The Prosperidad Water District led by Dr. Felomino Villarazo- General Manager together with Engr. Ronald E. Lastimoso conducted a Bench Marking on Public Water System / Water Supplies of Bislig City Water District, Surigao del Sur. This is attended by our workaholic and ever supportive Municipal Vice Mayor Jesusimo Nanoy L. Ronquillo together with the presence of Engr. Francis Ramos – CEO Exotherm Incorporated who specializes in Water Treatment Technology.