletin 74-81. Water Well Swndards, Stale of Califomia. Scope of Standards The following arc.recommended infriimvm Standards for construction,alteration, maintenance.aild desIrucIion of cathodic protection wells in California. They only serve as minimum guidelines toward ensuring cathodic protection wells do not cons[itutt. a signilictnt pathway fray movemt+Ill of poor-c[taaiity water, pollutants, and contaamnanvs. These standards do nG1 ensure a cathodic protection we][wit1 perform iv +:orrosion Protection function adequately. The fil net iona] recluiremerits or cathodic protc c;ion wells rnav conflict with thy' a pp]icaaion a)f certain Millld;Jrds for the protecaiOn t)f waster duality. Conseg Lie"ily, s0mc Wxn prom isc hats been made between well runcdon and restaurce protection in the de%rclopment of these StQnftrds, ' Organization of Standards s These standards are arranged itt a format similar to the Water We[I S tandar(Is. Since many of the Standards Ihat apply t.o watcr wells also apply to cathodic protraction wells, marry rerercrices Watts mule in these standards to the Waatcr Wei Standards. Standards that apply ollly (c)cathodic protection wells or that require emphasis for cathodic protcc lion wells, are discussed in detail in these standards,