1f great portion of 1}1t~ trace 1ne10!."· present in (iri11ki11g water distribution system is due to the p/11mhi11g ntaterial med in manufacturing pipes, valves and .filli11f!,s, causing many health and economic problems as well tis undesiroble cltang» in. the tlrink.in.i.: water esthetic value upon intemcd corrosion Oil the system. The physiochemica! charoaeristics '.VhiC/J WCY(< the CJ'Uda/ parameterfor internal corrosion to take place' in the distribuiion system of,trit1ki11f!, water ore pl-I mu/ olkoli11ity. 711is s/11(A was pe1.fimned on kehele (.~. I I. 14, I 5, 17) and reservoirs cm Bahtr [Jar 10•.i:t1~ in ore/er 10 detecmine the concemration levels oj' trace metals being introduced into water 1}1rou,<.;h corrosion processes, It was revealed that while the concentrauou levels oj' lead, <:admi11111, copper and zinc i11 the reservoirs (the water supplyj 1Jf this town were less than the 11ulxim11111 concentration level of Wl!O excep! cadmium, but the sample« taken from the consumers.' '''I' .~ho1~~i..~111tficc111t increasing concentration tevels of at! thes« metal». TJ1e concentration of such tri(~Lrils 1t'(:tJ determined by FA.4S'